personnel virtual personnel from metalocalypse dethklok nathan explosion -- lead vocals , lyricist skwisgaar skwigelf -- lead , rhythm guitar toki wartooth -- rhythm guitar pickles -- drums , vocals on '' hatredcopter '' and '' kill you '' william murderface -- bass dick '' magic ears '' knubbler -- production , engineering , mixing charles foster offdensen -- legal council , management , cfo all songs recorded at mordhaus studios , except '' murmaider '' and '' go into the water '' that were recorded miles below the earth 's surface in the dethsub studio deep within the mariana trench , and '' better metal snake '' , '' the lost vikings '' , and '' thunderhorse '' , aka '' the viking trilogy '' , recovered from sessions deleted by nathan explosion .