Legend has it that his most fearsome characteristics included having all his teeth at birth and being of enormous size, which struck fear into the hearts of all his neighbors; after transforming into an oni, he encountered Shuten Doji and became his underling, and then together they plotted to terrorize the capital (Kyoto).
生まれた頃から歯が生え揃っていた、巨体であったなど周囲から恐れられ、鬼と化した後は酒呑童子と出会い舎弟となり、共に京を目指した。