Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | I Muppet | Gonzo / Dr. Bunsen Honeydew / Zoot / Waldorf | |
| Actor | Muppets 2 - Ricercati | 2014 | Gonzo / Dr. Bunsen Honeydew / Zoot / Beauregard / Waldorf (voice) |
| Actor | Dark Crystal | 1982 | Fizzgig, A Friendly Monster |
| Actor | Festa in casa Muppet | 1992 | The Great Gonzo |
| Actor | I Muppet | 2011 | Gonzo / Dr. Bunsen Honeydew / Zoot / Beauregard / Waldorf / Kermit Moopet (voice) |
| Actor | Muppet Show | Gonzo / Dr. Bunsen Honeydew / Zoot | |
| Actor | Sesamo apriti | Mr. Between, The Elephant Elevator Operator, A monster dirty face, A tooth (from Here is Your L | |
| Actor | Muppets Haunted Mansion | 2021 | Gonzo |
| Actor | Muppets Now | Dr. Bunsen Honeydew | |
| Actor | Muppets Now | Dr. Bunsen Honeydew | |
| Actor | Ecco il film dei Muppet | 1979 | The Great Gonzo / Dr. Bunsen Honeydew / Zoot / Doglion / Iraqian in El Sleezo Cafe / Pig |
| Actor | Fraggle Rock | Boober Fraggle / Uncle Traveling Matt | |
| Actor | The Muppets Mayhem Band | Zoot | |
| Actor | I Muppet nell'isola del tesoro | 1996 | The Great Gonzo / Dr. Bunsen Honeydew / Waldorf / Mudwell the Mudbunny / Zoot (voice) |
| Actor | I Muppet alla conquista di Broadway | 1984 | Gonzo / Chester - Rat / Bill - Frog / Zoot / Beauregard / Dog / Dr. Bunsen Honeydew / Penguin (voice |
| Actor | Giallo in casa Muppet | 1981 | Gonzo, Beauregard, Dr. Bunson Honeydew |
| Actor | I muppets venuti dallo spazio | 1999 | Gonzo |
| Actor | Fraggle Rock: Rock On! | Boober Fraggle | |
| Actor | I Muppet e il mago di Oz | 2005 | Gonzo / Bunsen / Waldorf / Zoot (voice) |
| Actor | A Muppet Family Christmas | 1987 | Various Characters |
| Actor | Fraggle Rock: ritorno alla grotta | Boober | |
| Actor | Il super Buon Natale dei Muppet | 2002 | The Great Gonzo / Dr. Bunsen Honeydew / Waldorf / Zoot (voice) |
| Actor | Muppets Tonight | Gonzo | |
| Actor | A Muppets Christmas: Letters to Santa | 2008 | The Great Gonzo / Waldorf / Dr. Bunsen Honeydew / Zoot (voice) |
| Actor | Le avventure di Elmo in Brontolandia | 1999 | Humongous Chicken (voice) |
| Actor | The Christmas Toy | 1986 | Rugby the Tiger/Ditz |
| Actor | John Denver and the Muppets: A Christmas Together | 1979 | Gonzo the Great, Dr. Bunsen Honeydew, and Zoot |
| Actor | Muppet Classic Theater | 1994 | |
| Actor | The Muppets Celebrate Jim Henson | 1990 | Himself, various voices |
| Actor | La prima avventura di Kermit | 2002 | Waldorf (voice) |
| Actor | Little Muppet Monsters | Gonzo / Zoot | |
| Actor | Muppet*Vision 3-D | 1991 | Dr. Bunsen Honeydew / The Great Gonzo / Zoot the Sax Player (voice) |
| Actor | Rocky Mountain Holiday with John Denver and the Muppets | 1983 | Various Muppets |
| Actor | The Jim Henson Hour | ||
| Actor | The Muppets All-Star Comedy Gala | 2012 | Gonzo / Fozzy Bear |
| Actor | I Love Muppets | 2002 | The Great Gonzo |
| Actor | The Muppet Show: Sex and Violence | 1975 | Avarice / Zoot / Righton Bird / Brewsters |
| Actor | Secret Life of Toys | Rugby Tiger / Ditz | |
| Actor | Jim Henson's Animal Show | Stinky |