Ryuichi Kosugi
Birthday: 1973-07-05 | Place of Birth: Kyōto, Kyōto Prefecture, JapanRyuichi Kosugi (小杉 竜一, Kosugi Ryūichi, born 5 July 1973) is a Japanese comedian born in Kyoto who performs tsukkomi in the comedy duo Black Mayonnaise along with his partner Takashi Yoshida. His standing position is in the left. He is represented by Yoshimoto Kogyo.
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