Jeff Dunham is an American ventriloquist and a stand-up comedian. He has performed on numerous comedy shows, including Comedy Central Presents in 2003. His usual puppets include a woozle named Peanut, a bitter old man named Walter, and Jose Jalapeno, a talking jalapeno pepper on a stick.

His first DVD, Jeff Dunham: Arguing With Myself, was released in April 2006. In this stand-up offering, Jeff opens his show playing straight-man to his usual crew and includes two other characters: Sweet Daddy D and Bubba J.

His new comedy special "Jeff Dunham: Spark of Insanity" was released on DVD September, 2007. The DVD features Peanut, Jose, Walter, Melvin the Super Hero, and Achmed the Dead Terrorist. The DVD was taped at the Warner Theater in Washington, DC. Comedy Central aired "Spark of Insanity" on 23 September, 2007.