Castellaneta

On an episode of "Late Night with Conan O'Brien," Dan Castellaneta showed off his wide range of vocal talents for the host and his audience. First, he spoke as Krusty the Clown before switching over to several other…

Dan Castellaneta has played several troubled characters on "The Simpsons" like Groundskeeper Willie and Hans Moleman, but the top candidate for most hopeless could certainly go to Gil Gunderson, who, according to the…