Formed by S.M. Entertainment in 2003 , TVXQ originally debuted as a five-member boy band consisting of leader U-Know Yunho , Max Changmin , Hero Jaejoong , Micky Yoochun , and Xiah Junsu .
Its members are U-know Yunho , Hero Jaejoong , Micky Yoochun , Xiah Junsu and Max Changmin .