Cho Kyu-hyun was born on 3 February 1988, mononymously credited as Kyuhyun. He is a South Korean Singer, Musical theatre actor, radio DJ and MC. He is best known as a member and maknae, or the youngest member, of K-pop boy band Super Junior and its sub-groups, Super Junior-M and Super Junior-K.R.Y., and He is a former member of the South Korean group S.M. The Ballad. He is one of the three main vocalists of Super Junior. He is also one of the first four Korean artists to appear on Chinese postage stamps.