Rokkaku Ryūdōin

Rokkaku is a character of the anime filler arc.

Filler Arc
Rokkaku and his brothers were seeking revenge on Might Guy for their father's humiliation and death. He and his brothers Manipulated Wooden dummies to attack Guy, which obviously failed due to Guy's great Taijutsu skills.

Naruto: Path of the Ninja 2
Rokkaku made an appearance in Naruto: Path of the Ninja 2 video game. In the video game he is trying to conquer the world using the spirit beast. With the spirit beasts' evil spirits he would force others to fight against allies. In the end, Rokkaku is killed, Gensho kills Jako, and Naruto defeats Gensho along with the Spirit Beast. Rokkaku always appears to try to stop Naruto from getting the Mirrors.