Jakō Ryūdōin

Jako Ryudoin and his brothers, Rokkaku and Gensho, are introduced in the anime. Jako wears a purple cloth that covers his whole body. They seek revenge on Might Guy for their father's humiliation and death. He and his brothers Manipulated Wooden dummies to attack Guy, which 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
Jako also made an appearance in Naruto: Path of the Ninja 2. In the 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.