2021

(1 episode) as Santa Claus (voice)

2017

(14 episodes) as Self

2016		Crisis in Six Scenes (6 episodes) as Al
2016		Madoff (4 episodes) as Gregory Perkins

2014		Late Night with Seth Meyers (2 episodes) as Self
2014		The Tonight Show Starring Jimmy Fallon (1 episode) as Self (1 episode)

2012		Gotham Comedy Live (1 episode) as Self - Host
2012		Teenage Mutant Ninja Turtles (1 episode) as Vic / Spider Bytez (voice)
2012		Comedians in Cars Getting Coffee (1 episode) as Self

2010		Robotomy (1 episode) as The Gore-Ax/The Scrap Metal Spirit of Insanus (10 episodes) as Gore-Ax
2010		Scooby-Doo! Mystery Incorporated (5 episodes) as Mr. E (voice) (1 episode) as Mr. E / Ricky Owens (voice) (17 episodes) as Mr. E (voice)
2010		The Green Room with Paul Provenza (1 episode) as Self

2009

(1 episode) as Self

2008		The Penguins of Madagascar (1 episode) as Dale (voice)
2008		Lewis Black's Root of All Evil (18 episodes) as Self - Host

2007

(2 episodes) as Professor Crawley

2006

(1 episode) as Self

2005

(1 episode) as Self

2003		Duck Dodgers (1 episode) as Manobrain (voice)
2003		Real Time with Bill Maher (1 episode) as Self

2000		Harvey Birdman, Attorney at Law (4 episodes) as The Deadly Duplicator (voice)
2000		The Brak Show (2 episodes)

1999		Law & Order: Special Victims Unit (1 episode) as B.J. Cameron
1999		SpongeBob SquarePants (2 episodes) as Santa Claus (voice)

1998

(3 episodes)

1997

(4 episodes) as Self

1996

(1 episode) as Self - Guest Correspondent (5 episodes) as Self

1993		Late Night with Conan O'Brien (3 episodes) as Self - Comedy Guest (8 episodes) as Self - Guest
1993		Homicide: Life on the Street (1 episode)

1992

(1 episode)

1990

(1 episode) as Director Franklin Frome

1987

(5 episodes) as Bernie

1979

(1 episode) as Self

2008

(18 episodes) … Producer