Details: This poster shows Walter. On the left it says 'Shut the Hell Up!' and at the bottom it says 'Jeff Dunham'.
Jeff Dunham (born April, 1962) is an American ventriloquist and stand-up comedian who has also appeared on numerous television shows, including Star Search, Late Show with David Letterman, Comedy Central Presents, The Tonight Show and Sonny With a Chance. He is familiar to Comedy Central audiences for his three specials on that network: Jeff Dunham: Arguing with Myself, Jeff Dunham: Spark of Insanity, and Jeff Dunham's Very Special Christmas Special. Dunham also starred in The Jeff Dunham Show for one season on the network in 2009. Dunham has been credited with reviving ventriloquism, and doing more to promote the art form than anyone since Edgar Bergen.