U-Know Yunho, born Jung Yun-ho on February 6, 1986, is a South Korean singer, dancer, and actor. He is best known as a member of the popular boy band TVXQ, which debuted in 2003. Yunho has gained recognition for his powerful vocals, impressive dance skills, and charismatic stage presence, making him a prominent figure in the K-pop industry. In addition to his music career, Yunho has appeared in various television dramas and variety shows, showcasing his versatility as an entertainer. He is also known for his philanthropic efforts and has participated in numerous charitable activities throughout his career.