(2003 - 2010) he was the lead vocalist of South Korean boy band TVXQ, known as Dong Bang Shin Ki (DBSK) in South Korea and Tohoshinki in Japan. After TVXQ went on hiatus in early 2010, he and two other fellow band members Yoochun and Junsu formed formed a new three member group initially known as - JYJ (JUNSU JEJUNG YUCHUN in Japan).