Gin Ishida

A very serious, honorable, and stern young man who is the older brother of Fudomine's Tetsu Ishida. Gin is the inventor of the powerful shot, Hadokyu, which is composed of 108 progressively stronger techniques. He can also nullify other's use of Hadokyu. He is thought to be the strongest power player in Japan, until he breaks his wrist in his match against Takashi Kawamura in the Nationals. Takeshi Konomi has stated that Gin is his favorite character from Shitenhouji.

(Source: Wikipedia)