Mark Douglas: Mark, Various, Santa, Eminem, Mark Douglas, Batman, Lord Gaga, Self, Adam Lambert, Billy Ray Cyrus, John Mayer, Lawyer, Man, Vocals, 50s Guy, Alfred, Angus Young, Austin Powers, Bill Clinton, Blake Sheldon, Boris, Boss, Brian Johnson, Bruno Mars, Bum, Carly's Husband, Coach Beiste, Cockroach, Columbo, Cowboy, Dead Guy, Delivery Guy, Dr. Drew, Dracula, Drummer, Ed's Trainer, Gordon, Gordon's Son, Green Lanterrn, Guitar Player, Haymitch Abernathy, Hipster, Hobo, Horse, Interviewer, Jerry Seinfeld, Jock, Joker, Justin Bieber, Justin Timberlake, Justin's Dad, Kanye West, Kurt's Dad, Macklemore, Marc Anthony, Master Control Program, Michael McDonald, Moon Face, Mucushead, Mumford Band Member, Musician, Nervous Guy, Patient, Peanut Eminem, Pee-Wee Herman, Police Officer, Pop Chef Host, President Snow, Priest, Red Ranger, Regis, Robot, Rockstar, Rupert Sanders, Scientist, Sexy Bee, Singer, Sphinx, Steven Tyler, Tied-Up Guy, Tim Gunn, Timothy Matthews, Vince Gilligan, Walter White, Will Schuester