Stage name: Xiah Junsu (Hangul: 시아준수; Hanja: 細亞俊秀) / Junsu (ジュンス, Junsu?)
Real name: Kim Junsu (Hangul: 김준수; Hanja: 金俊秀)
Legal birthday: January 1, 1987 (1987-01-01) (age 21)
Real birthday: December 15, 1986 (1986-12-15) (age 22)[43]
Place of birth: Gyeonggi
Micky
Stage name : Micky Yoochun (Hangul: 믹키유천; Hanja: 秘奇有天) / Yuchun (ユチョン, Yuchon?)
Real name: Park Yoochun (Hangul: 박유천; Hanja: 朴有天)
Date of birth: June 4, 1986 (1986-06-04) (age 22)
Place of birth: Seoul {Jongno}
Hero
Stage name: Youngwoong Jaejoong (Hangul: 영웅재중; Hanja: 英雄在中) / Jejung (ジェジュン, Jejun?)
Birth name: Han Jaejoon (Hangul:한재준; Hanja: 韓在俊)[44]
Adopted name: Kim Jaejoong (Hangul:김재중; Hanja: 金在中) (now his real name)
Date of birth: January 26, 1986 (1986-01-26) (age 22)
Place of birth: Gongju
Max
Stage name : Choikang Changmin (Hangul: 최강창민; Hanja: 最强昌珉) / Changmin (チャンミン, Chanmin?)
Real name: Shim Changmin (Hangul: 심창민; Hanja: 沈昌珉)
Date of birth: February 18, 1988 (1988-02-18) (age 20)
Place of birth: Seoul
U-know
Stage name : U-know Yunho (Hangul: 유노윤호; Hanja: 瑜鹵允浩) / Yunho (ユンホ, Yunho?)
Real name: Jung Yunho (Hangul: 정윤호; Hanja: 鄭允浩)
Date of birth: February 6, 1986 (1986-02-06) (age 22)
Place of birth: Gwangju
