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