Kim Jae-joong
Kim Jae-joong, also known mononymously as Jaejoong in South Korea and Jejung/J-Jun in Japan, is a South Korean singer, songwriter, actor and director. He is currently a member of the Korean pop duo JX, a member of the inactive pop group JYJ and was one of the original members of boy band TVXQ!, where he was formerly known by the stage name Hero Jae-joong.