The term 'Skywalker of 'Star Wars'' refers to two characters in the franchise: Anakin Skywalker and Luke Skywalker. Anakin is a major character in the prequel trilogy, portrayed by Hayden Christensen. He is a Jedi Knight who eventually turns to the dark side and becomes Darth Vader. Luke is the protagonist of the original trilogy, portrayed by Mark Hamill. He is the son of Anakin and a powerful Jedi Knight who helps restore balance to the galaxy.