Marc Maron is an American stand-up comedian, actor and podcaster. He is best known as the host of WTF with Marc Maron, which is one of the most popular podcasts in the world. Maron has been a frequent guest on The Late Show with David Letterman and made over 44 appearances on Late Night with Conan O'Brien, more than any other stand-up performer.
He is the eponymous star and writer of the semi-autobiographical sitcom, Maron.
Maron's first - and, so far, only - appearance on The Little Dum Dum Club came in the 26th episode of the podcast, which was posted on April 15th, 2011.
Maron was the second-ever international guest on the podcast, following Paul F. Tompkins.