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Grey Matter is the Omnitrix's DNA sample of a Galvan from the planet Galvan Prime.

Appearance

Ben as Grey Matter

Grey Matter is a grey-skinned, frog-like, bipedal alien that is only four inches tall with large green eyes, which have rectangular pupils and horizontal eyelids. He wears a white jumpsuit with a thin vertical black stripe going down it (a larger version of the same stripe exists on his head, in-between his eyes).

In the original series, Grey Matter wore the Omnitrix symbol on his back and his eyes were yellowish-green. He spoke with a high-pitched voice.

In Ultimate Alien, Grey Matter looked exactly the same as before, except he wore the Ultimatrix symbol on his chest and his eyes were green.

In Omniverse, Grey Matter now has a green jumpsuit with a black belt. His suit collar is now black, and the stripe on his head and jumpsuit are no longer present. He wears black, fingerless gloves with a green rectangle on the back. His neck is slightly longer. His Omnitrix symbol continues to be present on his back, and his voice is slightly deeper.

11-year-old Grey Matter in Omniverse looks exactly the same as he did in the original series, but his collar is now black. His skin tone is also slightly different.

Gwen as Grey Matter

Gwen as Grey Matter had Gwen's hair and more oval-shaped eyes, with much smaller pupils. She wore a light blue jumpsuit with dark blue sleeves. She wore the Omnitrix symbol on her back. She also lacked the stripes Ben's form has.

Powers and Abilities

Grey Matter's intelligence

Grey Matter using his technical intelligence

Grey Matter's small size belies his great calculative and technical intellect. He can create complicated machines from spare parts, understand the function of any device at a glance, and make sophisticated repairs to complex machines (such as a warp-drive engine[1]). Grey Matter's intellect serves as a problem solver and analytical help in difficult situations. This allows Grey Matter to think more strategically when brute force is inefficient. 

Grey Matter's brain capacity makes Ben smarter about things he's never even seen before, like Kraab's alien circuitry.[pop-up 1][2]

Grey Matter can sometimes manipulate living things by stimulating certain parts of their nervous system if such beings can be controlled by external stimuli.

Grey Matter's size allows him to squeeze into small spaces and can climb walls due to microscopic pads on his skin.[pop-up 2][3] He also has sharp teeth and his slimy skin makes him difficult to grab.

Grey Matter appears to be stronger than he looks, as he was strong enough to move a cleaner's bucket with mops in it[4] and break a coolant pipe to freeze the Vreedle Brothers.[5]

Grey Matter is amphibious and has gills.[DJW 1]

Grey Matter has a long prehensile tongue, owing to his insectivore nature. As a Galvan, he also possesses a 'pre-brain' which deals with all basic bodily functions.[6]

Grey Matter was able to understand Pyxi's speech.[1]

Weaknesses

Grey Matter's small size makes him unsuitable for physical battle, so he must outsmart his enemies in a fight. Animals like dogs and cats can be a problem, as they may see Grey Matter as a chew toy or food to them.[4]

Despite possessing immense intelligence, Grey Matter can still make miscalculations, as his attempt to upgrade the Rust Bucket's air conditioner caused it to overheat instead, incapacitating the vehicle.[7]

History

Ben
Gwen 10
  • In Gwen 10, Grey Matter was chased by a raccoon.
Ken
  • In Ken 10, Ken as Grey Matter escaped his room. Later, Ken as Grey Matter unlocked his Omnitrix's Master Control.

Ben
  • In Snack Break, Grey Matter failed to retrieve his snack in a vending machine.

Ben
No Watch Ben

Appearances

Ben
Season 1
Season 2
Season 3
Season 4
Shorts
Gwen 10
Season 2
Ken
Season 4

Ben
Season 1
Season 3
Season 7
Season 8
No Watch Ben
Season 5

Video Games

Ben 10

  • Grey Matter is a playable alien in the game.

Naming and Translations

Language Name Origin
Albanian Materia Gri From materia gri, materia (matter) and gri (grey)
Arabic جراي ماتر From ماتر, matter, and جراي grey
Bulgarian Сиво Вещество (Civo Veshtestvo) From сиво (civo), grey and вещество (veshtestvo), matter
Chinese 小奇兵 From (Xiǎo), little, and 奇兵 (Qí Bīng), soldier
Croatian Siva Tvar From siva, grey, and tvar, matter
Danish Grå Substans From Grå, grey, and Substans, matter
Dutch Grijze Massa From grijze, grey, and massa, matter
Finnish Harmaa Haitta From harmaa, grey, and haitta, disadvantage
French Le Tétard Gris From gris, grey, and tétard, tadpole
Greek Γκρίζα Ύλη From Γκρί, gray, and ύλη, matter
Hebrew תא אפור From תא, cell, and אפור, grey
Hungarian Ragacska From ragacs, putty
Italian Materia Grigia From materia, matter, and grigia, grey
Japanese グレイマター From グレイ (gurei), grey, and マター (matā), matter
Korean 미니그레이 From 미니, mini, and 그레이, grey
Norwegian Gråbarken From grå, grey, and barken, bark
Polish Szara Materia From szara, grey, and materia, matter
Portuguese (Br) Massa Cinzenta From massa, mass, and cinzenta, grey
Romanian Cerebel
Materie cenusie
From cerebel, cerebellum
From materie, matter, and cenusie, grey
Russian Инопланетянин
Гуманоид (Gumanoyd)
From Инопланетянин, alien
From Гуманойд (gumanoyd), humanoid
Serbian Сива Материја (Siva Materija) From сива (siva), grey, and материја (materija), matter
Spanish (HA) Materia Gris From materia, matter, and gris, grey
Spanish (Spain) Materia Gris From materia, matter, and gris, grey
Swedish Grå Dvärgen From grå, grey, and dvärgen, dwarf
Turkish Gri Madde From gri, grey, and madde, matter

Etymology

Grey Matter is named after grey matter, one of the components of the central nervous system.

Trivia

  • Grey Matter is Ben's smartest alien.[DJW 2]
  • Grey Matter is the second smallest alien in Ben's arsenal; the overall smallest being Nanomech.[8]
  • Grey Matter is smart enough to unlock the original Omnitrix's Master Control, but Ben never considered doing this.[9]
  • Grey Matter's DNA was the first to be added to the original Omnitrix, though neither Azmuth nor Albedo was the source of the DNA sample.[DJW 3]
  • A running gag in the original series was that when Ben selected an alien with enhanced strength, he got Grey Matter instead.
  • Grey Matter and Feedback are the only aliens with their own theme song.


References

Crew Statements

Derrick J. Wyatt

Pop-ups

See Also

Transformations
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
Ultimate Aliens Ultimate AlbedoUltimate ArctiguanaUltimate Big ChillUltimate CannonboltUltimate Echo EchoUltimate GravattackUltimate HumungousaurUltimate RathUltimate SpidermonkeyUltimate SwampfireUltimate Way BigUltimate Wildmutt
Fusion Aliens Atomic-XBig ChuckCrashockerDiamond MatterFourmungousaurHeat JawsHumungoopsaurStink ArmsUprigg
Unseen Aliens Decagon VreedleRocksSquidstrictorVentrilosquid
Future Aliens SandboxShellheadSnakepit
Retconned Eon
Non-Canon PortalerAntigraviteslaBob the BlobPlantapocalypseThriller Whale

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