Itachi Uchiha: Itachi Uchiha slaughtered his own clan but left his younger brother, Sasuke, alive in hopes that one day Sasuke can kill him. When Itachi was 7 he graduated from the ninja academy and when he was 8, he mastered the sharingan. He became cheif of Anbu Black-Ops when he was 13. Itachi has the meygenkyo sharingan by the fact that he murdered his best friend. Itachi joined the Akatsuki to try to get power and help Pein accomplish his goal. Madara Uchiha was banned from the leaf village but snuck back in and secretly trained Itachi for the assasination of his clan. Itachi is from the village hidden in the Leaf.