Takanori Ōyama (大山 鎬則, Ōyama Takanori; born March 8, 1974) is a Japanese actor, voice actor and playwright from Aichi Prefecture, Japan. He is probably most known for the roles as Kanji Sasahara (Genshiken) and Yasunobu Hattori (Suzuka).
Source: “Takanori Ōyama”, English Wikipedia (CC BY-SA 4.0), excerpt