Count Dooku

Count Dooku, also known as Darth Tyranus, is a fictional character from the Star Wars universe, appearing as the main antagonist of Star Wars Episode II: Attack of the Clones and a minor antagonist in Star Wars Episode III: Revenge of the Sith (portrayed by Christopher Lee) and a central villain for Star Wars: The Clone Wars (voiced by Corey Burton). Once a respected Jedi Master, he falls to the dark side of the Force and becomes Darth Sidious‘s second apprentice, the founder of the Confederacy of Independent Systems and the instigator of the Clone Wars.