Aliens with gray in their predominant color scheme.
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Grey Matter (Ominihero) -
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Scatterjack -
Hairo Anken -
Bootleg (Kevin 11-OH) -
Rush (Kevin 11-OH) -
Decagon Vreedle (Ominihero)
All items (455)
1
A
- ABC
- Acid Rain (Jay 10)
- Aerray
- Aethen
- Afterlife
- Airthrower
- Alien-Whatever (Neon 10)
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- Archytaur
- Argit (Earth-50)/Timeline 1
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- Azmuth (Dimension ZaM879)
- Azmuth (Earth-50)/Timeline 1
- Azmuth (Earth-50)/Timeline 23
- Azmuth (Earth-90)
- Azmuth (Ominihero)
- Azmuth (Universe-7781)
B
- Badaboom
- Badaboom (Battle Ben-OH)
- Barnacle Man (Earth-32)/Dimension 23
- Bashmouth (AL 12 Reboot)
- Batbolt (Ben 10K-OH)
- Batwing
- Beastie
- Ben Einstein
- Benbat
- Big Chill (Earth-2018)
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- Bird Girl (Neon 23)
- Bisector
- BlitzHowler
- Blitzkrieg (Earth-90)
- Blitzwolfer (B10 Reboot: AR)
- Blitzwolfer (Battle Ben-OH)
- Blitzwolfer (Ben 10K-OH)
- Blitzwolfer (Benzarro-OH)
- Blitzwolfer (Nega Ben-OH)
- Blitzwolfer (Ominihero)
- Blitzwulf
- Blukic (Earth-68)
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- Bone-a-Soarus
- BoosterPack
- Bootleg (Kevin 11-OH)
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- Brain Frog (Ben 23-OH)
- BrainFibian (Ben10fan090's Alien)
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- Brainstem (Omnitrix Unleashed)
- Brainstorm (Richard 10)
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- Brawlephant
- Briiz
- Buglizard (Neon 10)
C
- Camera Shy
- Camomech
- Cannonbolt (Nega Ben-OH)
- Cel-R-Brate
- Cementomb
- Chaingun
- Chamalien (Battle Ben-OH)
- Chomper
- Chucklet
- Clockwork (Earth-2018)
- Comadose
- ConDuckt
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- Crystalbreak
D
- Daedalus
- Dark Matter (Kevin 11-OH)
- Darkseid
- Dartman
- Decagon Vreedle (Earth-2018)
- Decagon Vreedle (Ominihero)
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- Destructorb
- Diamondhead (Nega Ben-OH)
- Dill-N
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- Disconnect
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- Doppelganger
- Download (Omnitrix Unleashed)
- Driba (Earth-68)
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- Drillbit (Brandon 10)
E
- Eatle (Battle Ben-OH)
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- Electrix
- Electrockutioner
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- Excaloya
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- Eye Guy (Ben 23-OH)
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F
- Fasttrack (Earth-83)
- Fasttrack (Puzzle Piece)
- Fatemask
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- Fenrir (AL 12 Reboot)
- Fenrir (AL 12)
- Ferrarachnid
- Fish Frenzy (AL 12)
- Fleshreaver
- Flex
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- Fossilossus
- Fossorvate
- Franken (AL 12)
- Frankenstrike (Earth-2018)
- Frankenstrike (Earth-90)
- Frankenstrike (TNO)
- Froggy
- Frogstein (AL 12 Reboot)
- Frogstein (AL 12)
G
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- Ganglione
- Garbage Disposal
- Gemrock
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- Ghostfreak (AASC)
- Ghostfreak (Earth-2018)
- Ghostfreak (Earth-90)
- Ghostfreak (Evfnye 10)
- Ghostfreak (Ken 10-OH)
- Ghostfreak (Mad Ben-OH)
- Ghostfreak (Omnifusion)
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- Ghostgrade (Lord Ghostfreak)
- Gigantico (Omnitrix Unleashed)
- Gillotine
- GIR
- GIR (F10)
- Golurth
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- Gray Trunk
- Grecarden
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- Grey Arms (Alan)
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- Grey Matter (B10 Reboot: AR)
- Grey Matter (Battle Ben-OH)
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- Grey Matter (Ben 10: Omniversal Force)
- Grey Matter (Ben 10K-OH)
- Grey Matter (Benzarro-OH)
- Grey Matter (Chaos Ben-OH)
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- Grey Matter (Earth-2018)
- Grey Matter (Earth-45)
- Grey Matter (Earth-50)/Timeline 1
- Grey Matter (Earth-68)
- Grey Matter (Earth-90)
- Grey Matter (Evfnye 10)
- Grey Matter (Ken 10: Omniverse)
- Grey Matter (Mad Ben-OH)
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- Grey Matter (Ominihero)
- Grey Matter (Omnifusion)
- Grey Matter (TNO)
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- Grey Matter (Universe-7781)
- Grey Meteor
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H
- Haathee
- Hackoid
- Hairo Anken
- Heal X
- Heatblast (Chaos Ben-OH)
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- Huntscer
- Hypnotick (Ominihero)
I
J
K
L
M
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