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