I can't believe Brendon did 95% percent of the vocals:
Brendon Small as Nathan Explosion, Skwisgaar Skwigelf, Pickles, William Murderface, Young Toki Wartooth, Charles Offdensen, Ishnifus Meaddle, Edgar and Eric Jomfru, Magnus Hammersmith, Dr. Rockso, Dethklok Minute Host, All Klokateers, Church of the Black Klok Monks, Old guitar teacher, Strange Man (from Depths of Humanity), Fans