Jakō Ryūdōin

Jako Ryudoin is a character of the anime filler arc.

Filler Arc
Jako 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. He also created the temple in which to enclose Guy and Lee.

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. He always, nearing the end of the game appears to try to stop Naruto from getting the Mirrors, by setting traps. Jako masters the usage of the Fire Style: Fire Tiger Explosion Technique.