Darth Sidious, also known as Emperor Palpatine, is a central character in the Star Wars franchise, serving as the primary antagonist. He is a Sith Lord who rises to power as the Emperor of the Galactic Empire. Sidious is known for his cunning and mastery of the dark side of the Force. He orchestrates the Clone Wars as part of his plan to eliminate the Jedi Order and consolidate power. His manipulative and ruthless nature makes him a pivotal character in the Star Wars saga, embodying the ultimate evil.