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Atomic-X is the combination of Alien X and Atomix's DNA. He can only be accessed by using the Biomnitrix.


Atomic-X's torso is mainly that of Atomix's, but is Alien X's height and shape. His head is in the shape of Alien X's, with Atomix's eyebrows fused with the middle spike of Alien X's head, and the details from Atomix's chin. His upper body is the shape of Alien X's with details from Atomix. His lower arms are that of Atomix, while his hands have the coloration of Alien X. He has Atomix's belt while it lacks the green, and his legs are that of Alien X with details from Atomix. He wears the Biomnitrix on his chest.

Powers and Abilities

Atomic-X has an extremely high level of enhanced strength, capable of knocking Vilgax into the air with a mere flick of a finger.

Being part-Celestialsapien, Atomic-X can teleport anywhere he wishes. In short, Atomic-X has Alien X's powers.[DJW 1][note 1]

Similar to Atomix, Atomic-X can shoot energy beams from his fists and is capable of flight.

Atomix-X can create multiple orbs that appear to be combinations of light fusions and black holes without physically doing anything.[1]


Atomic-X can be destroyed by a Chronosapien Time Bomb.[2]

Atomic-X is vulnerable to time attacks of a Chronosapien.[3]

Atomic-X is weaker than Alien X, as his DNA is diluted due to being a fusion.[DR 1]





Season 5

Season 8

Naming and Translations

Language Name Origin
Italian Atomic-X From the original English name
Polish Atomowy-X From the original English name
Portuguese (Br) Atômico-X From "Atômico", which means Atomic ("Atômico" also is Atomix's Portuguese name) and "X", from Alien X
Romanian Atomic-X From the original English name
Russian Атомный Икс From атомный, atomic and икс, x
Spanish (HA) Atomic
From Atomic
From the original English name


Atomic-X's name is a combination of Atomix and Alien X.



  1. 1.0 1.1 There has been much debate between fans as to if Alien X (and Atomic-X by extension) is to be considered omnipotent or nigh-omnipotent. Given that literally any thought of Alien X can be converted to reality, by definition Alien X is all-powerful and thus is omnipotent. While his physical form does have weaknesses, they can be eliminated at any moment by a resolution of his personalities. His actions being reverted by other Celestialsapiens, and him being harmed because of the time it takes for the personalities to agree to defend themselves is a practical limitation on Alien X. In theory, he has all possible power, as there is no thought that cannot be converted into reality. Yet, due to the aforementioned limitations, some fans consider him to be nigh-omnipotent. Otherwise, the only evidence supporting the idea that Atomic-X has the same powers as Alien-X (including his absolute reality warping capacity) is a Word of God statement by Derrick J Wyatt. The discretion is left to the reader to decide which category to put Atomic-X in.


Derrick J. Wyatt

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