Grand Inquistor

Grand Inquisitor is the main antagonist of the first season of the television series Star Wars: Rebels. 4 years before the theft of the Death Star's plans, The Inquisitor was the leader of the Inquisitorius and was tasked with tracking down and eliminating all known Jedi Knights who survived Order 66 in the campaign known as the Great Jedi Purge. He was trained in the ways of the dark side by Darth Vader, the latter of which took the Inquisitor's place as the main antagonist in Season 2.

He was voiced by Jason Isaacs, who also played Lucius Malfoy, Colonel Tavington, Captain Hook, and Sinestr