Rokkaku Ryūdōin

Rokkaku Ryudoin 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. Next they used a Genjutsu to make it appear to Lee and Guy that they were fighting a wooden dummy, instead of each other. But by tapping there feet in morse code, Lee and Guy managed to communicate and figure out a strategy to defeat the Genjutsu. Finally, using Hidden Lotus, they broke the jutsu because it could not keep up with there amazing speed after they opened both of their Chakra Gates to level five. It is then revealed that Guy had great revere for Rokkaku's father and that he was a great and brave man who wished to fight Guy again one day. The brothers all feel as though they misinteruppted their father's departing words. Sakura shows up with a group of medic-nin and the episode ends.

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 appears to try to stop Naruto from getting the Mirrors. Rokkaku is also an accomplished user of the Fierce Dragon Palm Technique and the Almighty Barrage Technique.

Quotes

 * "They are fighting eachother without even knowing it, how father would have enjoyed this."