Ben 10 Fan Fiction Wiki:Archive/Grey Matter

Appearance
He looks like a humanoid frog with big yellow green eyes, but in Ultimate alien he has green eyes. He appears to be wearing a suit of some kind and has a stripe on his head that starts from the back of his head to his forehead similar to Fourarms.

Abilities
He has great intelligence and can fit in small places and hard for people to see him.

Weaknesses
His size can sometimes be an asset and sometimes a liability, because people can easily step on him and it could possibly kill him.

Original Series
He has yellow green eyes and the omnitrix symbol is on his back which is alot bigger than his eyes.

Ultimate Alien
He now has green-eyes instead of yellow-green and the Ultimatrix symbol is now on his chest which is a lot smaller now. He is now gray instead of grayish-blue,and he still wears the suit.