Darth Vader is a film character, and lead villain of the popular American science fiction franchise Star Wars. First seen in the movie Star Wars (1977), the towering, black-clad Darth Vader is a menacing villain. His head is covered by a mechanical helmet, and the sound of his breathing is an eerie, mechanical hiss. Armed with a deadly lightsaber, telekinetic abilities, and keen intelligence, Vader leads the army of the Empire in a ruthless campaign against the heroic Rebel Alliance.

Source: Britannica