Decimus Prime, Ben 10 Wiki

Decimus Prime is the Omnitrix's CNA sample of a Cybertronian from the planet Cybertron. He is exclusive to Ben Prime's dimension. Decimus is a large green robotic humanoid with black stripes and white trimmings all over his body, gray upper arms and legs, a slight chin on his face, a green visor covering his eyes, two rods sticking out of his back, exhaust pipes sticking out of his arms, and tires on his shoulders and legs. He bears a large Omnitrix logo on his chest with the real one in the mid

Ben 10: Anti-Alien Armor by EnderKnight1 on DeviantArt

Decimus Prime, Ben 10 Wiki

Could Ben-10 transform into Darkseid by scanning him? - Quora

Gutrot, Ben 10 Ultimate Wiki

Decimus Prime, Ben 10 Wiki

Snakepit (Thomas Perkins)

Which of Ben's aliens are stronger, the original ten aliens from

Could the Omnitrix from Ben 10 scan and allow Ben to transform

So, out of the Semi-Canon Aliens, which one is your favorite