Shuten Tamane (酒呑童子, Tamane Shuten), often referred to as the Fallen Traitor or the Great Deciever, better known by his moniker the Knight of Assimilation (きしきし, Kishi no Sesshu) was an enigmatic and powerful Shinigami who was formerly the Vice-Captain of the Ninth Division sometime after the leave of Dōkeshi Fujiwara, the Captain of the Seventh Division. He gained a fierce reputation as a no-nonsense and by the book Shinigami who would perform physical punishment on those violated the rules in front him. Otherwise, he was regarded as a laid back and moody person that liked to keep to himself and explore the vast Shinigami Records for hidden knowledge.