Luke Skywalker is a central character in the Star Wars franchise, created by George Lucas. He is a Jedi Knight who plays a crucial role in the fight against the Galactic Empire and the dark side of the Force, ultimately becoming a symbol of hope and resilience. Throughout his journey, Luke evolves from a humble farm boy on Tatooine to a powerful Jedi Master. His adventures include training under Yoda and confronting his father, Darth Vader, which leads to significant revelations about family and destiny.