Jeong Yun-o (Hangul: ์ ์ค์ค) (born Jeong Jae-hyun; Hangul: ์ ์ฌํ) referred to as JAEHYUN (Hangul: ์ฌํ) or Jay (in English) is a South Korean singer, songwriter, actor and rapper born in Seoul on February 14, 1997. He is one of the main vocalists and lead dancers of NCT U and a main vocalist, lead dancer, and lead rapper of NCT 127. He is known for his rich baritone voice and prince-like features. Read more on Last.fm