Cho Kyuhyun (born February 3, 1988), best known mononymously as Kyuhyun, is a Korean pop singer. He is a member of the boy band Super Junior. He is considered as one of the four lead vocalists of the group. He is also one of the first four Korean artists to appear on Chinese postage stamps. He is nicknamed "GameKyu" because he likes to play computer games and is very good at it.