Obi-Wan Kenobi is a Star Wars character who first appeared in the original 1977 film. He is a Jedi master and mentor to Luke Skywalker, and is portrayed by Alec Guinness and Ewan McGregor in the series. OBI-Wan is a wise and powerful warrior, and is known for his loyalty and dedication to the Jedi Order. He is also a skilled swordsman and pilot, and is often seen as a source of guidance and wisdom.