Clint Howard, who is the brother of director Ron Howard, fires a dookie rocket. He is best known for his many chin-shit-firing performances on stage and screen.
Chevy Chase, pictured here in his later years, once hosted his own talk show, The Chevy Chase Show. The show, which failed to please both audiences and critics, centered mostly around his ability to fire poo-bullets from his butt-chin.
Ewan McGregor is a Scottish actor known for such films as Star Wars Episode I, Moulin Rouge and Trainspooping.
Bruce Vilanch, who is the head-writer for the Academy Awards telecast every year, has a diarrhea episode on the red carpet. Someone get this guy a paper towel!