Luke SkywalkerLuke Skywalker, is a fictional character of the Star Wars universe, a Jedi Knight, who plays a major role in the series of films.
Warning: Wikipedia contains spoilers.
He is the son of Padme Amidala and Anakin Skywalker, and brother of Princess Leia. In the movie The Empire Strikes Back the audience finds out that his father, whom Luke believed was killed by Darth Vader, is in fact Vader himself.
He is the main character of A New Hope, where he helps rescue Princess Leia, carrying the plans for the Death Star to the Rebel Alliance and leading the starfighter attack on it with the aid of "The Force".
In the Star Wars books "The Expanded Universe" Luke meets Mara Jade. He falls in love with her, and eventually they wed. They have a son called Ben Skywalker (after Obi-Wan Kenobi, who used the pseudonym Ben).