Jon Heder
Jonathan Joseph Heder (; born October 26, 1977) is an American actor, best known for his role as the title character of the 2004 comedy film Napoleon Dynamite. He has also appeared in the films Just Like Heaven, The Benchwarmers, School for Scoundrels, Blades of Glory, Mama's Boy, When in Rome, and as Roy Disney in Walt Before Mickey. He also provided voice work for the animated films Monster House, Surf's Up, and Pinocchio, as well as the Napoleon Dynamite animated series.
Source: Wikipedia