Star Wars Character: General Grievous
General Grievous is the main commander of the droid armies. He was once a living creature, but was badly wounded in a conflict with Jedi. Sustained by technology and the powers of the Dark Side, he becomes a fearsome cyborg warrior with a deep hatred of Jedi. He keeps a collection of lightsabers from Jedi he has killed. He is eventually slain in hand to hand combat by Obi-Wan Kenobi.