Kim Minjun (Hangul: 김민준; hanja: 金閔俊, born January 15, 1988), generally known by his stage name Jun. K, is a South Korean singer. He is the main vocalist of Korean boy group 2PM managed by JYP Entertainment. He was formerly known as Junsu, but October 17, 2012 he revealed through his personal Twitter account that, due to family matters, he would be changing his name to Minjun (민준), and that his stage name Jun K. would remain the same.