Boy Band : 7.9.4.2

Groupname: 7.9.4.2 or ‘CGSE’ pronounced “chilgusai”.
Debut date: April 12th 2012.
Debut single: ‘I’ll be famous’.
Debut album: ‘I’ll be famous’.
Members: 4 – Yoo Haenghoon, Jo Hoon, Lim Jonghyun and Kim Eungjoo.
Official sites:
- Facebook: Facebook
- Naver: Naver

Full name: Yoo Haenghun (유행훈)
Date of Birth: July 24th, 1986
Blood Type: A
Height: 180cm
Position: Leader
Twitter-account: Yoo Haenghun

Name:Jo Hoon (조훈)
Date of Birth: January 13th, 1988
Blood Type: A
Height:180cm
Twitter-account:Jo Hoon

Full name: Lim Jonghyun (임종현)
Date of Birth: June 29th, 1988
Blood Type: B
Height: 184cm
Twitter-account: Lim Jonghyun

Full name: Kim Eungjoo (김응주)
Date of Birth: October 5th, 1988
Blood Type: A
Height: 187cm
Position: Maknae
Twitter-account: Kim Eungjoo