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Gwen Tennyson/Love Interests

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Kevin Levin

When they first met Kevin was a renegade eleven-year old, who knew Gwen as Ben's smart-mouthed cousin. In Kevin 11, Gwen says she does not like Kevin and that he is just trouble, and Gwen and Kevin do not show any interest for each other. He later had an vengeance against Ben and almost burnt Gwen in the episode Framed. In Back with a Vengeance, Kevin holds Gwen hostage so that Ben would give up the Omnitrix. Gwen tries shooting Kevin, but he grabs Gwen's hand, making it blast her hand instead.

Five years prior to Omniverse, (a year after the original series and four years prior to Alien Force) 11 year old Gwen, along with 11 year old Ben and a 61 year old Grandpa Max, had a few encounters with Kevin. Meanwhile during those encounters, Gwen began to develop feelings for Kevin during the times that they have met.

In one of the Omniverse flashbacks presented in Mud Is Thicker Than Water, Cousin Lucy is asking Gwen about what Kevin is like. Gwen tells her that Kevin is a guy who thinks that he is cool because he is a bad guy. Lucy laughs and then teases about Gwen liking Kevin but Gwen rejects the theory.

In an Omniverse flashback presented in Weapon XI: Part 2Gwen encounters Kevin (who was with the Amalgam Kids at the time) when she accompanies Ben and Max in the Rust Bucket. After Ben exists from the Rust Bucket due to wanting to fight Kevin, Kevin uses a blaster in order to shoot at Ben, who manages to avoid the blasted through running over to a tree stomp and hiding behind it, and Max saves Gwen from Pierce's attacks when they exit from the Rust Bucket as well. Helen takes the ray gun from Max but Gwen trips her up with a spell. Ben transforms into Eye Guy and manages to knock and pin Kevin down to the ground, but Kevin once again touches the Omnitrix symbol and undergoes another mutation. Kevin went insane and started to blast at Ben, Gwen, Max, and even Amalgam Kids, (who all manage to dodge the blasts, except for Alan who is knocked away). Ben then transforms into XLR8 and starts to speed around Kevin but Kevin punches the ground uses the abilities of Wildvine to trap XLR8 after he stops speeding and everyone else (particularly Max, Gwen, and the Amalgams) in his vines. Kevin says that everyone else is the problem and that he's the solution. Keven then laughs maniacally as everyone else struggles to escape from the vines and prepares to take down everyone by eating a rock (mostly attempting to use Upchuck's ability) after wondering if he can get them all with one blast. Gwen, after struggling with the vines and freeing one of her hands, blasts at Kevin with mana and tells him to snap out of it, but the attacks do nothing and Kevin calls her lame. Suddenly, Kevin is taken down by Argit who shoots his quills at Kevin's head, knocking Kevin out and he transforms back to normal. After everyone is freed from the vines, Gwen walks other to and looks over Kevin. Gwen then pulls the quills off of his head and asks Kevin if he was okay. Kevin greets her weakly and smoke fills the area and Kevin, Argit, and the Amalgam Kids return back into the Null Void.

In From Hedorium to Eternity, Ben and Gwen both encounter Kevin again underground and she and Ben (along with their cousin Lucy and friends Cooper and Jonesyjoin forces with Kevin to stop Zs'Skayr and his Ectonurite minions from taking over the Earth.  Kevin teases Cooper about being Gwen's boyfriend but both of them stated they were just friends. Kevin teases and thinks he is a better guy, leaving Gwen raged and walks away. Gwen is surprised that Kevin has been helping Zs'Skayr and other Ectonurites are inside the bodies and controlling the grown ups. Ben transforms into Upgrade and fights Zs'Skayr as Gwen blocks the grown ups from attacking them. Cooper asks if she has a spell that could separate the Ectonurites from the humans. Gwen begins working on the spell as Cooper, Lucy, Jonesy and Kevin help to keep them occupied. Cooper heads off to break the connection from the portal and Jonesy destroys the Hedorium collider. Lucy and Kevin could not continue holding them off, but Gwen saves them by casting her spell and separates the Ectonurites from the grown ups. Upgrade merges with the Surveillance Spider he found and blasts at Zs'Skayr. Cooper managed to succeed in severing the connection, sending the Ectonurites back to their homeworld. Zs'Skayr yells that he would have his revenge on Ben as he gets sucked into the portal. Everyone was saved when suddenly the Null Void portal starts to pull Kevin. Ben, Gwen, Lucy, Jonesy and Cooper helps to pull Kevin in order to prevent him from being pulled into the Null Void portal, but they failed to do so and Kevin gets pulled back into the Null Void, much to Gwen's sadness. Gwen is then cheered up after Ben points out that they saved Grandpa Max, Mr Baumann as well as the Earth, which is quite an accomplishment for them. Outside Ben's house, Ben boasts about destroying the evil plot by Zs'Skayr, Gwen says he was good. They suddenly notice Kevin climbing out of the hole, Ben thought he was in the Null Void. Kevin says Gwen's love was the one who brought him back. Gwen blushes and held his hand, but Kevin is revealed to be Lucy in disguise as she transforms back into normal. Lucy teases Gwen about liking Kevin and Ben thinks Gwen is an Ectonurite. Gwen becomes angry and Ben chasing after Lucy on the road. Ben and Gwen had never saw Kevin again until four years later when they have developed into teenagers.

In Ben 10: Alien Force, there was instant chemistry. Gwen's previous pity and admiration of Kevin turned to infatuation then love. In the first two seasons they start falling for each other. The problems they have or issues did get in the way because both of them cared about each other. In What Are Little Girls Made Of?, Kevin did not want Gwen to go to Anodyne to learn how to fully master all of her Anodite and magical powers and abilities, leaving him and Ben behind.

The two also work well on the battlefield. Whenever Gwen was knocked down in a fight, Kevin would automatically be by her side helping her up. Both of them would also put their life at risk in order to protect the other. Arguments between Kevin and Gwen are quite unique—shouts are rare; instead they talk sternly but quietly in each other's faces.

In Darkstar Rising, Gwen tries to comfort Kevin for his father's absence and his stripped privilege. The two almost kissed until a Highbreed barged in.

Their relationship grows in the second season. They danced together in Save the Last Dance. When Kevin gets mutated after he and Ben try to hack the Omnitrix, he tries to break off things between himself and Gwen during his bouts of self-consciousness. He also gave Gwen a "keep me in your memory" locket, telling her to remember his old self before the accident in Fool's Gold. His appearance didn't bother Gwen but it proves just how much he cares about it. As seen in the episode In Charm's Way, Kevin still strives hard, though he vents his frustration in the wrong way (in Darkstar Rising), thus falling for Charmcaster, which made conflict. In the end, Ben informs Kevin that Gwen has been working day and night, and going through every spellbook to find a cure for him, leaving him to regret getting mad at her. However, he tries to make it up to her by saving her from Darkstar in Trade-Off, leaving him from human form into his mutation. Gwen though still cares for him just as much such as in Time Heals and Vendetta, where she would go to desperate measures to make things up. In The Final Battle: Part 2, after Kevin returns to normal, they share an on-screen kiss.

In Ben 10: Ultimate Alien, they do not show much interaction for the first few episodes, and had a lot of arguments, such as in "Video Games". However, things got settled and changed in the episode Too Hot to Handle, after Gwen gets hit by P'andor's blast, he quickly held her and helped her get up, before telling her not to ever do that to him like that again. Later on the episode, he made Gwen leave the power plant because he's worried about her. In Fused, after Gwen casts the spell, she nearly fainted and landed on Kevin's lap, with some obvious eye-contact. In the episode Hero Time, it is shown that Gwen does not approve on Kevin falling for other girls instead of her. When Jennifer tries to ask Kevin out, Gwen taps her and says I will peel you like a grape! In the episode Ultimate Aggregor, Kevin kissed Gwen on the cheek after she took him to one side to talk to him, when Kevin reveals the insanity of Osmosians when they absorb energy. Gwen then discovers that absorbing too much energy was the reason for Kevin's berserk and criminal behavior when he was eleven.

In Map of Infinity, Gwen is defeated by Aggregor and Kevin helps her, but soon Kevin is defeated too. When the two get up, they embrace. When Ben, Gwen and Kevin learn what Aggregor is going to do, they begin the search for the Map of Infinity. When looking for the first piece, Gwen collapses due to a poison dart while Ben and Kevin are holding up a gate. Aggregor manages to take the first fragment of the map while Kevin saves Gwen. In Perplexahedron, Kevin says he wants to take care of her in front of Ben and admits he likes her. After Ben had freed Gwen, she and Kevin kiss prompting Ben to say in disgust, "Why don't you guys get a room?! This place is full of 'em!" In "The Forge of Creation" and "Nor Iron Bars A Cage", it is shown that Gwen still has not given up on Kevin, despite his current situation.

In The Enemy of My Enemy, Gwen is determined to reach Kevin. She stops him from killing Ben, and yells at him for brutally injuring Argit, telling him that it is enough, horrified that he would do such a thing. Kevin attacks her and is about to kill her, about to blast her, but he sees the tears falling down Gwen's cheeks. Kevin stops himself at the last second. He tells Gwen that the only reason she is alive is because of what she used to mean to him. He than phases through the ceiling into space, leaving Gwen with tears in her eyes, showing that he still cares for her.

In the two-part first season finale Absolute Power, Gwen is more determined than ever to restore Kevin to his normal self, attempting to talk him out of his rage and insanity several times to no avail. She even risks a fraction of her magical abilities when Kevin tries to prevent himself from his hunger of absorbing energy, but his need for energy overwhelmed him in the end. Kevin is restored to his normal self with the help of Cooper, who is given a kiss on the cheek from Gwen as thanks, only for Kevin to sarcastically reply in return "since you're kissing people..." while pointing at his face. Gwen walks over to Kevin, and they kiss while hugging.

In The Transmogrification of Eunice, Gwen is mad when Kevin has a minor suggestive crush on Eunice. In Girl Trouble, Gwen gets annoyed when Sunny tries to flirt with Kevin, blurting out "I'm right here Sunny!"

Gwen had a small crush on Winston in the episode The Creature from Beyond, which led Kevin to being jealous and very protective of Gwen. When the Lucubra went into Gwen's mind, he was very reluctant of Gwen fighting with them, saying "Listen Gwen I can't... I mean... we can't afford to lose you... The team, you know," which touched her and left her speechless.

At the beginning of It's Not Easy Being Gwen, Kevin calls Gwen and asks her if they can meet for lunch, but before Gwen could answer him a tiny fire starts from her doing a spell. She says that she will call him soon. Later Kevin shows up and tells her that she didn't call him back; she tells him that she doesn't have time to eat lunch. She sees that Kevin's shirt is ripped, and he says that he found Dr. Animo. Kevin and Gwen talk on their way to her house and she tells him that even if he does not go to school, she doesn't want him to go and fight their enemies. Kevin was shocked that she knows about him not going to school, to which she says that she already knew, since he was stuck in the Null Void and missed a lot of school years. She says that she knows that he is very smart, and shows that she cares about Kevin getting an education. The two are about to kiss but are interrupted by Ben, who tells Kevin to hurry up as Ben fights off more mutant frogs. Kevin tells Gwen she's too busy to assist and jumps out the window to fight. She gives him a charm and tells him to use it if it gets to dangerous, but Gwen says that if he uses the charm and it does not work, she will never see him again. He tells her that he will see her tonight, and that they will talk about him getting his GED. Gwen later arrives home while her mom is getting dinner ready. She tells Gwen that her father is getting dinner, and that Kevin called her and that Ben and Kevin will be joining them.

In Ben 10: Omniverse, Gwen and Kevin's relationship has not changed that much.

Gwen is first seen with Ben and Kevin chasing Zombozo through Bellwood. Shortly after fighting and capturing Zombozo, Gwen says her goodbyes to Ben because she is heading to college since she took honor classes. She then tells Ben to stay out of trouble and gets into the car with Kevin (who also reveals that he will be staying with Gwen, but near campus), then the two drive off (which leaves Ben to deal with Zombozo.)

Michael Morningstar

When Gwen and the others first met Morningstar in All That Glitters, he was a charming Casanova and there was a dim spark between him and Gwen. Ben, because of his eagerness to build a team, and Gwen, because of her crush on him, automatically trusted him, but Kevin resented him, due to his crush on Gwen. After a battle against the zombies, Mike asked Gwen out on a date which made Kevin even more jealous. Later, it turned out that Mike had never liked Gwen as a person, only her innate Anodite, magical powers, and abilities. By the end of the episode, she came to her senses, regained her magical and Anodite abilities, and returned to Kevin's side which, he was happy about.

Cooper Daniels

Cooper has had a crush on Gwen since the Alien Force episode Undercover. Whenever he sees Gwen he blushes, makes sweet remarks, and acts all goofy around her. Gwen doesn't reciprocate his feelings, but is flattered that he is so smitten for her.


It is seen that Gwen has a small crush on Winston from the Forever Knights. She likes his intelligence, much to Kevin's dismay and jealousy.


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