Nichkhun Buck Horvejkul (Thai: นิชคุณ หรเวชกุล; RTGS: Nitchakhun Horawetchakun; born June 24, 1988), better known mononymously as Nichkhun (Korean: 닉쿤), is a Thai American singer, songwriter, rapper, actor and model who is currently based in South Korea as a member of the South Korean boy band 2PM.
