Jung Yun-ho, popularly known as U-Know Yunho, is a South Korean singer and
entertainer, born on February 6, 1986, in the city of Gwangju. He started his
career by participating in dance competitions across the country and, after
winning the 1st Annual SM Best Competition in 1999, officially signed with SM
Entertainment in 2001. Adopting the stage name U-Know Yunho in 2003, he joined
the group TVXQ alongside Max Changmin, Jaejoong, Park Yoo-chun, and Kim Jun-su,
debuting with the hit single "Hug" and the album Tri-Angle in 2004. Their second
album, Rising Sun (2005), led them to t...