- Helped found the Pickle Family Circus in San Francisco.
- Performed with the Cadet Drum and Bugle Corp at the 1996 Summer Olympics in Atlanta.
- In 1984, became the first Oberlin alum (and first performance artist) to be named a MacArthur Fellow.
- Appeared in the music video for Bobby McFerrin's "Don't Worry, Be Happy" in 1988.
- In 2010, received the first New Victory Arts Award for bringing arts to children, and children to the arts.
- 2005, Tony — Actor (Play): Winner
- 1989, Tony — Actor (Play): Nominee
- 1989, Tony — Choreographer: Nominee
- 1989, Tony — Director (Play): Nominee
- 1989, Tony — Play: Nominee
- Elizabeth Irwin — Mother
- Martha Irwin — Wife
- Kimi Okada — Ex-wife
- Horace Irwin — Father
- Santos Patrick Morales Irwin — Son
- Oberlin College, Oberlin, OH (1973); attended Ringling Bros. and Barnum & Bailey Clown College, Venice, FL
Season 10, Episode 23
- Birth Name: William Mills Irwin
- Birth Place: Santa Monica, CA
- Birthday: April 11, 1950, Aries
- Profession: Actor, Clown
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