Brian Hugh Warner, the shock rocker known as Marilyn Manson, is to guest star on the U.S. comedy series \"Eastbound & Down,\" TMZ reported Wednesday. Warner has been asking the show\'s producers for the last couple of years to give him a role on the show and they finally agreed, the celebrity news website said. Although few details about his appearance were available, TMZ said the musician will not play himself or wear his trademark gothic makeup during the cameo. Now in its fourth and final season, the series stars Danny McBride as a former professional baseball pitcher who returns to his hometown middle school to teach physical education after his sports career tanks.