Who are the Wonder Girls?

The Wonder Girls (Korean: 원더걸스) are a South Korean girl group. They are produced by singer-songwriter Park Jin-Young and are signed to his talent agency, JYP Entertainment. Each of the five original members were selected through auditions. Debuting in early 2007, they became popular in the fall of that year with the song "Tell Me."

Since then they have scored 3 consecutive #1 hit singles with "Tell Me", "So Hot", and "Nobody", and in 2008, won two Daesangs ("Artist of the Year" Awards).

Yoobin

• Birth name: Kim Yoobin (Hangul: 김유빈; Hanja: 金瑜斌)
• Date of birth: October 4, 1988 (1988-10-04)
• Discovery: Good Entertainment Trainee
• Position: Rapper
• Notes: Yubin wrote the rap parts for "Do You Know That?", a song of Kim Bum Soo which she featured in.

Yeeun

• Birth name: Park Yeeun (Hangul: 박예은; Hanja:朴譽恩)
• Date of birth: May 26, 1989 (1989-05-26)
• Discovery: 2007 audition during the show MTV 'Wonder Girls Season 1'
• Position: Main Vocalist, Additional Songwriting
• Notes: Ye-eun composed and wrote the lyrics for "Saying I Love You" and "For WonderFul", which she dedicated to the WonderFuls (The Official Wonder Girls Fan Club)

Sunye

• Birth name: Min Sunye (Hangul: 민선예; Hanja: 閔先藝)
• Date of birth: August 12, 1989 (1989-08-12)
• Discovery: 2001 Park Jin Young's Challenge of 99%
• Position: Leader, Main Vocalist
• Note: Sunye composed the ManWon Happiness Song herself.

Sun Mi

• Birth name: Sun Mi (Hangul: 선미; Hanja: 宣美)
• Date of birth: May 2, 1992 (1992-05-02)
• Discovery: JYP Entertainment Trainee
• Position: Vocalist

Sohee

• Birth name: Ahn Sohee (Hangul: 안소희; Hanja: 安昭熙)
• Date of birth: June 27, 1992 (1992-06-27)
• Discovery: JYP Entertainment Trainee
• Position: Vocalist, Actress
  
• Notes: Sohee was the main lead of 8eight music video "Empty Hearts", starred in movie "I Like It Hot"
  

source: wikipedia