Grey Arms
Grey Arms
General Information
Species 1/2 Tetramand

1/2 Galvan

Home World None
DNA source Unknown
Body Four-Armed Humanoid
Powers and Abilities
Abilities Enhanced Strength (to a degree)
Enhanced Intelligence
Voice Actor Todd Haberkorn
First Appearance Riding the Storm Out

Grey Arms is a fusion of Four Arms' DNA and Grey Matter's DNA. As expected, he cannot be accessed without tampering the Omnitrix.


Grey Arms' lower half has the body of Four Arms, but the upper half has the body of Grey Matter. Grey Arms has three "copies" of Grey Matter's arms on the left side of his body, and one of Four Arms' arms on the right. Grey Arms has two of Four Arm's eyes and one of Grey Matter's eyes.

Powers and Abilities

We can assume that Grey Arms has enhanced intelligence and somewhat enhanced strength.


  • Riding the Storm Out (first appearance)


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