ONOZUKA Hayato (小野塚勇人)

ONOZUKA Takashi (小野塚貴志)

ONSHIN Futsu (園心ふつう)

ONSOKU Zekū (己即是空)

Onsokuhedoban Kubimogeta (音速へどばん首もげ太)

ONUKI Makuri (大貫まくり)

ŌNUKI Yūsuke (大貫勇輔)

ŌNUMA Ryūki (大沼隆揮)

ŌNUMA Shin (大沼心)

ONUMA Yūichi (小沼雄一)

ŌNUTA Ryōta (大沼良太)

OOBA Sayuri

OŌCHI Natsumi (小桜池なつみ)

OOGA Hiromichi

OOGAMI Youichi (大神洋一)

OOHA Maiko

OOHARA Roron (大原ロロン)

OOHASHI Eharu

OOHASHI Sachiko

OOI Masakazu (大井昌和)

OOISHI Kōji

OOISHI Naho (オオイシナ)

ŌOKA Daisuke (大岡大介)

ŌOKA Shinichi (大岡新一)

ŌOKA Shōhei (大岡昇平)