A regular on such venerable shows as Late Night with Conan O'Brien, The Late Show with David Letterman, and Tough Crowd with Colin Quinn, Marc Maron is known for his incisive cultural and political commentary, mystical ruminations, and neurotic insights into human nature. Considered one of the hottest alternative comics in the business, Marc has appeared on just about every television show that books comedians and has had roles in several feature films.