General Grievous is a fictional character and antagonist in the Star Wars franchise. He served as the Supreme Commander of the Confederacy of Independent Systems' Droid Armies during the Clone Wars. He was trained in all lightsaber combat forms by the Sith Lord Count Dooku to rival the Jedi of the Galactic Republic. In Legends, Grievous was a Kaleesh warlord named Qymaen jai Sheelal, who suffered great injuries in a ship crash and was then rebuilt as a cyborg.
The character was introduced in 2004 in the animated series Star Wars: Clone Wars, before making his live-action debut in the 2005 film Star Wars: Episode III – Revenge of the Sith.