Lee Dong Hyuk, better known by his stage name Haechan, is the lead vocalist, lead dancer of the SM Entertainment KPOP boy groups NCT 127 and NCT DREAM. He was born in Seoul but moved to Jeju when he was 7 through to the age of 12. Haechan joined SM through the Weekly Audition and his stage name was picked by Lee Soo Man, the CEO of SM entertainment. He was announced as a NCT U member for the STATION X special release, on December 2, 2019.
| Series | I WALK RADIO | 2024 |
| Episode |
Question Bucket 파도파도 코파도 | NCT U 'PADO' |
2023 |
| Episode |
문명특급 313 |
2023 |
| Episode |
WIRED's Autocomplete Interviews NCT 127 Answer the Web's Most Searched Questions |
2022 |
| Episode |
M2 ASMR 시즈니들을 위한 쩔어주는 수면 영상 지성&해찬의 붓 소리 ASMR 풀버전 | NCT DREAM 지성&해찬 | [팅글썰롱] |
2024 |
| Episode |
Daebak Show w/ Eric Nam Ep. #120 | Catching Up: NCT DREAM's JENO, HAECHAN, and JAEMIN |
2021 |
| Episode |
M2 ASMR [팅글썰롱] ASMR로 듣는 '엔시티 드림 지성과 해찬이 싸운 후 화해하는 방법은?' | NCT DREAM 지성&해찬 편 |
2024 |
| Episode |
The Late Late Show with James Corden Lily Collins, Charles Melton, NCT 127 |
2019 |
| Episode |
엠넷 아시안 뮤직 어워드 Unknown |
2021 |
