Kpop Boys

Jaehyun (NCT 127 Member) Age, Bio, Wiki, Facts & More

Jaehyun NCT147 Member

Jaehyun (재현) is a member of the South Korean Kpop Boy group named NCT 127 (엔씨티 127) which is the second sub-unit of the boy group NCT. Group consists of 10 male members: Taeil, Johnny, Taeyong, Doyoung, Yuta, JaehyunWinwin, Jungwoo, MarkHaechan. They debuted on July 10th, 2016. The group is formed under SM Entertainment with EP NCT#127.

His stage name is Jaehyun (재현). His birth name is Jung Jae Hyun, later legalized to Jung Yoon Oh (정윤오). His English name is Jay. He was born on February 14, 1997. His age is around 24 years old as of 2021. He is Korean by Nationality. His Zodiac sign is Aquarius.

He is the Main Vocalist, Lead Dancer, Sub Rapper, Visual in the group.

Check out and follow Jaehyun’s Social Media accounts:

Instagram: @_jeongjaehyun

YouTube: N/A

Twitter: N/A

Early Life:

He was born in Seoul, South Korea.

He lived in Connecticut (USA) for 5 years (from 5 years till 10 years old).

He completed his education at the Seoul School of Performing Arts.

Physical Appearance:

Jaehyun NCT127 MEMBER 1

He is young, smart, and handsome. He is popular among youths. His looks make him look younger than his actual age. He has black eyes and brown hair. 

His height is 180 cm (5’11″) and his weight is 63 kg (139 lbs). His blood group is A.

Family, Religion & Boyfriends:

Not Much is known about her family and her personal Relationship.


  • He has 3m+ followers on his Instagram.
  • His hobbies are playing the piano, sports.
  • He loves to travel and explorer new places.
  • He speaks Korean & English.
  • His nickname is Casper, J, WooJae.
  • His specialty is Rap, Piano, Basketball.
  • He is a fashion enthusiast.
  • He is a fashionista.
  •  He is good at swimming.

Jaehyun’s Favorites:

  • His favorite foods are Meat, Spicy Pork, Peach, Green Tea Ice Cream.
  • His favorite season is spring.
  • His favorite Artist is IU.
  • His favorite actor is Leonardo DiCaprio.
  • His favorite color is white.
  • His favorite sport is basketball.

Check out NCT 127’S group Social Media Accounts below:


NCT 127 Official Accounts:

YouTube: @nct127

Instagram: @nct127

Twitter: @NCTsmtown_127

Facebook: NCT.smtown

Official Website:

vLive: NCT 127

NCT 127 Fandom Name: NCTzen (meaning all the fans are citizens of NCT)
NCT 127 Official Fan Color: Pearl Neo Champagne