Japanese hip-hop MC, born October 16th, 1975 in Tokyo, Japan and a member of Nitro Microphone Underground.

Born in Tokyo, Suiken started his first rap group in 1995 together with Dabo, K-Bomb and DJ Hazime called The Level 5. In 1997 he featured on the Buddha Brand EP Remix (Krush Groove 4) as Medicen Man. He released his breakthrough single Alkman on August 23rd, 2000 and had his big breakthrough together with Nitro Microphone Underground with their self-titled debut on October 7th of the same year.