Jae Hyun
Jae Hyun

First Name: Yoon Oh
Family Name: Jung
Native name: 재현
Also Known as: Jay;정윤아;Casper;Jaehyun
Nationality: South Korean
Gender: Male
Born: February 14, 1997

Jung Yoon Oh, better known by his stage name Jae Hyun, is the lead vocalist and rapper of NCT 127 and NCT-U groups. He has really white skin, which earned him the nickname “Casper”.