Darth Sidious, also known as Emperor Palpatine, is a central antagonist in the Star Wars saga. A Sith Lord of immense power, he orchestrates the fall of the Galactic Republic and the rise of the Galactic Empire. Sidious is a master manipulator, using political intrigue and dark side mastery to achieve his goals. He is responsible for the corruption and eventual turn of Anakin Skywalker to the dark side, shaping him into Darth Vader. Sidious's cunning and ruthless ambition make him one of the most formidable villains in the Star Wars universe.