Penn Jillette (from left), Steven Banks as Billy the Mime and Paul Provenza arrive at the Los Angeles premiere of "The Aristocrats" July 20, 2005, in Los Angeles. Jillette and Provenza co-created the documentary film where one hundred superstar comedians tell the same obscene joke--one shared privately by comics since Vaudeville. (UPI Photo/John Hayes)
LOS ANGELES, Oct. 8 (UPI) -- Comedy titans Jonathan Winters, Eddie Izzard, Roseanne Barr and Drew Carey will be seen riffing with each other in a new U.S. comedy series, Showtime said.