Kim Jae-joong (김재중; born January 26, 1986 in Gongju, Chungcheongnam-do, Sou… Read Full Bio ↴Kim Jae-joong (김재중; born January 26, 1986 in Gongju, Chungcheongnam-do, South Korea), also known mononymously as Jaejoong, is a South Korean singer, songwriter, actor, director and designer. He is best known as a member of the Korean pop group JYJ, and was one of the original members of boy band TVXQ formed by SM Entertaintment in 2003. Kim was also known by the stage names Hero Jaejoong (in South Korea), Jejung (ジェジュン) (in Japan), and 英雄在中 (영웅재중) (in China). Kim is now using Kim Jae-joong (JYJ) for his activities.

Kim has branched out to act in dramas including Sunao ni Narenakute, Protect the Boss, and most recently Dr. Jin, Triangle and in films such as Heaven's Postman and Jackal is Coming. He was also the Executive Director for JYJ's 2011 Worldwide Tour and the 2011 LG Whisen Rhythmic All Stars.

In January 2013 he released his first EP, titled "I", followed by a full length album, "WWW" in October the same year.