Hiroyuki Yoshino (吉野 裕行 Yoshino Hiroyuki), born February 6, 1974 in Chiba Prefecture, is the Japanese voice actor of Ohyama (as well as a starter from ep. 6, "Baseball Boy" from ep. 10, Blue Three from ep. 13, "Male Student" from ep. 23, and "Male Student B" from ep. 12) in the Azumanga Daiohanime. He has also appeared in Bleach, Fullmetal Alchemist, Hunter x Hunter, InuYasha, Love Hina, The Prince of Tennis, School Rumble, Soul Eater, Highschool of the Dead, Pokémon, Hikaru no Go, Shugo Chara!, Shaman King, Revolutionary Girl Utena and in various games. His blood type is B. He loves soccer, sports games in general and computer games. He tends to play ordinary high school students, often bishōnen characters.