Bujin Takemikazuchi

Bujin Takemikazuchi is a guild member of Ainz Ooal Gown and regarded as one of the 41 Supreme Beings by the NPCs of the Great Tomb of Nazarick. He is the creator of Cocytus. He is a warrior, wielding two tachi which he dubbed "God Slayer Blade" and "Takemikazuchi Mk 8." (Source: Overlord Wikia)