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 kick a whole lot of ass in fantastically gruesome ways over the span of his 20-year career." "PLAY" featured Ryu from "Ninja Gaiden Sigma" in their 2011 selection of the top ten PlayStation ninjas, for his ability, they wrote, to "decapitate fourteen enemies in the space of twelve seconds." "Complex" ranked Ryu as the second-"swiftest" ninja in 2012. Lisa Foiles of "The Escapist" named Ryu ("one sexy ninja") first in her 2014 list of the top five katana wielders. In 2009, GameDaily listed the "badass ninja" in their top 25 video game archetypes, using Ryu as an example, and featured