Jaehyun (재현)
Jeong Yun-o (Hangul: 정윤오) (born Jeong Jae-hyun; Hangul: 정재현) better known as his stage name Jaehyun (Hangul: 재현) or Jay (in English). Jaehyun 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 sub rapper of NCT 127.
- Original Name: Jung Jae Hyun
- Legalized Name : Jung Yoon Oh (정윤오)
- Stage Name: Jaehyun (재현)
- Position: Vocalist, Dancer, Rapper & Visual
- Birthday: February 14, 1997
- Height: 180 cm (5'11″)
- Weight: 63 kg (139 lbs)
- Blood Type: A
- Zodiac Sign: Aquarius
- Representative Emoji: 🍑
- Sub-Unit: NCT U & NCT 127