Skywalker's mentor was a legendary Jedi Master named Obi-Wan Kenobi, also known as 'BEN' Kenobi. He was a wise and powerful warrior who trained Luke Skywalker in the ways of the Force. Kenobi was also a close friend of Yoda, another powerful Jedi Master who trained Luke in the ways of the Force. Yoda was a small, green-skinned creature with a long white beard and a deep knowledge of the Force. Both Kenobi and Yoda were instrumental in helping Luke become a powerful Jedi Knight.