Franklin "Frank" Caliendo (born January 19, 1974) is an American comedian and impressionist, best known for his work on the Fox Network television series MADtv, and has been the in-house prognosticator for Fox NFL Sunday. In 2007 and 2008, he performed his impersonations on his own show, Frank TV, which aired on TBS. He is known for his impressions of Charles Barkley, NFL color commentator John Madden, sportscaster Jim Rome, comedian Robin Williams, actor William Shatner, and United States Presidents George W. Bush and Bill Clinton, and for hi…