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OVERKILL! Well? Well?

– Chamalien asking Kevin and Gwen what they think of his new transformation.[1]

Chamalien (alternatively spelled as ChamAlien)[FB 1] is the Omnitrix's DNA sample of a Merlinisapien from an unknown planet.[DJW 1]


Ben as Chamalien

Chamalien has a slim body that resembles a large purple salamander with darker purple camo-esque spots all over his body and a short tail. He wears a black helmet[DJW 2] with three triangular colored lenses, the left one being blue, the right red and the middle green, which hide his three eyes. The helmet also has spike-shaped fin on the back of his head. He has four-fingered hands and three toes on his frog-like feet. He also has a wide mouth with sharp teeth.

Chamalien wears the Ultimatrix symbol on his chest.

Albedo as Negative Chamalien

Negative Chamalien looks just like Ben's Chamalien, except all of his eyes are red and he lacks an Ultimatrix symbol.

Powers and Abilities

Chamalien's main ability is his camouflage, as he is capable of blending in with the color of his surroundings with such effectiveness that he appears invisible.

Chamalien is very agile, quick, flexible, and can climb walls and crawl on the ground with ease.[2] He also has sharp teeth and claws.

Chamalien's body is highly slippery and smooth, making him very difficult to grab.[1]

Chamalien has a long, retractable black barb that can come out of the tip of his tail; this feat was exclusively demonstrated by Prisoner 775.[1]

Chamalien has enhanced strength, enough to push a car and a huge truck several yards away and defeat a Vulpimancer in battle. He is also durable enough to withstand being thrown against a car; both of these feats were also only demonstrated by Prisoner 775.[1]


Trackable Footprints

Chamalien can easily be tracked by Vulpimancers using their enhanced senses.[1][3] He can also be tracked by Anodites through his mana.[4]

Although Chamalien appears to turn invisible when he camouflages himself, he actually just changes his color. Consequently, his shadow can still be seen and any place filled with too many bright lights can be a disadvantage, as demonstrated with Prisoner 775.[1]

Chamalien's camouflage can also be rendered useless if he is either carrying something or coated in another material such as powder[3] or oil,[5] as demonstrated with Subdora.

Chamalien can be controlled and hypnotized by Vladats via their Corrupturas, as also demonstrated with Subdora.[6]


Ultimate Alien


Ultimate Alien

Season 3
Season 3

Naming and Translations

Language Name Origin
Bulgarian Хамеловък From хамеловък, chameleon
Chinese 小题大做 From 小题大做 (Xiǎo Tí Dà Zuò), "make a fuss"
French Caméleon
From caméléon, chameleon
From exagérer, exaggerate and -ator
German Chamäleon From chamäleon, chameleon
Greek Εξωγήινος Χαμελέοντας From εξωγήινος, alien and χαμελέοντας, chameleon
Hebrew חייזר זיקית From חייזר alien and זיקית, chameleon
Hungarian Kaméleon From kaméleon, chameleon
Italian Camaleontide From camaleonte and -ide, chameleon-like
Polish Przeginka From Overkill
Portuguese (Br) Chamalien From the original English name
Romanian Cameleonul From cameleon, chameleon
Russian Хамелеон From хамелеон, chameleon
Spanish (HA) Camaleón From camaleón, chameleon


Chamalien's name is portmanteau of "chameleon", an animal capable of changing its color, which alludes to his ability to camouflage himself, and "alien", a reference to Chamalien being an extraterrestrial life form, as well as a transformation.



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Crew Statements

Dwayne McDuffie

Derrick J. Wyatt

Glenn Wong

Duncan Rouleau

Introduced in Ben 10 ArctiguanaBlitzwolferBuzzshockCannonboltDiamondheadDittoEye GuyFour ArmsFrankenstrikeGhostfreakGrey MatterHeatblastRipjawsSnare-ohSpitterStinkflyUpchuckUpgradeWay BigWildmuttWildvineXLR8
Introduced in Alien Force Alien XBig ChillBrainstormChromastoneEcho EchoGoopHumungousaurJetrayLodestarNanomechRathSpidermonkeySwampfire
Introduced in Ultimate Alien AmpfibianArmodrilloChamalienClockworkEatleFasttrackJuryriggNRGShocksquatchTerraspinWater Hazard
Introduced in Omniverse AstrodactylAtomixBall WeevilBloxxBullfragCrashhopperFeedbackGravattackGutrotKickin HawkMole-StachePesky DustThe WorstToepickWalkatroutWhampire
Future Aliens SandboxShellheadSnakepit
Ultimate Aliens AlbedoArctiguanaBig ChillCannonboltEcho EchoGravattackHumungousaurRathSpidermonkeySwampfireWay BigWildmutt
Fusion Aliens Atomic-XBig ChuckCrashockerDiamond MatterFourmungousaurHeat JawsHumungoopsaurStink ArmsUprigg
Concept Fusion Aliens GravadactylXLRG
Other Aliens in Official Media AntigraviteslaBob the BlobCartoon Network AlienEon (Retconned)MoyoInvinciblePlantapocalypsePortalerRocksShadowmanSquidstrictorStretcheleo