Obi-Wan Kenobi is introduced in the original Star Wars film living as a 57-year old hermit under the name of Ben Kenobi on the planet Tatooine. When Luke Skywalker ( Mark Hamill) and C-3PO ( Anthony Daniels) travel the desert in search of the lost R2-D2 ( Kenny Baker ), Obi-Wan rescues them from a band of Tusken Raiders.