Official Name: Super Junior (슈퍼주니어)
Unofficial Name: SuJu (슈주) or SJ
Members: Leeteuk (leader), Heechul, Hangeng, Yesung, Kangin, Shindong, Sungmin, Eunhyuk, Donghae, Siwon, Ryeowook, Kibum, and Kyuhyun
Catchphrase: 우리는 슈퍼주니어에요! (Oo ri neun Shoo-puh-Ju-ni-uh eh yo! aka We are Super Junior!)
Debut: Super Junior as a 12 member project group called Super Junior 05 performed on their first TV broadcast on November 6, 2005 with their first single "Twins (Knock Out)"; with the addition of Kyuhyun during "U" promotions which they started through the "I-Concert" on May 27, 2006, Super Junior became the permanent 13 member group that we know today.
History: Super Junior on Wikipedia (as with all things on Wikipedia, all information can't be vouched for)
Management: SM Entertainment
Official Fanclub: EverLasting Friends (E.L.F.), established on June 2, 2006.
Official Balloon Color: Pearl Sapphire Blue
Official Websites:
———http://superjunior.smtown.com/ (Korea)
———http://www.avex.com.tw/superjunior (Taiwan)
———http://superjunior-jp.net (Japan)
———http://www.super-junior.co.kr (Super Junior 05)

Leeteuk

Real Name: Park Jungsu 

Nickname(s): Angel without Wings, Gaeteuk (named by Heechul), Special Leader, Peter Pan

Date of Birth: July 1, 1983

Blood Type: A

Specialty/Hobby: Piano, Composition, Listening to music, Singing

Heechul

Real Name: Kim Heechul

Nickname(s): Heenim, Cinderella , Flower, Kim Pink, Kim Moodswing, Kim Cherry

Date of Birth: July 10, 1983

Blood Type: AB

Specialty/Hobby: Writing poems, Writing fairy tales, Computer games

Hangeng

Real Name: Han Geng

Nickname(s): Beijing Fried Rice

Date of Birth: February 9, 1984

Blood Type: B

Specialty/Hobby: Chinese traditional dance, Ballet, Computer games

 Yesung

Real Name: Kim Jongwoon

Nickname(s): Cloud,, Rabid Dog

Date of Birth: August 24, 1984

Blood Type: AB

 Specialty/Hobby: Singing, Listening to music, Exercise

Kangin

Real Name: Kim Youngwoon

Nickname(s): Kang Kings, Kkang, Neoguri,, Youngchoon (Heechul's nickname for Kangin, Heechul claims that this is Kangin's real first name)
Date of Birth: January 17, 1985 

 Blood Type: O

Specialty/Hobby: Acting, Singing, Exercise (kick boxing), Swimming

Shindong

Real Name: Shin Donghee

Nickname(s): Dongri Dong Dong 

Date of Birth: September 28, 1985

Blood Type: O

Specialty/Hobby: Making facial expressions, Making jokes, Dancing

Sungmin  

Real Name: Lee Sungmin 

Nickname(s): Sweet Pumpkin, Minimi 

Date of Birth: January 1, 1986

Blood Type: A

Specialty/Hobby: Chinese martial arts, Acting, Watching movies, Playing instruments

Eunhyuk

Real Name: Lee Hyukjae

Nickname(s): Jewel Guy, Monkey

Date of Birth: April 4, 1986 

Blood Type: O

Specialty/Hobby: Dancing (all genres), Exercising, Listening to music

Donghae
Real Name: Lee Donghae

Nickname(s): Fishy, Donghae Bada , Pinocchio, Dorobbong

Date of Birth: October 15, 1986

Blood Type: A

Specialty/Hobby: Dancing, Exercise, Singing, Watching movies

 Siwon

Real Name: Choi Siwon

Nickname(s): Simba, Horse (from the Zodiac)
Date of Birth: February 10, 1987

Blood Type: B

Specialty/Hobby: Singing, Dancing, Acting, Taekwondo, Chinese (language), Playing drums

Ryeowook

Real Name: Kim Ryeowook

Nickname(s): Eternal Mangnae

Date of Birth: June 21, 1987

Blood Type: O

Specialty/Hobby: Singing, Composition

Kibum

Real Name: Kim Kibum

Nickname(s): Snow White, Yangban Kim

Date of Birth: August 21, 1987 

Blood Type: A

Kyuhyun
Real Name: Cho Kyuhyun

Nickname(s): Kim Kyu (named by Heechul), Game Kyu, Jumong Kyu, Chic Kyu 

Date of Birth: February 3, 1988

Blood Type: A

Specialty/Hobby: Singing, Listening to music, Watching movies