Dragonball Evolution is a 2009 superhero film loosely based on the Japanese Shōnen Jump manga series Dragon Ball created by Akira Toriyama. Directed by James Wong, written by Ben Ramsey, and produced by Stephen Chow, it stars Justin Chatwin, Emmy Rossum, James Marsters, Jamie Chung, Chow Yun-fat, Joon Park, and Eriko Tamura. In the film, the teenager Goku reveals his past and sets out to fight the evil alien warlord Lord Piccolo who wishes to gain the powerful Dragon Balls and use them to take over Earth.