Kanzume
Karakuchi Choucream
Karasu
Karasu-chan
Karma Tatsuro
Karma Tatsurou
Karoti
Karube Guri
Karuwani (Rama)
Kasei
Kasuga Souichi
Kasugano Tobari
KasuKasu
Katanashi Apollo
Katase Minami
Katsurai Yoshiaki
Kawahagi Sakana
Kawaisaw
Kawaraya
KAWAZOKO (KickTyan)
Kayama Kifumi
Kayumidome
Kazakura
Kazepana
Kazukara
Kazuki
Kazuma Muramasa
Kekemotsu
Kekocha
Kemuri Haku
Ken-1
Kenji
KENTO OKAYAMA
Keoya
Kerorin
Ketsuyuki Tamon
Key
Kiasa
Kid
Kidmo
Kihachi Uro
Kiiroi Tamago
Kikaider Reijiro
Kikuichi Monji
Kikuno Sukemaru
Kikuta
Kima-gray
Kinata
Kinntarou
Kinoko931
Kinoshita Yuichi
Kirihara Yuu
Kirimoto Yuuji
Kisaragi Meg
Kisaragi Megu
Kise Itsuki
Kisei Toukyoku (Richard Bachman)
Kisen
Kishikaisei
Kitahara Eiji
Kito Sakeru
Kiyomiya Ryou
Kizuka Kazuki
Kizuki Rei
Knuckle Curve
KNUCKLE HEAD (Syomu)
Kohachi
Kohri
Kohsaka Donten
Koikawa Minoru
Kojima Saya
Kokona