Bill Bellamy

Comedian and Actor best known for Russell Simmons' Def Comedy Jam

Tim Hawkins

Christian Youth Pastor, Musician & Comedian

Steve Hartman

CBS News Correspondent & Host of "On The Road;" Known for his Series, "Everybody Has a Story"

Colin Mochrie and Brad Sherwood

Stars of the Emmy-Nominated "Whose Line Is It Anyway?"

Rich Little

Undisputed Master of Mimicry and Voice Actor

MythBusters Hosts

Jamie Hyneman and Adam Savage

Jamie Kennedy

Actor & Comedian; Best Known for "The Jamie Kennedy Experiment"

Penn and Teller

The Consummate Pairing of Skeptics & Magicians With a Psychotic Twist

Rob Corddry

Actor, Comedian, Correspondent for "The Daily Show with Jon Stewart"

Jay Mohr

Actor, Comedian & Bestselling Author

Ed Helms

Actor, Comedian & Musician; Known "The Office" & "The Hangover" Trilogy

Ed Helms Needs a Mouth Medic While Eating Spicy Wings | Hot Ones

Colin Quinn

Stand-Up Comedian & Writer; Known for "Saturday Night Live" & "Trainwreck"

Gary Gulman

Stand-up Comedian; Performed on "The Tonight Show with Jay Leno," "The Late Show with David Letterman," and "Conan"

Joe Piscopo

American Comedian and Actor

Bill Geist

Emmy Award-winning Correspondent for CBS

Roseanne Barr

Stand-up Comedian; Star of ABC's "Roseanne"

Colin Mochrie

Former Second City Comic Actor; Star of "Whose Line Is It Anyway?"

Anjelah Johnson-Reyes

Comedienne, Actress & Former NFL Cheerleader

Arsenio Hall

Stand-Up Comedian, Actor & Talk Show Host

Gregg Fraley

Writer, Speaker, Advisor