Omni-Enhanced Grey Matter takes the appearance of regular Grey Matter inside a large stone and energy constructs that acts similar to a mecha suit. While continuing to have his super intelligence, his Omni-Enhancements now adds brawns to his body. Omni-Enhanced Grey Matter's limbs can stretch and bend, as they are not solid. They can also be used to administer electric shocks on contact.
202 - "Can I Keep It?"
216 - "Assault on Pancake Race"
223 - "Xingo's Back"