Itachi Uchiha is a fictional character in the Naruto manga and anime series created by Masashi Kishimoto. Itachi is the older brother of Sasuke Uchiha and is responsible for killing all the members of their clan, sparing only Sasuke. Though treated as an antagonist for much of the series, it is later revealed that Itachi slaughtered his clan in order to prevent a coup d'état which would result in a war, and that he had been acting in both Konoha's and Sasuke's best interests for the entire series. Itachi has been featured in the Naruto films, has appeared once in an original video animation of Naruto, and is a playable character in most of the video games from the series. Itachi ... more on Wikipedia