Group

Super Junior-K.R.Y.

Official Name: Super Junior K.R.Y. (슈퍼주니어 K.R.Y.)
Unofficial Name: Sukry (슈크라이) or K.R.Y.
Members: Yesung (leader), Ryeowook, and Kyuhyun
Misc. Info.: The group’s name is an acronym of the members’ names. Their main focus is ballads.
Debut: They made their first broadcast appearance with “한 사람만을 (The One I Love)” on KBS Music Bank on November 5, 2006.
Official Website: http://www.avex.com.tw/superjunior/kry (Taiwan)
Official Soompi Thread: http://www.soompi.com/forums/index.php?showtopic=207523

Super Junior-T

Official Name: Super Junior-T (슈퍼주니여 -T)
Unofficial Name: Su-T (슈티), SuJu-T, or SJT
Members: Leeteuk (leader), Heechul, Kangin, Shindong, Sungmin, and Eunhyuk
Misc. Info.: The T in the group’s name comes from Trot, the focus of their music genre.
Debut: They made their first broadcast appearance with “로꾸거 (Rokuko)” on SBS Inkigayo on February 25, 2007.
Official Website: http://t.super-junior.co.kr
Official Soompi Thread: http://www.soompi.com/forums/index.php?showtopic=207524

Super Junior-M

Official Name: Super Junior-M (슈퍼주니여 – M)
Unofficial Name: Su-M (슈엠), SuJu-M or SJM
Members: Hangeng (leader), Donghae, Siwon, Ryeowook, Kyuhyun, Zhoumi, and Henry
Misc. Info.: The M in the group’s name comes from Mandarin, the focus of their music being in the the Chinese music market.
Debut: They released a trailer and music video (“U”) and made an appearance at the 8th Annual Music Chart Awards on April 8, 2008.
Official Website: http://superjunior-m.smtown.com
Official Soompi Thread: http://www.soompi.com/forums/index.php?showtopic=207525

Super Junior-H

Official Name: Super Junior-Happy (슈퍼주니여 – Happy)
Unofficial Name: Supy (슈피) or SJH
Members: Leeteuk (leader), Yesung, Kangin, Shindong, Sungmin, and Eunhyuk
Misc. Info.: The H in the group’s name comes from Happy, the focus of their music genre being bright and cheerful summer music.
Debut: They made their first performance of “요리왕 (Cooking?Cooking!)” at the 2008 Dream Concert on June 7, 2008.
Official Website: http://superjunior-happy.smtown.com