Kim Kang-hoon (Korean: 김강훈, Romanized: Kim Kang-hoon), also known as Yesung (Korean: 예성, Romanized: YeSung), is a South Korean male singer and actor. He is a member of the South Korean boy group Super Junior and its subunits Super Junior-K.R.Y. and Super Junior-Happy, serving as the main vocalist. He is also a member of 'S.M.THE BALLAD'.
