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Lee Dong-hyuck (이동혁), better known by his stage name HAECHAN (해찬), is a South Korean singer. He is a member of the boy group NCT and its units NCT 127, NCT DREAM and NCT U.

He was born on June 6, 2000, in Seoul, South Korea.

He auditioned for SM after his mom encouraged him to do so. Haechan joined SM through the Weekly Audition.

On July 17th, 2014, he was introduced as part of SM Entertainment's pre-debut training team SMROOKIES, and he officially debuted in 2016 as a member of NCT.


  • Favorite Hobbies: Playing football, playing the piano, Singing, Listening to Music
  • Favorite Artist: Michael Jackson & SHINee's Taemin
  • He is the Maknae in NCT 127
  • Mood maker of the group.
  • Nickname is Fullsun 🔅
  • Haechan has a younger sister and two younger brothers.
  • Amazing Vocals and Dance Skills
  • Favourite Colours: Red and Black
  • Haechan does a lot of skinship. 
  • He was announced as an NCT U member for the STATION X special release, on December 2, 2019.
  • He likes Kimchi-jjigae (Kimchi Stew)