 
Upgrade is a Galvanic Mechamorph from the planet Galvan B.
Appearance
Upgrade is mainly all black and green. The front of his body is all white mainly because of Bens T-shirt. The Omnitrix symbol is on his chest and he has one circle for an eye.
Abillities
Upgrade has the ability to take over technology. He can fuse with any peice of technology and take control over it.
Ben 10
Upgrade first appears in the episode Permanent Retirement where he defeats a burgler.