Massive

Massive is a very large criminal who can control gravity and has a very hard body structure that even lasers cannot penetrate. He is voiced by the late Michael Clarke Dunkan.

Robot Massive
In "the hunter" episode of loonatics unleashed Otto the Odd built a robot massive to act as a decoy for Electro J. Fudd to help capture The greatest hero of all time, it was then ultimately destroyed by Tech E. coyote.