Arj Baker / Arj Barker, Chris Hardwick

San Francisco comic Arj Barker is a regular on “The Late Show with David Letterman” and “Late Night with Conan O’Brien,” and was also the host of Comedy Central’s “BattleBots.” He has performed in more than 10 countries and has appeared at the Edinburgh Fringe Festival and the Montreal Just For Laughs Comedy Festival. Most recently, he was a semi-finalist on “Last Comic Standing” and is a regular on the HBO series “Flight of the Conchords.”