He is the principal of Kaimei high school and has a grandson named Yoshihiko in the Sket Dance franchise.
During Kaimei Rock Festival arc, Switch explains that the principal received an electric guitar from a musician from London. Genzaburo starts the Kaimei Rock Festival events in the school.
Genzaburo, who is created by Kenta Shinohara, has no information regarding any inspiration used to create him. He first appears in Sket Dance volume 3 and episode 16. His Japanese voice actor is Kenichi Ogata.