Jon Stewart

Jon Stewart is a political comedian. He has appeared on The simpsons once in E. Pluribus Wiggum

Character
On The Simpsons, Jon knows Krusty and was at a charity event. Krusty steals Jon Stewarts jokes and Jon leaves Springfield in disgust.

Real Life
Jon Stewart is usually on Comedy Central. On November 4, 2008, he was on a political show with Stephen Colbert.