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