The renegade Shinobi, a former member of the Anbu, was the genius of the Uchiha clan from the Hidden Leaf. In his youth, Itachi became an international criminal, destroying his entire clan, leaving only his younger brother alive. Subsequently, Itachi joined an international criminal organization, Akatsuki, whose activities sometimes led him to conflicts with Leaf's ninjas, including his younger brother, seeking revenge for his clan.