Obi-Wan Kenobi

Obi-Wan Kenobi, also known as Ben Kenobi, is a fictional character in the "Star Wars" universe. He is one of several primary characters and one of the protagonist in the "Star Wars" series. He is a Jedi Master. 
With Anakin Skywalker/Darth Vader, R2-D2, and C-3PO, he is one of the few major characters to appear in all of the six "Star Wars" movies. He is portrayed in the original trilogy by Alec Guinness and in the prequel trilogy by Ewan McGregor and voiced by James Arnold Taylor in "Star Wars: The Clone Wars" series and "Star Wars Rebels" series.