I am the the type to have a personal experience with a celebrity, but I'm too classy to bring that up.

He also has a recurring role playing himself in FX's Louie. He wrote directed and starred in the short film Borrowing Saffron (2002) which co-starred H. Katz Professional Therapist - Himself
Bored to Death - Dale Woodley
Flight of the Conchords - Todd
Wonder Showzen - Barold T.