Kim Won-sik (Korean: 김원식; born February 15, 1993), better known by his stage name Ravi (Korean: 라비), is a South Korean rapper, singer, songwriter and record producer, and CEO of record label GROOVL1N. He is a member of the South Korean boy group VIXX and its sub-unit VIXX LR. He debuted as a solo artist on January 9, 2017, with the release of his debut mini album R.EAL1ZE.