Kenkojuku student of Gichin Funakoshi. He was a member of Funakoshi's karate association the Dai Nihon Karate-do Shotokai. In 1942, Okano was given permission to start a karate research club named Kenkokai Karate-bu in his hometown of Hachiōji, Tokyo. The club was started with the help of Suzuki Shinjo, Kaneko Isamu and Takagi Yoshitomo. He renamed the dojo Kenkojuku Budokan in 1948. Okano's karate was influenced by both Gichin and Gigo Funakoshi, and eventually this branch of Shotokan became known as Kenkojuku Shotokan. He retained the Shotokai lineage as well as the name Shotokan. Okano was on the panel of Masters
Ryu Hayabusa Ken is slain by Malth's superior, an evil sorcerer known as the Jaquio, whom Ryu then kills. Ryu later enters into a relationship with CIA agent Irene Lew, who had refused beforehand to carry out an order to terminate him. In "" (1990), Ryu foils the Jaquio's demonic master Ashtar's attempt at world domination. In retaliation, Ashtar kidnaps Irene in order to lure Ryu to his home dimension. Ryu defeats Ashtar a second time, but before he can rescue Irene, she is then captured by the Jaquio, who now bears the Dark Sword, the antithesis to Ryu's signature "Dragon Sword"