Jeff Dunham's popularity as a stand-up comic not only spans the U.S. but Europe as well. His shows sell out in minutes and his DVDs continue to fly off the shelves. Dunham's act features characters such as Walter, a grumpy old man; Achmed, the dead terrorist; José, a jalapeño on a stick; and many more. Watching any of his performances lets you know exactly why he's one of America's most watched comics.