Mike Judge

Beavis / Butt-Head (voice)

James Hetfield

Self (voice)

Lars Ulrich

Self (voice)

Kirk Hammett

Self (voice)

Robert Trujillo

Self (voice)

Bootsy Collins

Self (voice)

Matt Stone

Kyle Broflovski / Kenny McCormick (voice)

Brendon Small

Nathan Explosion (voice)

Benji Webbe

(voice)

Trey Parker

Eric Cartman / Stan Marsh (voice)