Sheev Palpatine (also known as the Chancellor Palpatine, Emperor Palpatine and Darth Sidious) is a fictional character and the main antagonist of the Star Wars franchise created by George Lucas. The character was first mentioned in the 1977 film Star Wars and makes his first brief appearance in The Empire Strikes Back, voiced by Clive Revill. Ian McDiarmid stars as the Emperor in Return of the Jedi and reprises the role as a younger Palpatine in the prequel trilogy. In the original trilogy, Palpatine is depicted as the aged, pale-faced Emperor of the Galactic Empire. In the prequel trilogy, he is portrayed as a charismatic Senator from Naboo, who—through the use of deception and political manipulation—rises to the position of Supreme Chancellor of the Galactic Republic and, finally, to Emperor of the first Galactic Empire. Though outwardly appearing to be a well-intentioned public servant and supporter of democracy prior to becoming Emperor, he is in fact Darth Sidious, the Dark Lord of the Sith—a cult of practitioners of the dark side of the Force previously thought to have been extinct in the galaxy for a millennium. As Sidious, he instigates the Clone Wars, all but destroys the Jedi, and transforms the Republic into the tyrannical Galactic Empire. He also corrupts Jedi Knight Anakin Skywalker, who serves at his side as the Sith lord Darth Vader. Palpatine's reign comes to an end when the Rebel Alliance overthrows the Empire and Vader turns on him and kills him. Palpatine was not given a first name in any canonical or “Star Wars Legends” sources until 2014, when the character's first name—Sheev—was revealed in the novel Tarkin, written by James Luceno. The Lucasfilm Story Group approached Del Rey Books and asked if they wanted to use the name, which was created by George Lucas, in the Tarkin novel, to which Del Rey agreed. Since the initial theatrical run of Star Wars, he has become a widely-recognized pop culture symbol of evil, sinister deception, and tyranny.