Ben 10 Planet

Kevin Levin

3,389pages on Ben 10 Planet
Kevin Ethan Levin

Kevin X


Os kevin tabber

General Information
Species Osmosian
Home World Earth
Residence New York (formerly)
Bellwood (formerly)
Null Void (formerly)
Age 11 (Original Series)
12 (Omniverse flashbacks)
16 (Alien Force)
17 (Ultimate Alien and Omniverse)
Affiliations Ben's Team (occasionally)
Vilgax (formerly)
Argit (occasionally)
Charmcaster (formerly)
Blowfish (formerly)
Gwen Tennyson (girlfriend)
Occupation(s) Criminal (formerly)
Terrorist (formerly)
Con Artist (formerly)
Alien Tech Dealer (formerly)
Powers and Abilities
Abilities Energy Absorption
Life Absorption
Matter Absorption
DNA Absorption
Power and Ability Absorption
Enhanced Strength
Enhanced Durability
Limited Mnemokinesis
Matter Manipulation
Expert Mechanic and Engineer
Keen Investigative Skills
Advanced Alien Tech Knowledge
Technology Manipulation (formerly)
Equipment Kevin's Car (formerly)
Kevin's New Car
Plumber Badge
Rust Bucket 3
Taydenite Car
Relatives Mrs. Levin (mother)
Harvey Hackett (stepfather)
Zed (pet)
Alias Kev
Kevin 11 (formerly)
Ultimate Kevin (formerly)
Curtis (Verdona)
Muscles (Sunny)
Troglodyte (Darkstar and Ultimate Albedo)
The Prize (Servantis)
Babe (Gwen)
Alternate Counterparts Kevin Levin (future)
Voice Actor Michael Reisz (Kevin 11)
Charlie Schlatter (Original Series)
Greg Cipes (Alien Force, Ultimate Alien, Omniverse and Omniverse flashbacks)
Actor Nathan Keyes (Alien Swarm)
First Appearance Kevin 11

Kevin Ethan Levin is an Osmosian and a member of Ben's Team. When Kevin first appeared in the original series, he quickly became one of Ben's most notable enemies. However, he reformed in Alien Force, and became one of the main characters until his departure, along with Gwen in The More Things Change: Part 1.


In the original series, Kevin is a thin and scrawny boy with shoulder-length black hair, pale skin and dark brown eyes with black-discolored marks around them (a sign that an Osmosian has recently absorbed energy). He wore a torn black t-shirt, black studded arm bands, brown cargo pants, black knee-length shoes, and a padlock necklace which is a spoil from his first crime: stealing a bike and using it to run away to New York. After absorbing an Omnitrix feedback, Kevin was able to transform into exact copies of all of the unlocked aliens, missing an Omnitrix symbol. After the energy overwhelms Kevin, he mutated into Kevin 11, a random mixture of body parts from the 10 said aliens which completely destroyed his clothes, except for his cargo pants.

In Alien Force, Kevin grew into a tall and muscular young man. His eyes now lack the black marks (as his body fully recovered from and stopped absorbing energy). His normal attire is a tight black T-shirt over a grey long sleeve shirt, blue pants, and black combat shoes. His hair, although still long, is styled into a choppy mullet. Occasionally, he is seen wearing a short sleeved light blue oil stained mechanic's jacket over a white muscular shirt, blue pants, and his black combat shoes. After he goes through a second mutation, an unbalanced mixture of various matters, the transformation completely destroys his clothes, except his briefs. As a result, Kevin had to wear an I.D Mask in public to appear human. In his second mutation he looked like a mixture of solid materials such as stone, wood, Taydenite, and metal. During Kevin's time as Ultimate Kevin, his appearance is again an unbalanced mixture of various aliens that were currently accessible to Ben through his Ultimatrix.

In Omniverse, Kevin wears the same black shirt but the sleeves and collar are roughly cut, the sleeves on his long sleeved grey shirt are slightly torn and he wears blue wholesters. His hair is longer and straighter. His pants have a small tear below the left knee. He also wears a padlock necklace similar to the one he wore when he was 11 but marked with an "11". He also sports black discolored marks around his eyes, making him appear tired; these marks bear similarity to when he was 11 and still absorbing energy.

Later in the series, Kevin grows a few chin whiskers and his grey shirt gains stripes. In Weapon XI: Part 2, Kevin gets the same cross-shaped scar to his chin that future Kevin has.


When Kevin was 11, he was a criminally insane sociopath, willing to hurt or kill anyone for his own personal gain and/or pleasure. This behavior and mentality stems not only from being seen and treated as a freak by his peers and family, but also as a side effect of Kevin absorbing energy. His selfishness and sociopathic-nature is made apparent when he was once willing to derail a money train to steal the money and kill countless passengers on another train. Kevin had an extremely negative outlook on life because of his countless hardships and struggles, feeling insecure about himself as well as having an incredibly low self-esteem. He had a deep-rooted hatred for other people and society in general, even the innocent, as he once said "Nobody's innocent! They just haven't had the chance to make fun of me yet!".

Kevin's outlook began to change when he met Kwarrel, a fellow prisoner in the Null Void when Kevin was a prisoner there. Becoming somewhat of a mentor and father-figure to him, Kwarrel helped greatly improve Kevin's personality. In Alien Force, despite Kevin becoming a con artist and an arms broker, he was more stable and somewhat mature, but still had a bit of a jock attitude. As time went on and Kevin was accepted by Ben and Gwen, who were his most hated enemies and now best friend and girlfriend respectively, his personality and psyche improved greatly to the point that he became a trustworthy and reliable ally. His relationship with his friends further contributed to his mental stability as he once told Ben in Perplexahedron that he was grateful to them for changing his life. Verdona stated that Kevin's current personality is similar to a younger Max's.

While changing for the better, Kevin still sometimes shows a delinquent side, as seen in Kevin's Big Score, where he attempts to sell the Rust Bucket to Vulkanus for alien technology, albeit technology he intended to give to Ben, and conspires with Argit to sell weapons to both sides of a warring race in Simple. Despite this side of Kevin, Ben and especially Gwen still greatly trust him.

Though Kevin can still be cynical, insensitive, rude, violent, greedy, and willing to kill; he is a good person at heart and generally doesn't like innocent people getting hurt; most evident in Andreas' Fault, where Kevin expresses his utter disgust of how Argit used Andreas and showed no sorrow or gratitude for Andreas' sacrifice and angrily punches Argit for such action. Kevin also helped rescue Ben's mother when she was kidnapped in Hit 'Em Where They Live. Kevin, though he is rarely open about it, also has a sensitive side, as seen in Con of Rath when Jarett ate the Tiffin. The scene was so shocking to him that he fainted, despite the fact that he is supposed to be the "tough guy" of the group.

While having a more positive outlook on life since meeting Kwarrel and making friends with Ben and Gwen, Kevin still suffers some insecurities as seen when he was mutated a second time. He was visibly disgusted with himself and fluctuated between bouts of uncontrollable aggression and severe depression that almost jeopardized his relationships, especially with Gwen. As Ultimate Kevin, he voiced his frustration against Ben the most for being a famous superhero and him "still" being a freak.

Kevin is extremely protective of his car and becomes very upset whenever it gets damaged, which happens on a fairly regular basis.



Kevin 11 003

Kevin in Ben 10

Kevin Levin is born to an unknown father and Mrs. Levin. Sometime after his father's death, Harvey Hackett came into their lives. Harvey fell in love with Mrs. Levin and married her, becoming Kevin's stepfather; according to Harvey, Kevin was only 4 years old at the time. Kevin wasn't fond of Harvey at all, especially since he saw him as a replacement for his real father as well as an obstacle for Mrs. Levin's love. Harvey tried to be a good father to Kevin, he accepted and raised Kevin as his own, but he feared Kevin because of his Osmosian powers, which only worsened their relationship. When Kevin was 11, Kevin managed to absorb energy and demolished their house, according to Harvey. This, coupled with the mental instability from absorbing the energy and his dislike of Harvey, instilled in him the delusion that Harvey convinced Mrs. Levin to kick him out in the street (Harvey admitted that he ran Kevin out of the 'house' because he destroyed it). He stole a bike, wearing the padlock around his neck, ran away and made his way to New York, where he made his home in an abandoned subway.

Ben 10

Kevin was first encountered by Ben in an arcade, where, after befriending him, he was assaulted by bullies and saved by XLR8. The two attempted to steal a video game from a warehouse and got caught by the police, forcing Ben to reveal the Omnitrix to him in order to escape. The two subsequently formed a partnership to use their respective powers for personal gain; however, when Kevin rigs two trains (one carrying money and one carrying people) to collide, uncaring that the crash would most likely result in the deaths of several hundred people, Ben suffers a crisis of conscience and breaks off their partnership. Ben became Heatblast, wanting Four Arms, to stop Kevin, but to even the odds, Kevin grabbed onto Heatblast and absorbed his DNA, changing him into an incomplete version of Heatblast. When Heatblast foils Kevin's plans and escapes, Kevin leaves to use his powers to get revenge on the bullies that tormented him. However, his powers disappear and he reverts back to his normal form.

When Four Arms showed up to stop Kevin, Kevin absorbed Four Arms' DNA, changing him into an incomplete version of Four Arms. As Four Arms and Kevin fought, Four Arms wins and offers Kevin a new home and a chance to be a good guy. Kevin agrees to reform and go with Ben, but reveals he lied and tries to take the Omnitrix off of Ben. Feedback from it changes Kevin back to normal and appears to have removed the powers he absorbed. He escapes and at the end of the episode it is revealed that he still has Heatblast's powers.

Kevin serves as the main antagonist of the second season. His ability to project heat at the end of Kevin 11 is the result of him absorbing the Omnitrix's feedback: the amount of energy it emitted allowed him to fully absorb its powers, giving him access to every unlocked alien form. However, because Kevin's ability to regulate this power is poorer than that of the Omnitrix itself, the energy suppresses his real form and forces him to remain as an alien most of the time. As revealed in Framed, Kevin blamed Ben for this, so he used the powers of the Omnitrix to start a inter-state crime spree in America, both for his own benefit and to damage Ben's (or rather, his alien forms') reputation. Eventually, Kevin's ability to regulate the power fails altogether, causing him to mutate into what Vilgax describes as a "misshapen, chaotic amalgam of creatures... from the Omnitrix", which Kevin calls Kevin 11. Because of this, Kevin 11 fights Four Arms and as he was about to kill him, Lt. Steel from the Special Alien Capture Team (SACT) shoots him into the water, defeating him; however, at the end of the episode, he is revealed to be alive.

Kevin 11 gloats that he has all of Ben's powers plus his own, making him Kevin 11. The known powers he could use include Four Arms' strength, Ripjaws's underwater breathing and steel-bending jaws, Upgrade's stretching, Stinkfly's flight and slime spit, Diamondhead's crystal projections, shape-shifting arm and immense durability, Heatblast's pyrokinesis, Wildmutt's sense of smell, and XLR8's speed as well as his Osmosian powers. Despite this, Diamondhead observes that Kevin 11's powers weren't as strong as their pure forms, exactly 1/10th according to him. In Grudge Match, Kevin 11 attacked Ben to get revenge, blaming his condition on him. As the two battled, they were abducted and forced to fight in Slix Vigma's gladiator games. During their battles, Ben helped Kevin 11 to realize the advantages of his mutated form: because Kevin 11 was an amalgam of aliens, he could mix and match their powers to make up for their reduced potency ("Diamondhead invulnerability + Four Arms strength + XLR8 speed = 'one mean punch'"). Although forced to work together, Kevin 11's only goal was killing Ben. After Ben and Kevin 11 succeeded in escaping, Kevin 11 attacked Ben and trapped him against the wall with Stinkfly's goo before moving in with Diamondhead's spear hand, gloating that no matter what alien Ben transformed into, he knew every one of them. Little did he know that Ben unlocked Cannonbolt, whom he transformed into just as Kevin 11 was about to murder him before getting into an escape pod. Kevin 11 nearly barged into the pod when he was stopped by Technorg, whom Ben had spared and he declared a life debt to. After Technorg helped Cannonbolt escape, he turned his attention to Kevin (who had called him a lap dog just as he was about to kill Ben). The two were transported to a different galaxy at the end of the episode while locked in combat. Technorg defeated Kevin 11 and left the ship to return to his home world while Kevin 11 took the ship as his own (according to the enhanced edition of the episode).

Kevin 11 returned in Back with a Vengeance, where he teamed up with Vilgax to defeat Ben, and eventually managed to remove the Omnitrix with Vilgax's help. However, he betrayed Vilgax in an attempt to leave both Ben and Vilgax in the Null Void and use the Omnitrix to take over the world, only for Ben to escape and leave him and Vilgax trapped instead. Kevin spent the rest of the series in the Null Void.

A dream version of Kevin appears in Perfect Day as a hall monitor of a dream version of Ben's school. In the dream, Kevin was normal but then changed into Kevin 11 (which, with its Ripjaws' mouth and teeth more pronounced than usual, appeared uglier than it used to be) and fought Ben. When Ben took control of the dream, he was then able to defeat the dream Kevin 11.

Five years prior to Omniverse

Kevin is found by the Rooters, who did experiments with his Osmosian powers on Alan Albright, Helen Wheels, Manny Armstrong and Pierce Wheels, turning them into the Amalgam Kids, making them do nasty things. After that, Kevin fled, only with Servantis controlling his memories, convincing him that he had "alien blood".

Eventually, Kevin and the Amalgam Kids confronted Ben, Gwen, and Max and Kevin fired a blast at Ben. Ben manages to avoid the shot and pins down Kevin using Eye Guy. However, Kevin did this to get Ben to come closer and touches the Omnitrix causing Kevin to mutate again. Kevin, like Ben stated, starts to go insane again and even attacks his allies the Amalgam Kids. Kevin was eventually stopped by Argit who used his quills. Kevin and the Amalgam Kids were sent back to the Null Void but an enraged Servantis wiped out their memories and sent them away. Servantis then abandoned the plan to destroy Ben after Ben stopped wearing the Omnitrix and Kevin escaped from the Null Void at some point.

Two years after breaking away from Servantis Kevin began work on his car, not satisfied with a simple standard model he began outfitting it with Alien Tech, and to this end traveled to Khoros to acquire a Tetramand engine block for it. Since the tech couldn't be given to a outsider he wooed the then teenage Princess Looma Red Wind and successfully defeated her combat earning the right to marry her in three years thereby making him a part of the family and was given the engine as a gift.

Alien Force

Kevin Laser Lance

Kevin demonstrating how to use a Laser Lance in his Alien Force debut.

Kevin returns in Alien Force, where he is eventually released from the Null Void (he stated in Darkstar Rising, he did his time for his crimes) returned to normal, and has grown into a tall and muscular young man who has rejoined society and reconciled with his family. He has also become an alien weapons dealer, giving him several contacts with criminals such as Argit, Vulkanus and Sunder as well as a considerable knowledge in alien tech. He has also learned about his ability to absorb solid matter instead of energy (taught how to do this by Kwarrel).

In Ben 10 Returns: Part 1, Kevin attempted to organize a deal between the Forever Knights and the DNAliens in order to sell them illegal Level 5 weapons. However, the deal is interrupted by Ben, Magister Labrid, and Gwen. Trying to get revenge for the past humiliating defeats, Kevin fought Ben, but is easily defeated while the other villains escaped without paying him. Labrid then forced Kevin to help them in finding back the weapon, offering him to avoid problems with the Plumbers then. Though Kevin mainly accepted in order to get his pay, Magister Labrid later sacrificed himself in order to save him from a defective weapon's explosion. This, plus Kevin's interest for Gwen, his promise to Magister Labrid, and his desire to start a better life and become a Plumber like his father, led him to agree to teaming up with Ben and Gwen against the High Breed invasion.

Though he initially still felt a little rancorous toward Ben, Kevin slowly reconciled with him, and he proved to be a valuable ally as well as a good friend. Despite his reformation, Kevin still tends to engage in unethical activities: he is not above stealing gold and jewelry from the Forever Knights and Plumbers equipment from Manny and Helen when presented with the opportunity.

In Darkstar Rising, Kevin reveals that his father was a Plumber. When he was little, his mother told Kevin stories about what his father did.


Kevin's second mutation

This is a big gap in the original series because in Ben 10, he said that his parents both left him because of his Osmosian powers; this was explained later on in the series as an exaggeration on Kevin's part: Kevin's mother remarried, and in retaliation Kevin destroyed their home by accidentally absorbing energy, which lead to his stepfather causing a huge strain between Kevin and his mother, ultimately making Kevin think they hated him (partly due of the side effect of absorbing energy) and ran away. At the end of the episode, Kevin, along with Gwen and Ben became official Plumbers, after which Kevin leaves to tell his mother about his membership.

In Vengeance Of Vilgax, Kevin was subjected to another feedback pulse from the Omnitrix after Ben tampered with it. Because of this, he was unable to revert back to his normal form, instead becoming a living colossus composed of different matters. But he learned to use his powers in various new ways. Throughout the season, he was shown to hate what he had become, to the extent of breaking things off with Gwen (much to her dismay), wearing an I.D. Mask in public to appear human, and considering himself a monster. He also discovered that his father was murdered by Ragnarok, and became bent on vengeance, so much that he eventually left Ragnarok to his death when he had the chance to save him.

Human Again

Kevin back to normal

In The Final Battle, Vilgax attempted to separate Ben from his friends, Kevin was kidnapped by Albedo in an attempt to split them up. He was also asked by Ben to back him up when taking on Vilgax, which he did. After the Omnitrix was destroyed, he reverted back to normal, revealing that it was the Omnitrix that kept him that way.

Ultimate Alien

Ben 10: Ultimate Alien focuses more on Kevin's past, including how he managed to return to normal, escape the Null Void, as well as his story prior to the original series. Kevin still has the ability to change his hands into different weapons even after he returned to normal in Alien Force.

Kevin and Ben no longer share their famous rivalry and instead have become true friends. Kevin acts as an older brother towards Ben. They care genuinely for each other. Kevin is much more open about his feelings, showing gratitude and tries to express it to both Ben and Gwen (mostly Gwen). Gwen and Kevin continue their romantic relationship. He also seemed to have a better connection towards Max.

In Too Hot to Handle, Kevin is shown to be able to repair objects in the current matter he has absorbed by releasing a liquid version of that substance and then hardening it again. He can also manipulate whatever matter he is touching by absorbing it and then morphing it into any shape or form he wants. He uses both the abilities when he fixed the broken seal of P'andor's suit, morphed it around his body to trap him, and fused the arms together as makeshift handcuffs.

In Fused, Kevin admits he was selfish and a coward when he first met Ben. He also risked his life to save Ben from being taken over by Ra'ad. It comes to Kevin's notice that there is another Osmosian named Aggregor. While never explained, he shows sympathy to Aggregor because they are, somewhat of the same race and because Kevin, like Aggregor, was once an insane and violent sociopath.

In Ultimate Aggregor, Kevin shows his knack for detective work, and later warned by Paradox to remember who his friends are and that things will get worse before they get better. Kevin explains to Aggregor that the reason that he was a villain in the original series is that when Osmosians absorb energy, they become insane. Despite being true, Aggregor disagrees.

In Map of Infinity, Kevin continues to focus on stopping Ultimate Aggregor, but is easily defeated by Ultimate Aggregor, he also seemed to know about the Map of Infinity saying it was just a legend. The group go in search of the first part, Kevin wears a Plumbers' Suit, unlike any other Plumbers' Suits, that Kevin had a little white glove and a circle over the glove (which gives Ben access to the Ultimatrix), probably this glove is for Kevin to use his powers. Kevin proved to be very strong when a giant hammer crushes the group on a wall, he survived and managed to save the group and remove the hammer from the wall.

In Deep, we see Kevin using a Plumbers' Suit with built-in electrical weapons. His helmet is destroyed, but Gwen uses her powers to make Kevin absorb the matter of the Rust Bucket 3, saving him from being crushed by the pressure. However, Kevin still can not breathe, until Blowfish acts as a helmet for him to breathe, in the core Kevin takes the Blowfish from his head (he did not need him since there was breathable air in the core), Kevin also finds and tries to fight Ultimate Aggregor, unfortunately he is easily defeated by Ultimate Aggregor's electric attack, vulnerable because of the matter he absorbed was conductive, Ultimate Aggregor advised that next time, Kevin should try absorbing something non-conductive, and escapes. Kevin leaves the Blowfish in Piscciss and is comforted by Gwen at the end, as he seemed to miss Blowfish.

In Perplexahedron, when Ben and Kevin get separated from Gwen, Ben says that Gwen can take care of herself and Kevin replies, "That's why I like her." Kevin then talks about his feelings to Ben and how he owes it to Ben and Gwen changing his life. After finding Gwen, Kevin tries to say that he likes her. Then Swampfire tells her what Kevin's trying to say, and Gwen says, "I know that already." and they kiss.

Ultimate Kevin

Kevin's third mutation also known as "Ultimate Kevin"

In The Forge of Creation, as a last resort to stop Ultimate Aggregor from succeeding, Kevin absorbs the powers and abilities from the Ultimatrix's unlocked aliens, becoming Ultimate Kevin, powerful enough to defeat Ultimate Aggregor. Unfortunately, this also causes him to become insane once again. His old desire for power also returns as he absorbs Ultimate Aggregor's powers as well. However, Kevin's good heart appears to not be taken over completely, as he accepted 10-year-old Ben's harsh criticism before sparing Aggregor's life, though he declares he will not be so merciful tomorrow.

In ...Nor Iron Bars a Cage, it is revealed that back during Kevin 11's time in the Null Void, a prisoner named Kwarrel approached him and offered to help him control his anger, revert to normal and find a purpose, after that he learned how to absorb matter. Kwarrel then showed Kevin a tunnel he had been digging out of the Null Void. However, they were ambushed by Morgg, who would one day become the warden. Kwarrel held off Morgg for Kevin to escape, only to lose his life in the process. Out to avenge his death, even though it went against all that Kwarrel had taught him, Ultimate Kevin purposely returned to the Null Void to kill Morgg. He would have succeeded if Gwen hadn't saved Morgg. Believing that Kevin is truly gone, Ben, much to Gwen's horror, suggests that Ultimate Kevin must be put down.


Young Kevin after he turned back to normal

In The Enemy of My Enemy, Ultimate Kevin went after Argit for all the times he double-crossed him. He first attacked him and sent him towards Ben and Gwen. He later attacked Rust Bucket 3 in order to get Argit, but was forced to retreat due to his car being thrown off the plane. He then attacked the Plumber's Academy and easily took care of the rookie Plumbers. He then attacked and thought he killed Argit (due to Argit closing down his pulse). During his attempt to kill Argit, he nearly killed Gwen, thinking she betrayed him. However, he restrains himself and spares her life, saying: "The only reason you're alive is because of what you used to mean to me." before departing, making is clear that a part of Ultimate Kevin still cares about her and Gwen remaining adamant that they can still bring Ultimate Kevin back to sanity without killing him.

In Absolute Power, in hopes of trying to save Kevin, Gwen inquires the aid of Darkstar. However, Ben is very furious with the idea. This is Gwen's last hope of trying to bring Kevin back. Gwen tries to talk to Ultimate Kevin, who tells her he's been avoiding her because he can't control himself, implying that he doesn't want to hurt her; but he gains the desire to absorb Gwen's powers.

After Ultimate Echo Echo defeated Ultimate Kevin, Cooper finished the machine that would siphon all of the energies that Kevin had absorbed and subsequently cure him with it. Darkstar then betrays the team by using the piece of the Dominus Librium to transfer all said energies into himself, which backfires when Ben; anticipating such a move, activates a switch to return all of the energy back to where they belong, Kevin then knocks him out with a sucker punch. Kevin thanks Cooper. He is then given a passionate kiss on the lips by Gwen (much to the disappointment of Cooper) and gets into an argument with Ben about their previous fight, to which he is relieved that everything turned out alright, after which Gwen asks for their help in explaining to her parents about the damage done to their home, to which Kevin and Ben ditch by voting to go to Mr. Smoothies instead, with Kevin buying.

In Eye of the Beholder, Kevin was eating a Fleen Cake that was considered the most delicious desert in the galaxy. After Ben caught up with him and the girls on Monok, Kevin wasn't impressed with Ben blowing Julie off like a jerk and explained to him that if he never acted like a jerk she wouldn't have dumped him. After Julie returned the Sentinel's missing eye, he rephrases Ben's question with the word "in" instead of "on" and has Ben talk to Julie and the two became a couple again.


Kevin 14

Kevin on Khoros

Sometime after the events of Ultimate Alien, Kevin and Gwen left Bellwood, as Gwen went off to college, and Kevin found a home and a job near campus so he could be close with her but not without chasing and taking down Zombozo together as a team one last time. He also tells Ben that he has a new con running and asks Ben to hide him from Princess Looma and reveals that he fought, and defeated, her when he was 14 and traveling with Argit to get a engine for his car and ended up having to marry her in 3 years. This not only caused Gwen to become angered at keeping this secret (and giving Looma a decent thrashing), but Kevin kept quiet about the man who next defeated Looma would have to marry her; the end result was Ben getting engaged to her. Satisfied that one more thing from his past won't be haunting him anymore, Kevin left with Gwen in his car, much to Ben's irritation, muttering "Kevin is so dead".  

In Showdown: Part 2, he was later recruited, along with Gwen to find Ben, who had vanished after destroying Pakmar's business again. He ended up on Galvan Prime MK II, where he prepared to help Ben fight Malware. However, he ended up having to fight off Khyber's former dog. During this scuffle, Kevin managed to tame it and learn its gender was female. Having taken a liking to Kevin over Khyber, the dog decided to stay with him instead. Kevin resumed his life as normal, but with a new pet to add to his responsibilities.


Kevin, Blukic, Gwen, Rook, and Bullfrag escaping from the Incurseans

Kevin made another appearance in The Frogs of War: Part 2, along with Gwen, Rook, and Argit, being a part of the resistance force that was still going against the invading Incursean army. With the help of Ben, who managed to return in his new Incursean form Bullfrag, the team manages to rescue Max along with Driba and Magister Patelliday and free Earth from the Incurseans.

Kevin makes a cameo in Mud Is Thicker Than Water, in which Gwen tells him and Rook to enjoy the auto show, and they drive off.

Kevin argit young

Argit and Kevin first meet

Kevin has a main appearance in the following episode, OTTO Motives. The first is a flashback showing him and Argit attempting to move and bring objects together in the Null Void, and they both complained of its difficulty. Otto appears before them, saying that he would use the objects to help them escape the Null Void. They create a device, and turn it on. Otto, however, escapes without them, leaving them dismayed and betrayed.

The second is the current times, in which Kevin and Rook arrive at Khoros to attend the auto show. As they walk around, they soon cross paths with Argit. While they think he is up to no good, the three team up once they find Otto, saying that they waited 5 years to get their revenge. They head towards him, but they are thwarted by Otto's Violet Offenders. Afterwards, after a long struggle, and a call to Ben, they defeat Otto after a fight between Upgrade and Otto, who became merged with a series of cars to become a giant robot.

Kevin, Gwen, and Zed are seen in the Rust Bucket 3 to save Ben and Rook in For a Few Brains More where they help defeat Khyber and Albedo.

Kevin makes an appearance in Mystery, Incorporeal, in which he arrives with Zed to Friedkin University. He eventually helps Ben to fight a Stone Creature, and to investigate who was behind the attacks of the creatures. Once the team finds that it was Darkstar's doings, Ben, Rook, Kevin, and Zed fight many obstacles, including a fully-powered Morningstar. The team eventually stops him with the help of Ben as Ghostfreak.

TRoAE (52)

Kevin head butts Servantis causing him to regain his memories

In The Rooters of All Evil, Kevin was seen at the garage where he was eventually visited by Ben who says a group called the Rooters are after him. Kevin is uncertain on who they are but believes he should call Gwen. The Rooters eventually show up and Kevin bumped heads with the leader Servantis and remembered who he was. Kevin then escapes in his new car with Ben and decides to tell Ben what happened between him and the Rooters. Years ago, Kevin was trapped in the Null Void and said that the Rooters eventually found him. He said they then used his Osmosian powers to fuse alien DNA with humans transforming them into hybrids. This was done with the Amalgam Kids and Kevin continues saying he escaped from the Rooters and the Null Void. Kevin, with the flashback ending, says that Servantis messed with his memories and that he is a "bad guy" who is part of the Rooters. The Rooters themselves suddenly attack his car and Kevin absorbs metal while Ben transforms into AmpFibian. However, he and Ben are quickly defeated by the Rooters and are taken back to Plumber HQ. It is revealed that Osmosians aren't really aliens but are just humans with alien abilities. It is also revealed that Osmosians have different abilities and Kevin's ability is to absorb matter. Servantis is also the one that named the Osmosians and Kevin says that Servantis needs him to make a hybrid army.

Argit kevin electric

Kevin, giving back Argit's memories

Shockingly, it is then revealed that Devin Levin isn't real and was just a false memory that Servantis implanted into Max so that he will keep watch over Kevin. The Rooters being to fight against Ben and the others but Kevin manages to escape thanks to the distraction and everyone believes he won't be seen again. However, at the end of the episode, Kevin meets up with Argit in Undertown and zaps Argit with the red energy restoring his memories.

In Weapon XI: Part 1, Kevin went to Alan Albright's farm to get the young plumber to go with him. However, Swift of the Rooters soon appears and Alan doesn't trust Kevin after he almost killed him in the past. Kevin absorbs some wood in order to battle with Swift but is nearly burned by Alan due to the latter still not trusting him. However, Kevin finally gained Alan's trust again after blocking a near fatal blast from Swift. Eventually, Swift was forced to retreat back to the Null Void after getting hit by Argit's quills and Kevin shocks Alan's head restoring old memories. It was then revealed that Alan knew Kevin since they were younger and formed the original Rooters together. Kevin, at some point, left a coded letter to Gwen saying he has got Alan and that she must get Manny and Helen but not tell Ben about it. Later, Kevin is with Alan and Argit and Alan wants to help Kevin out. However, Kevin shocks Alan again triggering another flashback that shows Alan receiving his Pyronite powers. Kevin says he will go in alone into the Null Void to confront Servantis and asks Alan to take care of Zed. Kevin heads inside and eventually reaches the Rooters' base and Servantis allows Kevin to enter. Servantis is hoping to take out the "coming storm" but Kevin lashes out saying to stop calling Ben that and Ben is his friend. Suddenly, Ben, Gwen, and the Amalgam Kids arrive much to the anger of Kevin. Servantis then puts his plan into action by shocking the Amalgam Kids and turning them against Ben. Servantis then creates a forcefield around himself and Kevin and seemingly convinces Kevin to turn on Ben. Kevin thrashes Ben around (who was Kickin Hawk) who the latter was forced to retreat. At the end, Kevin rejoins the Rooters and decides to carry out his plan to destroy Ben.

In Weapon XI: Part 2, Kevin is seen with the Rooters where he is searching for Ben. Kevin is determined to kill Ben in honor of Pierce's name. During a flashback told by Argit, it was revealed that Kevin and the Amalgam Kids attacked Ben's group when they were younger. Kevin used a blaster at Ben but Ben dodged and transformed into Eye Guy pinning Kevin down. However, Kevin touched the Omnitrix symbol and mutates again. Kevin starts to go insane attacking even his own allies. Kevin was brought down by Argit's quills and he and the Amalgam Kids were taken back to the Null Void. Servantis was greatly upset at the failure and sent Kevin and the Amalgam Kids away erasing their memories of that event. Back in present time, Ben's group eventually reached the Rooters' base and Kevin prepares himself to fight Ben. Kevin was eventually confronted by Ben as Gutrot but quickly touched the Omnitrix and mutated again. Ben then transformed into Swampfire but Kevin easily contained him. Eventually, Ben was caught by Helen and Kevin took him to Servantis. When Ben woke it, it turns out that Servantis created a device that will destroy Ben and the Omnitrix at the same time. However, before Kevin could toss Ben inside, Kevin dropped Ben and picked up Servantis instead. Kevin then headbutted Servantis and then shocked the rest of the Amalgam Kids turning them back to normal. Kevin did that to stop Servantis from alternating the other's memories and turns back to normal explaining it all to Ben. Kevin tells Servantis that Ben is like a brother to him and that he will never turn on him again. Later, the Rooters are soon stripped of their Plumber status by the Magistrata and Kevin leaves the Null Void with everyone else.

In Charm School, Kevin was seen at Friedkin University working on his car. Gwen attempted to get him to come to see why Charmcaster was also at the University but Kevin said Charmcaster was her problem. However, Kevin decided to go after hearing Ben was coming as his car may get destroyed again. Eventually, Ben and Rook arrive and Kevin decides to use Rook's expertise in alien tech to help build the ultimate car that can survive anything. Kevin takes Rook into a room with numerous of advanced alien tech revealing he used his powers to harvest Taydenite in order to keep getting money (saying he doesn't have to work ever again). Eventually, Kevin and Rook construct the perfect car capable of withstanding everything. However, when a magic spell from Gwen and Charmcaster's fight hits the car, it completely disappears much to Kevin's horror. However, Kevin gets over it and helps out Gwen and Ben fight off Charmcaster and her Stone Bats. Eventually, Charmcaster was defeated and Kevin decides to go to the auto show with Rook.

In Third Time's a Charm, Kevin and Zed have taken residence in Lucky Girl's headquarters, still feeling sad about his car. Gwen said she has searched all over the universe for his car, but Kevin begs her to search once more. They landed themselves inside his car in Ledgerdomain, but Kevin gets teleported out with his car leaving Gwen stranded. Kevin calls Ben and Rook for help as he assures that Charmcaster is the one behind the situation. The three boys meet Bezel, the most powerful sorceress of all. In the library, Charmcaster appears as she shows them that she has turned Gwen into a totem, much to Kevin's shock. The boys got teleported out and Charmcaster makes a magic barrier which prevents them from entering the library. With the help of Bezel, they were able to access the library to fight Charmcaster and her rock monsters. Zed takes the totems of Gwen, Darkstar, Hex, Adwaita, and Bezel as Charmcaster turns into a dragon using a spell. Ben and Rook then covers Kevin as he runs to his car, but the attacks from his car would not work since he does not know magic. Ben managed to trick Charmcaster by having Skurd absorb Bezel's totem, telling Charmcaster to look inside her back. Charmcaster touched the drawing which Gwen made using Charmcaster's magic from her lipstick, turning her into a totem and trapped inside her bag. Kevin is seen back in Lucky Girl's headquarters, being relieved that Gwen is safe and that she and Charmcaster can be friends under different circumstances.

At the end of the final episode, A New Dawn, after watching the universe created, Ben called Gwen to get Kevin and proposes that Ben, Gwen, Rook, and Kevin all go on a road trip to explore the universe they watched being created together.

Powers and Abilities

Originally, Kevin's powers were believed to be of an unexplained mutation, then alien heritage but later explained to be of a unique genetic component.

Kevin has the ability to absorb the energy and matter of anything (excluding certain materials as seen in Greetings from Techadon) through his body at will and utilize it in various ways.

Energy Absorption

After absorbing energy, Kevin can channel energy through his hands to manipulate technology, discharge it as an energy blast or use it to speed up cellular regeneration to increase his strength or recover from injuries at an accelerated rate. However, the energy will dissipate over time or through excessive use, so he is required to recharge.

However, if Kevin absorbs energy, the energy will cause Kevin to become mentally unstable. Storing energy for long periods of time will worsen his instability. This mainly occurs in Osmosians who absorb energy very often but cannot control it due to inexperience and lack of skill. Energy absorption can sometimes easily turn into an addiction.

When Kevin has recently absorbed energy, he develops black marks around his eyes. This is a side effect of absorbing energy.

Power Absorption

Similar to his ability to absorb energy, by absorbing the DNA, metabolism, and life force of other life forms, Kevin can use it as nourishment to sustain his health and strength. Absorbing all of someone's energy will kill them. Kevin can use the energy to acquire the creature's powers and undergoes mutation to accommodate the absorbed abilities.

Despite complete access to any of these absorbed abilities at anytime, they aren't as strong as their pure forms, as noticed by Diamondhead who estimated that they are only about 1/10 their full power, as seen when he was able to catch and crush Kevin 11's crystals with his bare hands while the others shattered upon hitting him. This was proven correct by Aggregor. This is the reason why Aggregor first turned P'andor, Andreas, Bivalvan, Ra'ad and Galapagus into pure energy before he could absorb their powers and abilities so he could attain their full powers and abilities. He also stated that when Osmosians absorb the life force of other beings, the new powers can only be used temporarily unless they were to drain all of that life form's energy.

This ability can also be used to combine the DNA of two beings, which is what Servantis used Kevin for. As seen in The Rooters of All Evil, Kevin was able to absorb some of Servantis' energy that brought out some past memories. Kevin was able to carry the energy around on his hand and used it on Argit and Alan Albright to bring up their past involvement with the Rooters. Kevin then used this energy to his advantage as he was able to permanently lock out Servantis from the Amalgam Kids' minds.

Matter Absorption

Kevin absorbs matter

Kevin absorbing steel

Kevin can absorb solid materials, coating himself in the substance which allows him to take on its properties. He will proportionally increase in physical strength and durability to whatever he absorbed.

In Plumbers' Helpers, Kevin was able to absorb multiple materials at once. In the same episode, he also displayed the ability to apply to other people a coating of whatever material he has absorbed at the time, temporarily.

  • Steel
  • Taydenite
  • Wood
  • Wooden Plank
  • Stone
  • Stone
  • Brass
  • Metal
  • Metal
  • Metal
  • Stone Creature
  • To'kustar Armor
  • Metal
  • Stone
  • Sotoraggian Armor
  • Rubber

Depending on the amount of the absorbed material Kevin has available, and how he distributes it, Kevin can either coat his body, or part of it, in the material as a second skin like armor, as revealed in All That Glitters, or completely convert his body, or part of it, into a living version of the material. The amount that Kevin requires depends on the density of the material.

This ability has once been used productively when Kevin was forced to synthesize a coating of Taydenite, thus incapacitating him.

Matter Manipulation

In Alien Force, following his second mutation which causes him to lose the ability to revert to his human form, he gradually begins learning how to use his absorbed matter in various new manners. He is able to use high levels of strength and durability as well as regenerative and shape-shifting abilities. After returning back to normal, he retained his newfound powers due to him now having knowledge of being able to doing so.

Kevin Taydenite Absorbtion

Kevin's normal Taydenite form

In Too Hot to Handle, Kevin's abilities have shown to have developed more, allowing him to repair objects of the current material he has absorbed either by turning it into a liquid form or releasing a liquid version of whatever material he has absorbed. He can partially merge with the actual matter and manipulate the substance's form. Both abilities were used when he repaired the rock ceiling of a mine, fused the seal of P'andor's suit, morphed it around P'andor, and fused the arms together as makeshift handcuffs. In The Creature from Beyond, he used the metal he absorbed to create a helmet for Gwen to prevent the Lucubra from controlling her.

Kevin can easily pick locks, using his powers to absorb the material of the lock, then form his finger into a key.

Kevin can also absorb liquids, and when he does he gains the properties of that liquid. If Kevin absorbs mud, objects will pass through him without causing physical damage. He can even absorb bubblegum.[1][2]

Other Skills and Abilities

Even without his absorption powers, Kevin is shown to be stronger than an average human. As Ben noticed in Trade-Off, even the powerless Kevin was still a fairly proficient fighter and a useful asset to the team. While not to the same extent as aliens like Tetramands, Kevin is capable of lifting/throwing the combined weight of several people with little strain. He is also capable of resisting impacts and blunt force trauma that would severely injure an ordinary person with moderate discomfort.

Kevin has some noticeable skill in martial arts which he gained during his years as a runaway, a prisoner in Incarcecon, an alien tech dealer, and a member of the Plumbers. With this combat skills, he has proven on several occasions to be a highly formidable fighter, having held his own against and defeated opponents such as the Megacruiser robots, Technorg, and even Vilgax in a one-on-one fight.

Kevin working on his car

Kevin working on his car

Despite lacking a proper normal education, Kevin possesses a vast scientific and technological knowledge of alien paraphernalia. In Deep, Ben and Kevin argue that they both cannot use their powers while being in their Plumber suits. So Kevin made some alterations to the suits, equipping them with propelling units and shock pulses that allow them to attack with electric shocks. Kevin also has great analytical and deductive skills, having been able to determine and find out specifically what happened in a battle between Aggregor and the Plumbers several hours after the battle, greatly impressing his friends and even gaining a compliment from Max that he either could be an expert police officer or a wanted criminal. Kevin has good motor skills, being able to race and chase in his car and the Rust Bucket 3.

He is also great at mechanics and engineering. He is shown to repair his car for the numerous damage it took during the course of the series. He also modified his car, setting alien tech for beneficial gears. On top of that he built the DX Mark 10, a car that he reluctantly gave to Ben as his sixteenth birthday present. Kevin is also shown to be very good with animals, even without trying. In Deep, a Blowfish became strongly attached to Kevin. Later, Khyber's dog, despite being well-trained and loyal to Khyber, ultimately chose to join Kevin, even saving Kevin from being crushed.


Ben 10

Ben 10 Alien Force

Ben 10 Ultimate Alien

Ben 10: Omniverse



Video Games


Video Games

Ben 10: Protector of Earth (villain)

Kevin appeared in every version of the game as the villain at the end of the Lumber Mill level and the second mini-boss in the secret challenge of the Null Void level.

Ben 10: Alien Force (playable character and boss)

Kevin appeared in every version of the game, like the previous game. Unlike the previous game, Kevin is playable only on the Wii, PSP and PS2 version of the game. He is playable for levels 2 (The Forest Medieval) and 8 (A Change in Weather), and in level 5 (Plumber Trouble) he was taken over by a Xenocyte and became the boss for that level.

Ben 10 Alien Force: Vilgax Attacks

Kevin appeared in every version of the game. He is not a playable character in any of the versions.

Ben 10 Alien Force: The Rise of Hex (villain)

Kevin PTE

Kevin in Punch Time Explosion

Kevin appeared as the first boss when he is taken over by the Techadon gauntlet.

Ben 10 Ultimate Alien: Cosmic Destruction

Kevin is seen in most of the clips in between levels, but is not a playable character.

Punch Time Explosion (villain)

Kevin is again transformed into Ultimate Kevin and used by Vilgax to defeat Ben, Chowder, Mung and Buttercup in Primus, But Ben defeated him and he returned to his normal form.

Punch Time Explosion XL (boss and playable character)

Kevin is a playable character in his normal form.

Ben 10: Galactic Racing (Playable Character)

Kevin is a starter racer in Galactic Racing. His offensive move is Rocket Roll, where he fires a volley of missiles from his kart, his defensive move is Driving Force Field, where he absorbs metal to create a force field around the kart, and his ultimate omni move is Turbo Blast, where he uses a machine to boost the speed of the kart, while at the same time using his powers to create a force field around himself and the kart.


Ben 10

  • 4 inch Alien Collection normal Kevin 11
  • 10 cm DNAlien mutant Kevin 11
  • Sumo Slammers mutant Kevin 11

Ben 10: Alien Force

  • 4 inch Alien Collection normal Kevin 11
  • 10 cm DNAlien normal Kevin 11
  • Kevin's battle cruiser (car) - includes metal Kevin 11

Ben 10: Ultimate Alien

  • 4 inch Alien Collection normal Kevin 11 (unreleased)
  • 4 inch alien collection Ultimate Kevin (May)
  • Rustbucket 3 Piece 1 Vehicle


  • According to Derrick J. Wyatt:
    • Kevin wears wholesters because his voice actor wears them too.[3]
    • In Omniverse, Kevin lives in the same area as Gwen's college rather than Bellwood.[4]
    • The creators of the original series originally intended for Kevin to be a mutant.[5]
    • Kevin is keeping the Taydenite car, but will rebuild his old car and will just use the Taydenite for when he needs some money. This was shown true in Charm School.[6][7]
  • A running gag is Kevin becoming distraught every time his car gets damaged or destroyed during combat or miscellaneous events. The Rust Bucket 3 has also become a part of this running gag.
  • In The Widening Gyre, it is indirectly stated by Kevin, that he watched "Captain Planet" and "The X-Files" when he was younger.


See Also

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