Kōdōkan Shitennō

Four Guardians of the Kōdōkan
Japanese name
Kanji講道館四天王
Hiraganaこうどうかんしてんのう

Four Guardians of the Kōdōkan refers to the four notable judo competitors of the early Kōdōkan: Tomita Tsunejirō, Yamashita Yoshitsugu, Yokoyama Sakujiro, and Saigō Shirō.