Lee Hong GiName Lee Hong Gi (Korean: 이홍기) (Often romanized as Hong Ki)
Birthday March 2, 1990 (1990-03-02) (age 19)
Lunar Birthday February 6, 1990 (1990-02-06) (age 19)
Education Seongji High School (Korean: 성지고등학교)
Attending Kyung Hee University since March 2009, majoring in Drama and Theatre
Position in band Main Vocal
Other works Acting debut in 2002 in KBS2 Magic Kid Masuri (매직키드 마수리) as main role
Choi Jong HunName Choi Jong Hun (Korean: 최종훈) (Often romanized as Jong Hoon)
Birthday March 7, 1990 (1990-03-07) (age 19)
Education Shindongshin Middle Information Industry High School (Korean: 신동신정보산업고등학교)
Attending Gyeonggi University since March 2009, majoring in Digital Music
Position in band Piano, Guitar, Leader
Lee Jae JinName Lee Jae Jin (Korean: 이재진)
Birthday December 17, 1991 (1991-12-17) (age 17)
Education Seonyoo High School (Korean: 선유고등학교)
Position in band Bass, Vocal
Other Work Acting debut in 2007 KBS2 daily sitcom Unstoppable Marriage as Wang Sa Baek (왕사백)
Musical acting debut in 2009 in "Sonagi"
Song Seung HyunName Song Seung Hyun (Korean: 송승현)
Birthday August 21, 1992 (1992-08-21) (age 16)
Position in band Rapper, Vocal, Guitar
Choi Min HwanName Choi Min Hwan (Korean: 최민환)
Birthday November 11, 1992 (1992-11-11) (age 16)
Education Eunil Information Industry High School (Korean: 은일정보산업고등학교)
Position in band Drums
Other Work Acting debut in 2009, KBS1 The Road Home
Former:Oh Won BinName Oh Won Bin (Korean: 오원빈)
Birthday March 26, 1990 (age 19)
Education Seongji High School (Korean: 성지고등학교)
Attending Gyeonggi University since March 2009, majoring in Digital Music
Position in band Soft Vocalist, Rapper, Guitarist, Harmonicist
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credit: wikipedia