Sasuke Uchiha!!
I have a favorite character from an anime called "Naruto". The character name is "Sasuke Uchiha", he is a ninja that chose the wrong path. Sasuke is one of the last person that is alive in the Uchiha clan. He has a brother named "Itachi Uchiha" that killed his family and his whole clan just for world peace. Sasuke caught Itachi killed his mom and dad in front of his eyes. After his older brother, Itachi, slaughtered their clan, Sasuke made it his mission in life to avenge them by killing Itachi. That's how Sasuke chose to become a villain. He joined a team called "Akatsuki" not knowing that his brother is also in that team including another survivor in his clan. He later met his old friend, Naruto and they fought until both of their arms got cut off. Sasuke didn't get a replacemenrt arm but Naruto did. Sasuke later realized that he chose the wrong path and later became a good citizen along with being the most powerful ninja in Konoha