COOLON (クーロン 2002-2007) is a hip-hop band of 4 members:
* Lio (MC, truck)
* NoBuNaGa (MC)
* Oki (vocals)
* Akira (vocals) Former members :
* Ch @ ppy
* Dragon the band was formed in 2002 by Lio ,NoBuNaGa and Ch @ ppy (Ch @ ppy after withdrawal, to join a dragon). August 3, 2005, both A side single "Days / KAGEROU" major league debut, and won 25 national FM radio stations Powerplay.