Itachi never shows emotion, He is quiet and observing. In all situations no matter how bad they are itachi stays calm and does not lose his composure. He is quite insightful and is one of the last alive members of the Uchiha clan. As a child he had been traumatized by witnessing a previous war, he was a pacifist and would often run from confrontation. He possessed the powerful Sharingan and was a ninja prodigy in his youth. After the Uchiha massacre he joined the Akatsuki and became an antihero.