Ryuichi Kosugi
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
- Gaki no Tsukai No Laughing Batsu Game (2003)
- Ningen Kansatsu Variety MONITORING (2012)
- バナナマン日村が歩く!ウォーキングのひむ太郎 (2021)
- Isekai Izakaya "Nobu" (2020)
- Alice in Wonderland –Dive in Wonderland– (2025)
- M-1 Grand Prix (2001)
- JAPAN SINKS: People of Hope (2021)
- Yasei Bakudan no za Wārudo Chaneringu (2017)
- HONMADEKKA!?TV
- One Third (2014)
- THE 10ミニッツ！ (2022)
- Murakami Mayonnaise no Tsukko Masete Itadakimasu! (2013)
- Bura Mayo Sōdanbu Sono Nayami! Kosugi to Yoshida made (2017)
- Restart (2021)
- ブラマヨ衝撃ファイル 世界のコワ〜イ女たち (2010)
- 超タッグ祭 (2026)