Joan Rivers faces a gauntlet of celebrity insulters including Carl Reiner, Gilbert Gottfried, Greg Giraldo, Jeffrey Ross, Mario Cantone and more. Meet the line-up here.
He's written for Roseanne, hosted the Best Damn Sports Show Period and cornered the market on comic relief in movie blockbusters.
He's been a wedding planner in the Sex and the City movie and a "Laugh Whore" in his own stand-up special.
One of Entertainment Weekly's "Comedy Stars of Tomorrow," Whitney was a series regular on MTV's Punk'd.
He's a sitcom superstar, as Ray Romano's big brother on Everybody Loves Raymond and 'til Death on FOX.
Socially provocative and broadly funny, this stand-up is a regular at top New York City clubs like the Gotham Comedy Club and the Comedy Cellar.
One of today's most memorable comics, Gilbert regularly performs live to sold-out audiences across North America.
Robin came up from the mean streets of Baltimore to become the long-time co-host of shock jock Howard Stern.
A comic giant, he's a nine-time Emmy Award-winning actor, director, producer, writer and comedian.
The "Roastmaster General" has had many show-stopping performances at celebrity roasts which inspired New York Magazine to crown him "The Meanest Man in Comedy".