Acting

2019

(9 episodes) as Cleve Kelso (voice)

2012		Perception (1 episode) as Bill Duffy
2012		The Legend of Korra (1 episode) as Additional Voices (voice)

2010

(2 episodes) as Agent Todd (voice)

2009

(10 episodes)

2006

(3 episodes) as Self

2005		How I Met Your Mother (1 episode) as Chuck Gerussi
2005		Bones (1 episode) as Dick Scarn (1 episode) as Andrew Jursic
2005		Weeds (1 episode) as Dr. Bertner

2003

(5 episodes) as Trevor

2001		Justice League (2 episodes) as Ernst (voice) (2 episodes) as Harv Hickman (voice)
2001		The Legend of Tarzan (6 episodes) as Hugo (voice)
2001		Primetime Glick (1 episode) as Bob Hope

2000

(1 episode)

1999

(5 episodes)

1998		That '70s Show (1 episode) as Chris
1998		CatDog (1 episode) as Mean Bob (voice) (1 episode)

1997

(2 episodes) as Lane Prately (voice) (uncredited) (1 episode) as Gretta / Lane Pratley (voice) (1 episode) as Ambrose (voice) (2 episodes) as (voice) (1 episode) as Steve Goodman / T. Anderson Kearney (voice) (1 episode) as Toothless Loser (voice) (1 episode) as Wayne (voice) (2 episodes) as Lane Pratley (voice) (1 episode) as Lane Pratley / Mr. Burton (voice) (1 episode) as Jimsey (voice)

1994

(1 episode)

1993		Grace Under Fire (112 episodes) as Russell Norton
1993		Animaniacs (1 episode) as King Arthur (voice)

1992

(39 episodes) as Additional Voices (voice)

1990		Bobby's World (1 episode)
1990		Parker Lewis Can't Lose (1 episode) as Lionel Tower
1990		The Dave Thomas Comedy Show (5 episodes)

1989		The Simpsons (2 episodes) as Bob Hope (voice)
1989		Camp Candy (50 episodes)

1984

(4 episodes)

1982

(1 episode) as Himself

1981

(40 episodes)

1976

(79 episodes)

1975

(1 episode) as Self - Host

1972

(21 episodes)

Writing

2013

(2 episodes) … Writer

2006

(3 episodes) … Writer

2005

(1 episode) … Writer

1993

(1 episode) … Writer

1990

(1 episode) … Writer

1981

(18 episodes) … Writer

Creator

—

… Creator

2009

… Creator