Jonathan Joseph "Jon" Heder (born October 26, 1977) is an American screenwriter, actor, and filmmaker. He was most successful for playing the title character of the 2004 comedy film Napoleon Dynamite. He has also acted in the films The Benchwarmers, School for Scoundrels, Blades of Glory, Mama's Boy, and When in Rome, and provided voice talents in the animated films Monster House and Surf's Up..