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