After sacrificing himself in a duel against Darth Vader, Obi-Wan guides Luke through the Force in his fight against the Galactic Empire. He is a mentor to Luke Skywalker, to whom he introduces the ways of the Jedi. In the original trilogy he is introduced as Ben Kenobi, an alias he uses while in hiding from the Empire. In the later-released prequel trilogy, a younger version of the character serves as one of the two main protagonists, alongside Anakin Skywalker, and is portrayed by Scottish actor Ewan McGregor. Within the original trilogy, Obi-Wan is a Jedi Master as a supporting character and is portrayed by English actor Alec Guinness.
Obi-Wan Kenobi ( / ˈ oʊ b iː ˌ w ɑː n k ə ˈ n oʊ b iː/) is a fictional character in the Star Wars franchise.