Ryuichi 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.
KNOWN FOR
Ningen Kansatsu Variety MONITORING
2012
Gaki no Tsukai No Laughing Batsu Game
2009
バナナマン日村が歩く!ウォーキングのひむ太郎
2023
深夜のダイアン
2026
Isekai Izakaya "Nobu"
2020
M-1 Grand Prix
2005
JAPAN SINKS: People of Hope
2021
Alice in Wonderland –Dive in Wonderland–
2025
Yasei Bakudan no za Wārudo Chaneringu
2017
HONMADEKKA!?TV
2025
THE 10ミニッツ！
2022
One Third
2014