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Ghostfreak is the Omnitrix's DNA sample of an Ectonurite from the planet Anur Phaetos in the Anur System.


Ben as Ghostfreak

Ghostfreak is a phantom/ghost-like alien with a gaseous appearance and claw like hands. He has grey skin with black lines running all over him. His skin is removable and he has tentacles underneath it. If his skin gets ripped off, his true form will unveil. He could deform his shape to appear like wisps of grey, somewhat transparent flame.

In the original series, Ghostfreak's Omnitrix symbol peeked out of his skin on his lower left chest and he has a purple eye. He speaks with a faint, whispering voice.

In Alien Force, Ghostfreak looks like Zs'Skayr, except his eye is now green and the Omnitrix symbol is on his chest. His voice is considerably deeper and raspy.

In Ultimate Alien, Ghostfreak looked like the Ectonurites from Ghost Town, but was more muscular. His eye is bigger and green with black pupils, and the spikes on his elbows were gone. Ghostfreak wore the Ultimatrix symbol on his chest instead of inside his skin.

In Omniverse, 16-year old Ghostfreak now has green chains all over his front side which lead to his neck, waist, and center/chest. The spikes on his elbows have returned and his skin is now a greenish white. He also has two cuffs on each of his arms. The Omnitrix symbol is located at the center of his chains. His voice has returned to the faint and whispering kind. When possessing someone, he has a green glow.

Bad Ben as Ghostfreak

Bad Ben's Ghostfreak is similar to 16-year old Ghostfreak, except the green parts of Ghostfreak are colored mint green. He sounds more like Zs'Skayr compared to his main counterpart.

Powers and Abilities

  • Ghostfreak possessing Darkstar
  • Ghostfreak's tentacles
  • Ghostfreak's invisibility
  • Ghostfreak's intangibility

Ghostfreak's powers are composed of several aspects of traditional ghosts from myths and lore, such as hovering and phasing through solid matter, making his intangibility a powerful defense as well as a means of infiltrating high-security locations. He has been shown to be capable of making other objects or people intangible and transparent as well through physical contact. Also, he can phase parts of himself through people to cause them pain or to shock them into submission, with it also being shown that he can make people feel deathly cold by moving through them.

Ghostfreak can fly, has a movable eye, can become invisible, and can survive in space. Ghostfreak is able to possess the bodies of his enemies and control their movements, to the point where he can cause them to fly like himself, allowing him to freely slam them against walls or hit themselves. He can also access the abilities of other beings that possess superpowers. In the case of Darkstar, he also had access to his powers once he possessed him.

As show in Ghostfreaked Out, Ghostfreak can stick his claws into his head and sting them, as shown with Thumbskull.

Ghostfreak can use the tentacles under his protective skin as a means of scaring his enemies into submission. However, Ghostfreak has also been seen using them to grab heavy objects, such as a bus full of people. The tentacles also appear to be resistant towards sunlight.

Ghostfreak's true form, without his protective skin, has telekinetic abilities, as seen in Ghost Town, when he fought against Vilgax using only his telekinetic abilities and energy beam projection. His true form also has sharp teeth and claws, as well as an inverted skull. His outer skin protects him from burning in the sunlight.

Ghostfreak is immune to Darkstar's energy absorption ability, as an Ectonurite has no life force in the conventional sense.

Ghostfreak can rotate his skull.[1]

Ghostfreak's tentacles are strong enough to lift a bus full of people, as revealed in Bengeance Is Mine.

Ghostfreak can alter his shape and deform like gas by making himself into a smoke like wispy form, first shown in Hunted.

As shown in Mystery, Incorporeal, it is revealed that Ghostfreak, and other Ectonurites, don't have mana in them (as mana is life energy, and Ectonurites are not alive in the same way that most life forms are).


Much like other intangible beings, certain substances can neutralize Ghostfreak's intangibility and his invisibility, as seen in Hunted, when Kraab neutralized Ghostfreak's intangibility and invisibility with a special, orange liquid.

Ghostfreak's second skin inhibits many of his powers, but removing it makes him vulnerable to sunlight.

Though he is able to fly, he is not very fast in the air, and therefore must rely on his intangibility and invisibility to evade attacks.

In the original series, Ghostfreak's DNA was linked to the conscious, memories, and personality of Zs'Skayr, who took over Ben and freed himself after the Omnitrix timed out, making Ghostfreak a dangerous alien to use. However, Ghostfreak now exists independently from Zs'Skayr, complete with Ben's personality, so this is no longer an issue.

His intangibility is useless when faced by another being that can go intangible.

Magic can also harm Ghostfreak.

Ghostfreak cannot possess beings who have no mind, like a zombie for example.



  • In Ghost Town, Ben scanned Zs'Skayr again and transformed into Ghostfreak, but Zs'Skayr quickly regained control. With the "help" of Vilgax, Ghostfreak was able to revert to Ben.


  • In Mystery, Incorporeal, Ghostfreak saved Helena Xagliv from Michael Morningstar, then possessed Michael Morningstar and made him stop the spell in order to save Gwen. Ben reveals that he was still scared of transforming into Ghostfreak, but got over it quickly because he has complete control over him now.
  • In Bengeance Is Mine, Ghostfreak battled Psyphon and saved a bus load of people.
  • In Charm School, Ghostfreak was searching for Charmcaster in Friedkin University, he later lured her into the library before he turned back into Ben.
  • In Vreedlemania, Ghostfreak possessed Ma Vreedle and ordered the Pretty Boys to stop causing destruction, but Ma fought him out of her body once the Vreedles found out that it wasn't her speaking.
  • In Malgax Attacks, Ghostfreak fights off Vilgax's fleet.
  • In A New Dawn, Ghostfreak was used to battle the zombie red coat. Later, Ghostfreak appeared for a short time when Ben was cycling through his aliens.
Bad Ben





Cartoon Network Action Packs
  • Fast Lane

Video Games

Naming and Translations

Language Name Origin
Arabic جوست فريك From the original English name
Bulgarian Чудодух (OV & AF)

Призрака (UA & OV) || From чудо (chudo), miracle and дух (duh), ghost From призрака, the ghost

Burmese The White Smoke
Chinese 鬼影 From (Gúi), ghost and (Yǐng), shadow
Croatian Prikaza From prikaza, apparition or ghost
Dutch Spokie From spook, ghost
Finnish Oikkuaave From oikkuaave, freakghost
French Spectral From spectral, spectre
German Schattenmonster From schatten, shadow and monster, monster
Greek Φαντασμα From fantasma, phantasm
Hebrew רוח פחד From רוח, ghost and פחד, fear
Hungarian Szellem From szellem, ghost
Italian Pelle d'oca From pelle d'oca, goosebumps
Japanese ゴーストフリーク From ゴースト (gōsuto), ghost and フリーク (furīku), freak
Korean 섀도우 From 섀도우, shadow
Norwegian Ånden From ânden, ghost/spirit/genie
Polish Fantom From fantom, phantom
Portuguese (Br) Fantasmático From fantasma, ghost and ático, freak
Romanian Stafia From stafia, ghost
Russian Призрак (Prizrak) From призрак (prizrak), ghost
Serbian Утвара (Utvara) From утвара (utvara), spectre
Spanish (HA) Fantasmático From fantasma and ghost ático, freak
Spanish (Spain) Espectral From espectral, spectre
Swedish Skuggan From skuggan, shadow
Turkish Gölge Hayalet From gölge, shadow and hayalet, ghost


  • According to Ben in the original series, he was always creeped out when he was Ghostfreak and was still scared to transform into him 6 years later (especially after the Zs'Skayr incident), but when he transforms into Ghostfreak in Mystery, Incorporeal, he states that he feels like himself, suggesting that he is no longer in danger of being taken over by Zs'Skayr.
  • Ghostfreak makes a small cameo in the game FusionFall, inside the Dizzy World Infected Zone.
  • He replaces Shocksquatch in the intro for Omniverse's Arc 5.
  • Ghostfreak is the only alien to have a different appearance in all four series.


Ben 10 Aliens
Introduced in Ben 10
ArctiguanaBlitzwolferBuzzshockCannonboltDiamondheadDittoEye GuyFour ArmsFrankenstrikeGhostfreakGrey MatterHeatblastRipjawsSnare-ohStinkflyUpchuckUpgradeWay BigWildmuttWildvineXLR8
Introduced in Ben 10: Alien Force Introduced in Ben 10: Alien Swarm
Alien XBig ChillBrainstormChromastoneEcho EchoGoopHumungousaurJetrayLodestarRathSpidermonkeySwampfire Nanomech
Introduced in Ben 10: Ultimate Alien Introduced in Heroes United
AmpFibianArmodrilloChamAlienClockworkEatleFasttrackJury RiggNRGTerraspinWater Hazard Shocksquatch
Introduced in Ben 10: Omniverse
AstrodactylAtomixBall WeevilBloxxBullfragCrashhopperFeedbackGravattackGutrotKickin HawkMole-StachePesky DustThe WorstToepickWalkatroutWhampire
Ultimate Forms
Big ChillCannonboltEcho EchoHumungousaurSpidermonkeySwampfireWay BigWildmutt
Future Aliens Fusion Aliens See Also
SandboxShellheadSnakepitSpitter Diamond MatterHeat JawsStink Arms Decagon VreedleRocksSquidstrictorThriller WhaleVentrilosquid
PortalerAntigraviteslaBob the BlobPlantapocalypse

Start a Discussion Discussions about Ghostfreak

  • Why the omnitrix needs Zs'skary for Ghostfreak

    19 messages
    • Oh I almost forget about the Sentinel Ultimates how come they even exist in the ultimatrix if the watch doesn't keep thier DNA 
    • Good question. I assume the Ultimatrix didn't stop generating the ultimates properly. Like instead of storing them to the hard drive, ...
  • Zs'Skayr design

    8 messages
    • The Evolution function puts the species in a zone where it's Survival of the strongest instead of fittest, and speeds it up a few mill...
    • Maybe.

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