Lee Sung-min (Hangul: ??ñ‰?¬; Hanja: ‘?‘??‘?) was born on 1 January 1986, mononymouly credited as Sungmin (Hangul: ?ñ‰?¬; Hanja: ‘??‘?) is a South Korean singer, DJ and Musical theatre actor. He is best known as a member of the K-pop boy band Super Junior and its sub-groups Super Junior-T, Super Junior-Happy and Super Junior-M.