Also known as: 有野晋哉, 有野課長
A member of the comedy duo Yoiko along with Hamaguchi Masaru. He used to be the designated boke, but has since been able to switch roles with his partner. He is well known among the Akihabara crowd for his appearances in the show Gamecenter CX, where he plays through retro games and stands as section chief of the fictional company.