His style has been described as 'a dressed-down, more digestible version of Don Rickles with multiple personality disorder'.

Dunham also starred in The Jeff Dunham Show, a series on the network in 2009. He has six specials that run on Comedy Central: Arguing with Myself, Spark of Insanity, Jeff Dunham's Very Special Christmas Special, Controlled Chaos, Minding the Monsters, and All Over the Map.

Jeffrey Douglas Dunham (born April 18, 1962) 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.