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- 1 Appearance
- 2 Powers and Abilities
- 3 Weaknesses
- 4 History
- 5 Appearances
- 6 Video Games
- 7 Naming and Translations
- 8 Trivia
- 9 See Also
- 10 References
Grey Matter is a grey-skinned, frog-like, bipedal alien who is only 5 inches tall.[CN 1] He has large, orange eyes, with rectangular pupils. He wears a green jumpsuit with a black stripe going down the middle of the chest, which connects to black rings around his neck and waist, black rings around his wrists, and black coloring from the knees down.
Grey Matter wears the Omnitrix symbol on his back.
Powers and Abilities
Grey Matter's small size belies his great calculative and technical intellect. Grey Matter's mind is able to generate energies that lead to accelerated synaptic activity.[DR 1] He can create complicated machines from spare parts, understand the function of any device at a glance, and make sophisticated repairs to complex machines. Grey Matter's intellectual and analytical prowess aids him in succeeding his opponents in difficult situations. In conjunction, his intelligence makes him a natural problem solver, enabling him 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 an external stimulus.
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 capable of breathing underwater thanks to his gills, making him amphibious.
Grey Matter's small stature makes him ill-suited for physical battle, so he must outsmart his enemies in a fight.
Animals, such as cats and dogs, can be troublesome, as Grey Matter may appear to them as a plaything or a small snack.
Grey Matter is vulnerable to fire.
Because he is light, Grey Matter can easily be blown back by strong winds.
- Grey Matter first appeared in The Filth, where he watched some cartoons.
- In Take 10, Grey Matter attempted to take the phone away from Gwen.
- In Something I Ate, Grey Matter entered the Slurpstack in order to save Max before defeating the former.
- In Shhh!, Grey Matter attempted to get Gwen to make noise.
- In Need for Speed, Grey Matter spied on LaGrange.
- In All Wet, Grey Matter stopped Frightwig in a flashback.
- In Hole in 10, Grey Matter defeated the Ground Hawg Leader and became the new one.
- In Forgeti, Grey Matter defeated Gill.
- In Bad Penny, Grey Matter hid from Penny and attempted to get to a storage.
- In Omni-Tricked: Part 1, Grey Matter appeared due to a glitch.
- In Omni-Tricked: Part 2, Grey Matter appeared due to a glitch.
- In Omni-Tricked: Part 3, Grey Matter tried to put out a fire, prepared to battle Vilgax using his strategic plans before the Omnitrix glitch turned him into Cannonbolt, then he appeared shortly before the Omnitrix glitch turned him into Diamondhead.
- In Omni-Tricked: Part 4, Grey Matter fell into a glass of water, appeared twice due to a glitch, ran from Vilgax and battled Vilgax.
- In Bentuition: Grey Matter 01, Grey Matter stopped Max's snoring with a lock.
- In Bentuition: Grey Matter 02, Grey Matter fought against Sumo Wrestler Doll.
- In Out to Launch, Grey Matter infiltrated Betts McCabe's ship.
- In Can I Keep It?, Grey Matter briefly appeared before going enhanced.
- In Mayhem in Mascot, Grey Matter freed Yawk.
- In Screamcatcher, Grey Matter prepared to eat a cake in a flashback.
- In Animorphosis, Grey Matter partially appeared when Dr. Animo was transforming and later when Animo as Rath was reverting.
- In Drone On, Grey Matter reprogrammed one of Vilgax's drones and saved Gwen from falling to her death.
- In Assault on Pancake Palace, Grey Matter investigated how the "executioner" was able to eat pancakes so quickly and later went enhanced.
- In Xingo's Back, Grey Matter went enhanced while trapped in the Xingo video game off-screen.
- In King Koil, Grey Matter was almost devoured by snakes and was defeated by King Koil.
- In That's The Stuff, Grey Matter was defeated by the Space Slime.
- In Bounty Ball, Grey Matter was captured by the bounty hunter trio, but eventually escaped by outsmarting them.
- In Innervasion Part 2: Call the Dream Police, Grey Matter formulated a plan to free Vilgax from his energy cage, but it backfired.
- In Innervasion Part 3: Strange Bedfellows, Grey Matter helped Vilgax gain access to the inside of the Omnitrix.
- In Innervasion Part 5: High Override, Grey Matter was locked from the active playlist and replaced with Slapback due to the Omnitrix's reboot.
- In Ben Gen 10, Grey Matter appeared as one of the many alien templates used for Hex's army.
- The Filth (first appearance)
- Take 10 (selected alien was XLR8)
- Something I Ate
- Shhh! (cameo)
- Need for Speed
- All Wet (flashback; cameo)
- Hole in 10
- Bad Penny
- Omni-Tricked: Part 1
- Omni-Tricked: Part 2
- Omni-Tricked: Part 3 (x3)
- Omni-Tricked: Part 4 (x5)
- Out to Launch (accidental transformation)
- Can I Keep It? (cameo; goes enhanced)
- Mayhem in Mascot
- Screamcatcher (flashback; cameo)
- Animorphosis (partial; by Animo x2)
- Drone On
- Assault on Pancake Palace (x2; second time was off-screen; goes enhanced)
- King Koil
- That's The Stuff
- Xingo's Back (off-screen; goes enhanced)
- Bounty Ball
- Innervasion Part 2: Call the Dream Police (cameo)
- Innervasion Part 3: Strange Bedfellows
- Ben Gen 10 (by Hex's army)
Grey Matter is a playable alien character in the game. He is initially unavailable, but is unlocked towards the end of the The City level.
Grey Matter is equipped with a mechanical backpack that assists him in combat, being able to fire energy blasts and vortices that drag enemies near.
Grey Matter's small size allows him to enter small areas that the rest of Ben's aliens, and Ben himself, are unable to access.
Grey Matter's Ultimate Ability consists of him modifying his backpack to shrink enemies down to a microscopic level, then stepping on them.
Grey Matter is vital for progression on the The City, the The Funhouse, the The Scrapyard and the The Hive levels of the game.
Naming and Translations
|Portuguese (Br)||Massa Cinzenta||From the original English name|
|Russian||Гуманоид||From гуманойд, humanoid|
|Spanish (HA)||Materia Gris||From the original English name|
- Grey Matter's outfit is modelled after the one worn in the original series, but with the white portion recolored green to match the outfit worn in Omniverse.
- Despite being replaced with Slapback beginning in Season 3, it was hinted by Duncan Rouleau that Grey Matter would return in the future,[DR 2] foreshadowing his appearance in Ben Gen 10.
- Grey Matter is Montserrat Hernandez's favorite alien.[MH 1]
- It's implied that Grey Matter was added back to the active playlist during Ben Gen 10, as his DNA pod can be seen briefly in the loading chamber while Rex Salazar was removing his nanites from the Omnitrix.
Cartoon Network India
|Introduced in Season 1||Cannonbolt • Diamondhead • Four Arms • Gax • Grey Matter • Heatblast • Overflow • Stinkfly • Upgrade • Wildvine • XLR8|
|Introduced in Season 2||Rath • Shock Rock|
|Introduced in Season 3||Humungousaur • Slapback|
|Introduced in Season 4||Goop • Jetray • Way Big|
|Introduced in Season 5||Alien X • Big Chill • Bloxx • Buzzshock • Chromastone • Ripjaws • Spidermonkey • Surge|
|Omni-Enhanced Aliens||Cannonbolt • Diamondhead • Four Arms • Grey Matter • Heatblast • Overflow • Stinkfly • Wildvine • XLR8|
|Omni-Kix Aliens||Cannonbolt • Diamondhead • Four Arms • Heatblast • Humungousaur • Jetray • Rath • Shock Rock • Slapback • XLR8|
|Omni-Naut Aliens||Heatblast • Jetray • Humungousaur • Shock Rock|
|Fusion Aliens||Amalgam Alien • Amalgam Ben • Grey Arms • XLRArmBlastDiamondHeat|
|Non-Canon Aliens||Banana Alien • Black Hat Alien • Hotdawg • Mole-Stache • Scooter Alien|
|Non-Canon Fusion Aliens||Omnitrix Glitch Fusion • Diamondhead-Humungousaur Fusion • Rath Arms • Shock Blast|