In 1979's The Jerk, Mr. Bringing Down the House plays Navin R. Johnson, a huge moron who was "born a poor black child." Only he's white--incredibly so. It's dead-on hilarious slapstick, social commentary, and--most of all--shows Steve Martin's comic skills chopping like a damn Ginsu knife. Just lava-hot funny. Insert cliché about the mighty falling here.