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Float like a butterfly, sting like a bee!

– Nanomech, attacking Ra'ad.[1]

Nanomech is the Omnitrix's DNA sample of a Nanochip/Human hybrid.[note 1]


Nanomech is about a centimeter tall at full size. He has grey skin with a green circuit-like design on it. Nanomech possesses green wings as well as one large, green cyclopean-eye. His body is a carbon or silicon-based alloy, and he has triangular feet. He wore the original Omnitrix/Ultimatrix symbol on his chest.

In Video Games, Nanomech wore a blue motion capture suit.

In Omniverse, Nanomech's circuit design is gone, being replaced with one pushing more to his Alien Swarm design, and the Omnitrix symbol is where his eye was. He has different wings and four small eyes around the Omnitrix, similar to Stinkfly. His legs have also changed shape, and his body now emits a bright green glow that completely surrounds him.

Powers and Abilities

Nanomech is capable of flying, thanks to possessing a pair of wings. He is very agile and his wings glow when he is airborne.[1][2]

Nanomech can reduce his size at will, even to microscopic scales.[3] He can return to his original size, but cannot grow any larger as his maximum size is very small.[DJW 3]

Nanomech can launch green bioelectrical energy from his hands and eye, ranging in forms from beams to orbs.[4]

Nanomech has the ability to adapt to his opponents very fast, such as sprouting energy tentacles like the Decoy Queen seconds after she attacked him with her own.[3]

Nanomech's adaptability allows him to understand the functions of machinery and tech, and use that information to make them malfunction and break in a matter of seconds.[5]

Nanomech cannot be controlled by Nanochip Queens; according to himself, it is because he is part human, and "humans never give up".[3]

Because he is a technological being, it is possible for a Galvanic Mechamorph to merge with Nanomech.[DJW 4]


Much like Grey Matter, Nanomech's minuscule size can be a problem if fighting larger opponents, as seen when he was harmed by a fly swatter.[4]

Due to his small size, Nanomech is vulnerable to suction.[5]

Because he is extremely light, Nanomech can easily be blown back and immobilized by strong winds.[1]

Even though Nanomech cannot be controlled by Nanochip Queens, he can still be partially influenced by them.[3]


Alien Force

  • Nanomech first appeared in Ben 10: Alien Swarm, where he was created by the Omnitrix scanning the Nanochips and entered Victor's brain to fight the Decoy Queen. After a grueling battle, Nanomech destroyed the Queen and thus the entirety of the chips, freeing everybody from their control.

Ultimate Alien




Season 1
Season 2
Season 3

Season 1
Season 3
Season 4
Season 7
Season 8

Cartoon Network Action Packs
Chapter Books


Nanomech is short for "nano-mechanical".

Naming and Translations

Language Name Origin
Bulgarian Наномех From the original English name
Chinese 极微人 From 极微 (Jí Wēi), minimum, and (Rén), man
Dutch Nanomech From the original English name
French Nanomech From the original English name
German Nanomech From the original English name
Greek Νανομηχανισμός From νανομηχανισμός, nanomechanism
Hungarian Picuri From pici, small
Italian Nanomech From the original English name
Polish NanoBen A combination of nano and Ben
Portuguese (Br) Nanomech From the original English name, pronounced Nanomé
Romanian Nanomecanicul from nanomecanic, nanomech
Russian Наномеханизм From наномеханизм, nanomechanism
Spanish (HA) Nanomech From the original name
Spanish (Spain) Nanomec From the original English name without the letter h
Swedish Nanomek From the original name including the letter k
Turkish Nanomek From nanomek, Turkish translation of original name


  • Nanomech's Ultimate Alien appearance was designed by Glenn Wong, with color styling by Chris Hooten.[GW 1]
  • Nanomech is Ben's smallest alien, smaller than even Grey Matter.[6]
  • Benchip was Nanomech's working name.[DM 1]
  • Due to him not really being a typical alien from any sort of planet, Nanomech is identified as an unknown bio-mechanical organism/creature by both Inspector 13's technology[4] and the Plumbers' scanners.[6]
  • Nanomech's voice has changed in his appearances, mainly due to the perspective he is seen from:
    • In Alien Swarm, his voice was very deep due to being seen from anything of his size's perspective.
    • In Ultimate Alien, his voice became squeaky and high-pitched due to being mostly seen from a human-sized perspective.
    • In Omniverse, his voice is similar to his Ultimate Alien voice but with a more robotic tone.
  • Kevin finds it hard to take Ben as Nanomech seriously due to his squeaky voice.[1] Because of his minuscule size, Kevin also thinks Nanomech is really lame.[5]
  • Throughout Ultimate Alien, Nanomech was always transformed into via the quick change feature. He was not directly transformed into by Ben in his human form.
  • If Duncan's opinion regarding Nanomech's nature were to be proven true, that would mean Nanomech is the only known Omnitrix alien that is part-human, as well as the only hybrid/fusion transformation that can be accessed without the Omnitrix either being broken or upgraded into a Biomnitrix.
  • During the Birthday Bash in FusionFall, players could get a Nanomech helmet modeled after his live-action movie design. However, after Ultimate Alien premiered, it was changed to match the animated version. This item was re-released as a code item.
  • Nanomech is one of five aliens to debut in a movie or special; the others being Eye Guy, Way Big, Eon, and Shocksquatch.
  • Nanomech is one of five aliens featured in Omniverse who generate green electricity; the others being Upgrade, Buzzshock, Frankenstrike, and Brainstorm.


  1. Nanomech's exact nature is complicated, as it is implied in Alien Swarm and eventually confirmed by Duncan Rouleau that Nanomech is a Nanochip/Human-hybrid.[DR 1]
    • However, Derrick J. Wyatt considered Nanomech to be more of an evolved form of Nanochip rather than a hybrid.[DJW 1][DJW 2]
    • The card included with Bandai's Nanomech action figure refers to him as both a Nanomechion from "hive" planets and a unique creation of the Omnitrix, fusing the bio-mechanical DNA of the Nanochips with Ben.[merch 1]


Glenn Wong

Dwayne McDuffie

  1. link unavailable

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 AlbedoArctiguanaBenBig ChillCannonboltEcho EchoGravattackHumungousaurRathSpidermonkeySwampfireWay BigWildmutt
Fusion Aliens Atomic-XBig ChuckCrashockerDiamond MatterFourmungousaurHeat JawsHumungoopsaurStink ArmsUprigg
Concept Fusion Aliens GravadactylXLRG
Other Aliens in Official Media 10/10/10 Box AliensAntigraviteslaBob the BlobCartoon Network AlienEon (Retconned)MoyoInvinciblePlantapocalypsePortalerRocksShadowmanSquidstrictorStretcheleo