Itachi Uchiha

Itachi Uchiha was one of the supporting characters in the Naruto franchise. He was a ANBU Captain and a prodigy from Konohagakure's famed Uchiha clan. He had joined the criminal organization Akatsuki to serve as a double-spy, to later become an S-rank missing-nin as he participated in murder of his entire clan on orders from higher-ups in what would become known as the Uchiha clan massacre, defecting from the village subsequenly.