Ryuuken

The previous successor to the Hokuto Shinken style. Ryuken Ryken? was the sifu who adopted and trained Raoh Toki Jagi and Kenshiro in the Hokuto Shinken style. After he chose Kenshiro as his successor he was slain by Raoh a feat made possible by chance he suffered a stroke at the moment he was about to seal Raohs fist. Kenshiro did not know the real cause of Ryukens death having been told that Ryuken died from illness until Toki revealed the shameful secret during their first battle. Both Kenshiro and Raoh reflect on Ryukens teachings during difficult situations. Ryuken appears in Fist of the Blue Sky under his former identity Ramon Kasumi. Source: Wikipedia