Lee Dong-hyuck (Hangul: 이동혁) known by his stage name Haechan (Hangul: 해찬) is a South Korean singer born in Seoul on June 6, 2000 (he later moved to Jeju Island with his family before becoming a trainee). He is the main vocalist on NCT 127 and NCT Dream.

History on NCT Edit

  • July 10, 2016: Made his debut on the sub-unit NCT 127 with the mini-album, NCT #127.
  • August 24, 2016: Made his debut on the sub-unit NCT Dream with the single "Chewing Gum".
  • March 14, 2018: Made his debut on the project unit NCT 2018 with the full album, NCT 2018 Empathy.
  • August 11, 2018: Made a special participation on the sub-unit NCT U with the special stage of "I Wanna Be a Celeb".
  • December 13, 2019: Made his debut on the sub-unit NCT U with the single "Coming Home".


  • Stage Name: Haechan (해찬)
  • Zodiac Sign: Gemini
  • Sub-Unit:
    • NCT 127
    • NCT U
  • Position:
    • Main Vocalist, Lead Dancer
  • Nickname: Dongsookie, Full Sun, Donkey (Donghyuck+Monkey), Banchan (Sidedish)

Filmography Edit

TV ShowsEdit

Year Title Channel Role Note
2014 EXO 90:2014 Mnet SM Rookies Member Pre-debut
2015 Mickey Mouse Club  Disney Channel Korea Cast Member

Hosting ProgramEdit

Year Title Channel Role Note
2017 M Countdown Mnet Weekly Guest MC September 7 (with Jeno)
2018 Global MC May 31 (with Doyoung)

Trivia Edit

  • Specialty: Dance, Football
  • Hobbies: Piano, Listening to music, Singing
  • Education:
    • Hoguk Middle School (Graduated)
    • School of Performing Arts (SOPA) (Practical Music) (Dropout)
  • Family: Mother, Father, Twin Sister & Two Younger Brothers
  • Favorite Food: Samgyeopsal (Pork Belly)
  • Stage Name Meaning: Hae (해) means "Sun" and Chan (찬) means "Full", so his name stands for "Full Sun" (his stage name was chosen by Lee Soo-man.)
  • Favorite School Subject: Music
  • Subject He Hates: Science
  • Favorite Colors: Black and Red
  • Ideal Type: Someone with a unique singing voice with short or medium hair length.
  • Religion: Christian
  • He loves Michael Jackson.
  • His dream to become a singer-songwriter.
  • Haechan is always doing skinship.
  • His footsize is 265mm.
  • He has the smallest head.
  • He is good at punching (Weekly Idol)
  • He is really bad at gaming.
  • He uses a lot of aegyo.
  • His nickname “Dongsookie” was formed as “the girl version” of himself, he was also dressed as a girl for their roleplay part during their SM Rookies show.
  • He is in charge of washing the dishes in the dorm.
  • He has been playing the piano since he was 5.
  • He is known to be very mischievous.
  • If he had to sing to his partner, he would sing 'So So' by Baek A Yeon
  • He's best friends with Mark.
  • His laptop's name is Evian. (V Live: HAE-JOHNNY is here💚)
  • He has a 37.5 viewer rating.
  • He eats his dakgalbi with lettuce.

Gallery Edit

Nct logo
To view the Haechan gallery, click here.

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