General Grievous

General Grievous (voiced by Matthew Wood and Kirby Morrow) is a character in the Star Wars universe and one of the secondary antagonists of the prequel trilogy. He was the secondary antagonist of Star Wars Episode III: Revenge of the Sith, and a main antagonist in the Clone Wars TV series. He was primarily voiced by Matthew Wood. According to the Revenge of the Sith DVD, series creator George Lucas instructed his creative team to create a villain that foreshadowed Anakin Skywalker's transformation into Darth Vader: the heavy breathing, the cyborg body, and his seduction into a malevolent faction that hunts down and destroys Jedi.