Itachi Uchiha is the big brother of Sasuke Uchiha. He masters Fire-style and strong Gen-jutsu. He also has the Sharingan, which he also have upgraded to Mangekyo Sharingan. He is now deceased. He is a missing-nin(rogue ninja in the english dub)of S-rank even through he once was a Hidden Leaf Anbu. He killed the entire Uchiha Clan with Madara Uchiha.