Kim Jae-joong (Hangul: 김재중; Hanja: 金在中; born January 26, 1986), simply known as Jaejoong, is a South Korean singer, songwriter, actor, and director. He is best known as a member of the Korean pop group JYJ, and was one of the original members of boy band TVXQ. Kim also went by the stage names, Hero Jaejoong (Hangul: 영웅재중; Hanja: 英雄在中; "Youngwoong Jaejoong") and Jejung (ジェジュン). In January 2013 he released his first EP, titled I, followed by a full length album, WWW in October the same year.