Count Dooku is a fictional character in the Star Wars franchise, appearing in Attack of the Clones and Revenge of the Sith as a major and minor antagonist respectively. He was portrayed by Christopher Lee[1] and voiced by Corey Burton in the animated series Star Wars: The Clone Wars and Star Wars: Clone Wars.
Once a respected Jedi Master who was trained by Yoda as a Padawan learner, Dooku fell to the Dark side of the Force after the death of his former Padawan – Qui-Gon Jinn – and becomes Darth Sidious‘s second apprentice under the name «Darth Tyranus«. As the leader of the Separatist Alliance, he is instrumental in the Clone Wars before eventually getting killed by Anakin Skywalkerin Revenge of the Sith.