Gotsu Totsu Kotsu (兀突骨) is a Japanese death metal band formed in 2000. The band name was taken from the name of the warlords that appeared in the Three Kingdoms of China called King Wutugu. Their music is heroic death voice with thrash metal influences, insane bass and aggressive guitar sounds. The band concepts are about Japanese history and folklore. They refer themselves as "Samurai metal" instead of death metal.