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Jeong Yuno (정윤오) (born Jeong Jae-hyun (정재현)), better known by his stage name JAEHYUN (재현), is a South Korean singer-songwriter, dancer, and MC. He is a member of the boy group NCT and its units NCT U and NCT 127.

He was born on February 14, 1997, in Seoul, South Korea.

In December 2013, he was introduced as part of SM's pre-debut training team SMROOKIES, and at that time also became a new MC on Show Champion, along with a fellow rookie DOYOUNG.

In April 2016, JAEHYUN officially debuted as a member of NCT, in the unit NCT U, with the single "The 7th Sense". In July, he was announced to be a member of the 2nd unit, NCT 127.


Digital Singles[]

Songwriting Credits[]

NCT 127[]

  • "Fire Truck" (소방차) (Lyrics)
  • Dancing In The Rain


TV Show[]

  • 2015: Show Champion (쇼 챔피언)
  • 2017: Law of the Jungle in Fiji (정글의 법칙)
  • 2019: Inkigayo


  • 2017–2019: NCT's Night Night! (NCT의 나잇 나잇!)

Music Video Appearances[]


  • Favorite Artist: IU
  • Favorite Movie: Beauty and the Beast
  • Favorite Author: Agatha Christie
  • Favorite Book: Courage to be Disliked
  • Favorite Sport: Basketball
  • Favorite Colour: White & Blue
  • Favorite Food: Meat, spicy pork, potato pizza, peach, green tea ice cream
  • Hobbies: Playing the piano, playing sports
  • He lived in the United States for about 4 years and he can speak fluent English.
  • He originally trained to be a rapper.
  • He looks up to SUPER JUNIOR's SIWON.
  • He is one of the tallest NCT members.