Known as Hero Jaejoon, he is a South Korean pop singer who performs with the boy bands JYJ and TVXQ.
He left home to pursue a career as an entertainer at age fifteen.
He found television success in Dr. Jin and Protect the Boss.
He has been romantically linked to pop singer and Actress Sandara Park.
He rose to fame as a member of a South Korean boy band, as did Shinee's Jonghyun Kim. He was adopted into a family with eight older sisters.
