1970-2013
Sesame Street
(TV Series)
Two-Headed Monster / Herry Monster / The Count / ...
2011
The Muppets
Telethon Announcer (voice, uncredited)
1996-2002
Blue's Clues
(TV Series)
Sock Puppet / Steve's Friend
2000
Muppet Race Mania
(Video Game)
Floyd Pepper / Robin the Frog / Statler / ... (voice)
1999
Cinderelmo
(TV Movie)
Count von Count / Mr. Johnson (voice)
1996-1998
Muppets Tonight
(TV Series)
Statler / Mama Fiama / The President / ...
1997
Elmo Says Boo
(Short)
Count von Count / Frazzle / Maurice Monster (voice)
1987-1991
Shalom Sesame
(TV Series)
The Count / Bartender / Maurice Monster / ...
-
Passover
(1991)
... Hot Pink Alphabeat (voice)
-
Chanukah
(1990)
... The Count / Biff (voice)
1989-1990
The Jim Henson Hour
(TV Series)
Beard / Whatnot / Garbage / ...
-
Food
(1990)
... Beard (voice)
-
Garbage
(1989)
... Beard / Garbage / Raccoon / ... (voice)
1988
Muppet Madness
(Video short)
Dr. Julius Strangepork / Lew Zealand / Announcer (voice)
1987
Sing Along
(Video short)
Biff / Farley / Two-Headed Monster (voice)
1983-1987
Fraggle Rock
(TV Series)
Gobo Fraggle / Pa Gorg / Marjorie the Trash Heap / ...
-
Change of Address
(1987)
... Gobo Fraggle / Marjory the Trash Heap / Pa Gorg / ... (voice)
1985
Follow That Bird
Count von Count / Herry Monster / Additional Muppets (voice)
1976-1981
The Muppet Show
(TV Series)
Floyd Pepper / Announcer / Dr. Julius Strangepork / ...
-
Chris Langham
(1981)
... Pops / Robin the Frog / Floyd Pepper (voice)
-
Debbie Harry
(1981)
... Robin the Frog / Dr. Julius Strangepork / Mulch / ... (voice)
-
Gene Kelly
(1981)
... Dr. Julius Strangepork / Announcer / Wolfhound / ... (voice)
1975-1976
Saturday Night Live
(TV Series)
Scred / Scred (segment 'The Land of Gorch') / Scred (segment 'Dregs and Vestiges')
1974
Out to Lunch
(TV Movie)
The Count / Herry Monster / Anything Muppet Dog (voice)
1996
Muppet Treasure Island
(performer: "Shiver My Timbers", "Sailing for Adventure", "Cabin Fever", "Professional Pirate", "Boom Shakalaka" (uncredited))
1992
The Muppet Christmas Carol
(performer: "Scrooge", "Marley And Marley", "It Feels Like Christmas", "Christmas Scat", "Bless Us All", "Finale - When Love Is Found / It Feels Like Christmas")
1990
Sesame Songs: Rock & Roll
(Video short) (performer: "Monster in the Mirror", "Count Up to Nine", "Forty Blocks from My House")
1987
Sing Along
(Video short) (performer: "What's the Name of That Song?" - uncredited)
Fraggle Rock
(TV Series) (1 episode, 1983) (performer - 59 episodes, 1983 - 1987)
1986
The Christmas Toy
(TV Movie) (performer: "Toys Love to Play", "Try the Impossible")
1984
The Muppets Take Manhattan
(performer: "Together Again", "Saying Goodbye", "I'm Gonna Always Love You", "William Tell Overture", "Right Where I Belong", "Somebody's Getting Married", "Waiting for the Wedding", "He'll Make Me Happy", "Saying Goodbye / Together Again (Closing Medley)")
1981
The Great Muppet Caper
(performer: "Happiness Hotel", "Couldn't We Ride", "Finale: Hey A Movie! / The First Time It Happens")
1976-1980
The Muppet Show
(TV Series) (performer - 60 episodes)
-
Lynda Carter
(1980)
... (performer: "With a Little Help From my Friends", "While My Guitar Gently Weeps", "Gentlemen-Rankers" - uncredited)
-
John Denver
(1979)
... (performer: "Why Can't We Be Friends?")
1979
John Denver and the Muppets: A Christmas Together
(TV Movie) (performer: "The Twelve Days of Christmas" (uncredited), "Christmas Is Coming" (uncredited), "When the River Meets the Sea", "Little Saint Nick" (uncredited), "It's in Every One of Us" (uncredited), "Silent Night/Stille Nacht" (uncredited), "We Wish You a Merry Christmas" (uncredited))
1979
The Muppet Movie
(performer: "Can You Picture That", "Finale: The Magic Store")