Shisui Uchiha (うちはシスイ, Uchiha Shisui), renowned as and , is a Jōnin-level Shinobi hailing from Konohagakure's Noble Uchiha Clan. He is the younger brother of the Fifth Hokage and current head of the Uchiha Clan, Obito Uchiha, as well as the son of the famed war hero, Kagami Uchiha. From his childhood and until his adulthood, he was partnered with Shizune Katō and Kōga Inuzuka as a Hunter-nin, under the command of Kushina Namikaze.