Jeffrey Douglas Dunham is an American ventriloquist, stand-up comedian and actor who has also appeared on numerous television shows, including Late Show with David Letterman, Comedy Central Presents, The Tonight Show, and Sonny with a Chance. He has seven specials that run on Comedy Central as well as two Netflix specials among others. He also starred in The Jeff Dunham Show, a series that ran in 2009. He has a star on the Hollywood Walk of Fame and holds the Guinness Book of World Records record for "Most tickets sold for a stand-up comedy tour" for his Spark of Insanity tour.