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