Itachi

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 wiping all the members of their clan, sparing only his younger brother. He appears as an antagonist working with the criminal organization Akatsuki and serves as a primary adversary to Sasuke throughout the series.