Junnosuke Kawaguchi

Junnosuke Kawaguchi (河口 純之助) is a Japanese musician, best known as bassist of The Blue Hearts. He is a music producer in Tokyo, and in 2009 became the deputy director of propaganda for the Happiness Realization Party. He was born Hiroyuki Kawaguchi (河口 宏之 Kawaguchi Hiroyuki) in the Setagaya ward of Tokyo.

History
Kawaguchi had intended on being The Blue Hearts' manager, but when the original bassist left the group in August 1985, he stepped in to help, eventually becoming a band member.