December

Members: 2
Debut: 27 October 2009
Entertainment: CS Happy Entertainment

YOONHYUK

Stagename: Yoonhyuk
Name: Lee Yoon-Hyuk 
Date of birth: 28 February 1984
Nationality: Korean
Bloodtype: 
Height: 173 cm
Position: vocalist

DAEGYU

Stagename: Daegyu
Name: Han Dae-Kyu
Date of birth: 13 April 1984
Nationality: Korean
Bloodtype:
Height: 180 cm
Position: lead vocalist