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