HERO JaeJoong
   Stage Name : HERO | YoungWoong JaeJoong (영웅재중 or 英雄在中)
     Real Name : Kim JaeJoong (김재중, 金在中)
     Birthdate: 26. ledna 1986
     Birthplace:Chungnam (충남 or 忠南)
     Position: Main Vocals 

    U-KNOW YunHo
   Stage Name : U-KNOW | U-know YunHo (유노윤호 or 瑜卤允浩)
     Real Name: Jung YunHo (정윤호, 鄭允浩)
     Birthdate: 6. února 1986
     Birthplace:Gwangju (광주)
     Position: baritone Leader

    MICKY YooChun
     Stage Name : MICKY | Micky YooChun (믹키유천 or 秘奇有天/秘奇有仟)
     Real Name: Park YooChun (박유천, 朴有天)
     Birthdate: 4. června 1986
     Birthplace: Seoul
     Position: bass-bariton 

    XIAH JunSu
     Stage Name : XIAH | Xiah JunSu (시아준수 or 细亚俊秀)
     Real Name: Kim JunSu (김준수, 金俊秀)
     Birthdate:15. prosince 1986 (regostrován 1. ledna 1987)
     Birthplace:Gyeonggi (경기 or 京畿道)
     Position: Baritenor 

    MAX ChangMin
     Stage Name : MAX | ChoiKang ChangMin (최강창민 or 最强昌珉)
     Real Name: Shim ChangMin (심창민, 沈昌珉)
     Birthdate:18. února 1988
     Birthplace: Seoul
     Position: tenor