About Kim Ryeo-wook
Kim Ryeo-wook, better known by the mononym Ryeowook, is a South Korean singer, songwriter, and musical actor. He is best known as a member of boy group Super Junior and its subgroups, Super Junior-K.R.Y. and Super Junior-M. Along with four other Super Junior members, he is one of the first Korean artists to appear on Chinese postage stamps. He began a solo career in 2016 with his first EP The Little Prince. Ryeowook was discovered through the CMB Youth ChinChin Festival in 2004 and signed a contract with SM Entertainment soon afterwards, impressing the judges with his singing talent. Ryeowook made his debut as part of the 12-member project group Super Junior 05 on 6 November 2005 on SBS' music programme Popular Songs, performing their first single, "Twins (Knock Out)".
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.