Caustic comic Denis Leary gets a taste of his own medicine when Comedy Central hosts a celebrity roast in his honor, emceed by Jeff Garlin. Dishing out the insults are Christopher Walken, Conan O'Brien, Jon Stewart, Michael J. Fox and more.

Sean Hayes serves as roast master as it is Alec Baldwin's turn in the hot seat. Robert De Niro, Jeff Ross, and Caitlyn Jenner among others take jabs at the actor/comedian.

Cheech and Chong, the stoner pair who dominated the comedy scene in the 1970s and ’80s and recently reunited for their Light Up America tour, take their place in the hot seat to be roasted by close friends and fellow comedians. The duo made a name for themselves with their drug-laced humor, which kept audiences rolling in the aisles with such comedy routines as “Earache My Eye,” “Basketball Jones,

A "tribute" to comedian Tommy Chong, given to him by many of his fellow comedians.

It's Donald Trump's turn to step in to the celebrity hot seat for the latest installment of The Comedy Central Roast.

It's Roseanne Barr's turn to step in to the celebrity hot seat for the latest installment of The Comedy Central Roast.

The Shaquille O'Neal Celebrity Roast is a unique urban comedy special that combines the world of sports and entertainment. In an unconventional format, megastar Shaquilee O'Neal rounds up a dream team of some of comedy's hottest stars for an hour of non-stop laughter all at Shaq's expense. Hosted by Grammy award winner and talk show host, Queen Latifah, this hilarious program features a star-studded roster including Cedric The Entertainer, Steve Harvey, D.L. Hugley, Bill Bellamy, Jimmy Kimmel, Joe Torry, Mark Curry, Tommy Davidson, Michael Colyar, Mo'nique, and the legendary Dick Gregory.

Several roasters, and the master himself Kevin Hart, make fun of Justin Bieber.

Lisa Lampinelli hosts the Comedy Central Roast of Larry the Cable Guy with Toby Keith, Warren Sapp, Jeff Foxworthy, Greg Giraldo, Nick DiPaolo, Gary Busey, Jeff Ross and Maureen McCormack among others.

Blue collar comedian Jeff Foxworthy is skewered by his fellow comedians, friends, and others.

Jeff gives the most dangerous – and enlightening – roast of his life from behind the walls of the Brazos County Jail in Bryan, Texas. In this special he touches on topics surrounding incarceration such as race, solitary confinement and the death penalty.

The aggravatingly amiable star of "Full House," "America's Funniest Home Videos"