Timing is the fourth Korean mini-album by the leader and main rapper of what boyband?
Kim Hyun-joong Kim Hyun-joong (; born June 6, 1986) is a South Korean actor and singer, and the leader and main rapper of boyband SS501.
Nichkhun Nichkhun Buck Horvejkul (Thai: นิชคุณ หรเวชกุล ; rtgs: "Nitchakhun Horawetchakun" ; born June 24, 1988), better known by his stage nameNichkhun (Korean: 닉쿤 ; ), is a Thai American rapper, singer, songwriter, model and actor. He is currently based in South Korea as a member of the South Korean boy band 2PM.