Guest Stars Gary Coleman voices Principal Shepherd Mike Desilets voices Additional Voices Damien Fahey voices Additional Voices John Viener voices Announcer Kevin Michael Richardson voices Additional Voices Julius Sharpe voices Additional Voices Rachael MacFarlane voices Secretary Jack Quaid voices Cool Kid #2 Jimmy Tatro voices Cool Kid #1 Carlos Alazraqui voices Piñata JP Karliak voices Additional Voices Gary Janetti voices Male Cheerleader Andrew Santino voices Additional Voices Josh Robert Thompson voices Tommy Lee Jones Haley Tju voices Cheerleader Patrick Stump voices Sex Jingle Singer Steve Callaghan voices Student #3