Debut: The group debuted on October 12, 2012 at KBS Music Bank with Open the door.
Disbanded: January 2015
Bak Chi Ki
Name: Kim WooRam (김우람)
Born: January 28, 1992
Position: Leader, Rapper
Drama: – Pure love
Name: Woo MinYoung (우민영)
Born: March 3, 1993
Position: Visual, Rapper
He goes now by the name Roscoe and is doing projects with Rome under DPR.
Released a song Maniac.
Name: Kim TaeHyun (김태현)
Born: May 14, 1994
– His nicknames are Brain and Mode Maker
He droped the stage name and goes by his own name – Taehyun.
Under his name he released a song – I knew it.
Name: Won YunJun (원윤준)
Born: July 13, 1994
Position: Maknae, Rapper, Dancer
– His nickname is 4D idol
He left the company and goes now by the name V.Hawk
Under his new name he released 2 songs – Pupil and Rare steak
-  Ta-Dah! It’s Wonder Boyz
- [2012.10.16] Muneul Yeosio (문을 여시오)
- [2012.10.09] Sinnanda Sinna (신난다 신나)
- [2013.05.14] Tajan (TARZAN) (타잔)
- Open the Door (October 15, 2012)
- Tarzan (May 13, 2013)
The members accounts are either still active or new by last update (february 2015)