Mike Judge

Beavis / Butt-Head (voice)

James Hetfield

James Hetfield (voice)

Lars Ulrich

Lars Ulrich (voice)

Kirk Hammett

Kirk Hammett (voice)

Robert Trujillo

Robert Trujillo (voice)

Bootsy Collins

Bootsy Collins (voice)

Matt Stone

Kyle Broflovski / Kenny McCormick (voice)

Brendon Small

Nathan Explosion (voice)

Benji Webbe

(voice)

Trey Parker

Eric Cartman / Stan Marsh (voice)

Lemmy Kilmister

Lemmy (voice)