|First Appearance||Persona 3|
|Affiliation||Gekkoukan High School|
- "Do you see? Every man must have the passionate samurai spirit within him!"
- —Mr. Ono, Persona 3
Mr. Ono is a history (Japanese) teacher in Gekkoukan High School.
Mr. Ono has an obsession on the Sengoku era and all things samurai, as evidenced by his katana-shaped external drive and his samurai helmet.
Mr. Ono uninterested in mammoths