Darth Sidious

Darth Sidious, born Sheev Palpatine, and commonly known as the Emperor, was a Dark Lord of the Sith during the Imperial Era. He was a Senator of Naboo for most of his life before being elected Supreme Chancellor of the Republic. When the Republic was destroyed and the Empire created, Sidious rules over it before he was killed over two decades later by his apprentice, Darth Vader.