Ben 10 Fan Fiction Wiki
Ben 10 Fan Fiction Wiki
Grey Matter
BBO Grey Matter.png
General Information
Species Galvan
Home World Galvan Prime
DNA source Azmuth
Body Amphibious Humanoid
Powers and Abilities
Abilities Enhanced Intelligence
Enhanced Agility
Enhanced Flexibility
Enhanced Jumping
Wall Crawling
Underwater Respiration
Prehensile Tongue
Voice Actor Richard Horvitz
First Appearance The Father

Grey Matter is the Infinity's DNA sample of a Galvan from the planet Galvan Prime in Bryce Bowman: Origins.


Grey Matter is a grey skinned, frog-like, bipedal alien that is only four inches tall with large sea green-colored eyes, which have rectangular pupils.

He wears a green robe with black triangles on the side, giving the appearance of an hourglass shape on the torso. He also wears black socks and half-fingered gloves.

Grey Matter has two, small, black stripes on his face that look like a moustache. He also has a discolored patch of skin that resembles another stripe down the front of his face.

The Infinity appears on his back.

Transformation Sequence

Bryce's hand grows and becomes grey, while the Infinity shrinks into it. He spins around slowly as the same happens to his other hand. He goes around again while his head expands and his eyes become bright lime-green. He spins one final time, his whole body transformed into Grey Matter's. He crouches down and shrinks as he does, reaching Grey Matter's size as his hand touches the floor.


Grey Matter was first used in The Father by the OmniDroid to escape Big Chill's ice trap.

Grey Matter was first used in Ghostfreaked Out (BBO) when he was unlocked under unknown circumstances to avoid being possessed by Zs'Skayr.

Grey Matter's first appearance continued until the next episode, Darkness in the Air, when he tried to escape from Zs'Skayr along with his minions- the Wolf, the Mummy, and Dr. Viktor.

Powers and Abilities

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). 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 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 tiny suction cups on his skin. He also has sharp teeth and his slimy skin makes him difficult to grab.

Grey Matter is stronger than he looks, though we are not sure to what degree.

According to Derrick J. Wyatt, Grey Matter is amphibious and has gills.

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.


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.




  • According to Bry W. Arrior, Grey Matter is the smartest alien Bryce has unlocked.
  • Grey Matter was technically the first alien in the Infinity's third playlist to be unlocked, but due to only being used in order to save Bryce from Zs'Skayr, he was re-locked after the transformation ended.
  • According to Bry W. Arrior, Grey Matter's DNA was sampled from Azmuth, giving him higher intelligence than any other Galvan aside from Azmuth himself.
  • Grey Matter sounds like he did in the Original Series of Ben 10.
  • Grey Matter is smarter than Brainstorm, although this does not speak for the Galvan and Cerebrocrustacean species as wholes.
  • Nemevoc's version of Grey Matter is called "Wannabe" by Bryce as a taunt, knowing that Nemevoc always looked up to Azmuth.
Bryce Bowman All Related
Bryce Bowman: Origins - Bryce Bowman: Devil's Bounty
Major Characters
Bryce Bowman - Gwen Tennyson - Kevin Levin - Azmuth - Professor Paradox - Max Tennyson - Tetrax Shard - Carolina - York - Maine - Wyoming - North - Tex - South - C.T. - Washington - Cortana - The Alpha - Tony Stark - Bruce Banner - Thor - Peter Parker - Steve Rogers - Natasha Romanoff - Clint Barton
Minor Characters
Marissa Harper - Lieutenant Steele - Technorg - Proto - Bowman 10,000 - Manny Armstrong - Helen Wheels - The Counselor - The Pilot - Delta - F.I.L.S.S. - Omega - The Chorus Elite - The Merchant - Nick Fury - J.A.R.V.I.S.
Major Villains
Vilgax - Nemevoc - Kevin Levin (Formerly) - Zs'Skayr - Death Dragon - The Rebels - The Director - Lucifer
Minor Villains
Sixsix - Vulkanus - Kraab - Sunder - Zombozo - Acid Breath - Thumbskull - Frightwig - The Wolf - The Mummy - Hex - Rojo - Slix Vigma - Amsol - Dr. Viktor - Esoterica - Proto (temporarily) - The Forever Knights - Charmcaster - Black Scythe (temporarily) - Enoch - Sigma - Florida - The Rhino
Alien Forms
Everglade - XLR8 - Diamondhead - Water Hazard - Big Chill - Shocksquatch - Feedback - Tomahawk - Equinox - Darkflame - Humungousaur - Wolfsbane - Upgrade - Ghostfreak - Jetray - Psychophagus - Dynamite - Overflow - Clockwise - Atomix - Buzzshock - Aerosaur - Hercules - Jury Rigg - Frankenstrike - Grey Matter - Whiplash - Rockslide - Goop - Echo Echo - Fasttrack - Heatblast - Gutrot - Eatle - Galactica - Spinosaur - Graviton - Armodrillo - Technopath - FlameOgre - Blyzzard - AmpFibian - Rath - Bolt - Spidermonkey - Lodestone - Cannonbolt - Brainstorm - Chromastone - Wildvine - Blitzkrieg - Terraspin - Shellhead - Upchuck - Stampede - Kersmack - Stinkfly - Lavazoid - Invisilizard - Nanomech - Comadose - Eye Guy - Crashhopper - Cementomb - Ripjaws - Arctiguana - Megaton - NRG - Dominator - Ditto - Alloy - Spitter - Skyscraper - Blood Count - Wildmutt
Ultimate Forms
Ultimate Humungousaur - Ultimate Big Chill - Ultimate Everglade - Ultimate Galactica - Ultimate Diamondhead - Ultimate Echo Echo
Bowman 10,000's Alien Forms
Cannonbolt - Seaquake - Blyzzard - Ultimate Bowman (Hercules - Thunderclap - Graviton)
Infinity Omnitrix - Negafinity - The Omnitrix
Crossover Characters
John Spacewalker - Gaia
Crossover Aliens
Gravattack - Vicktor Stein - Espionage - Granodite
Time - The Multiverse
Brywarrior (Head of All Positions) - Sixef (Assistant Director) - Diamondface (Writer)
Temporary Staff
- Reo 54 (Artist) - Dioga Beta (Writer and Director of Monster of the Earth) - CharmcasterX (Co-Writer, Co-Editor, and Co-Director of Bryce Bowman: Omnistorm)