Kotaro
Fūma Kotarō
Kotaro Lives Alone
Bushōzan Kotarō
Kōtarō Tanaka
Kotaro Fujikawa
Kotaro Shimizu
Kotaro Arima
Kōtarō Makaritōru!
List of Kōtarō Makaritōru! characters
Kotaro Yamazaki
Kōtarō Yoshida
Kotaro Tachikawa
Kotaro Suzumura
Kotaro Umeda
Kōtarō Takamura
Kōtarō Nakamura
Kōtarō Satomi
Kōtarō Kiyomiya
Kōtarō Nakagawa
Kotaro Koizumi
Kotaro Tamura
Kotaro Yanagi
Kotaro Oshio
Kōtarō Nogami
Kōtarō Isaka
Kotaro Uchikoshi
Kōtarō Yoshida (actor)
Kotaro Daigo
Kōtarō Iizawa
Kotaro Takahashi
Kotaro Yatabe
Kotaro Hayashida
Kotaro Takeda
Kotaro Mizumachi
Kotaro Ikeda
Kotaro Miyachi
Kotaro Kurebayashi
Kotaro Omori
Kotaro Tokunaga
Kotaro Higashino
Kotaro Nukaga
Migishi Kōtarō
Kotaro Suzuki
Kotaro Taniguchi
Kotaro Fujiwara
Kotaro Iba
Kotaro Uchino
Kotaro Honda
Kōtarō Tanaka (actor)
Kotaro Azuse
Kotaro Higashi
Kōtarō Tanaka (judge)
Kotaro Kume
Kotaro Sakurai
Kotaro Nagasaki
Kotaro Yamasaki
Kotaro Inaba
Kotaro Matsushima
Kotaro Yoshino
Kotaro Fukuma
Kotaro Hayashi
Kotaro Tatsumi
Kotaro Otake
Kotaro Shimbara
Kōtarō Yoshida (martial artist)
Kōtarō Tanaka (photographer)
Kotaro Shimomura
Kotaro Kiyooka
Kotaro Yamada
Kotaro Umeji
Koutaro Nishiyama
List of Angelic Layer characters
Zombie Land Saga
Kamen Rider Black
Kotaro Shimano
World Heroes
List of Negima! Magister Negi Magi characters
List of Gintama characters
List of Assassination Classroom characters
Nakamura Shikan VII
List of Hayate the Combat Butler characters