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Lee Dong-hyeok (Korean: 이동혁; born June 6, 2000), known professionally asHaechan (해찬), is a South Korean singer. He is a member of South Korean boy bandNCT and its subunitNCT U alongside its fixed subunitsNCT 127 andNCT Dream. On September 8, 2025, Haechan began his solo debut with the release of his first studio albumTaste.
On July 17, 2014, he was introduced as a member ofSM Rookies, a pre-debut training team managed by SM Entertainment.[3]That year, Haechan, alongside other SM Rookies members, appeared inExo 90:2014, a reality television series in which labelmateExo recreated music videos and performed popular K-pop songs from the 1990s and early 2000s.[4][5] In 2015, Haechan starred in the Korean revival ofThe Mickey Mouse Club. The show aired onDisney Channel Korea from July 23 to December 17, 2015, and was hosted byLeeteuk ofSuper Junior.[6]
On July 2, 2016, SM Entertainment revealed that Haechan would debut as a member ofNCT's second sub-unit,NCT 127. The group released their first single, "Fire Truck", on July 7.[7] On August 19, SM Entertainment announced that Haechan would also join NCT's third sub-unit,NCT Dream,[8] which debuted with the digital single "Chewing Gum" on August 25.[9] On December 19, 2018, it was announced that Haechan had fractured his shin bone while preparing for theNeo City – The Origin tour (2019–2020) and would be taking a hiatus from group activities to recover.[10][11] During his recovery period, he participated in the January 26 and 27 concerts.[12] He officially returned from his hiatus with an appearance at NCT 127's concert inSaitama several months later on March 29, 2019.[13] On December 13, Haechan joined the rotational sub-unitNCT U with the release of the single "Coming Home" under theSM Station project.[14][15]
At theNeo City – The Link tour (2021–2022), Haechan and former memberTaeil performed an unreleasedR&B track titled "Love Sign", which they composed with producerDeez [ko].[16] In 2021, Haechan released a remake of the 2006SM Town's song "Snow Dream" for SM Town's album2021 Winter SM Town: SMCU Express.[17] Haechan recorded a remake of the 2001Toy song "Good Person" for the soundtrack of thePlaylist Studio web dramaPly Friends: Seoyeon University Class of '22 for release on March 6, 2022.[18] However,CJ ENM announced that the release of the song would be moved forward by one day to "repay fans" for their enthusiastic reactions.[19] Haechan and Taeil released "N.Y.C.T." under NCT U on September 7, 2023. They had previously performed the song at the Neo City – The Link tour.[20]
Haechan stated that his mother greatly influenced his music taste by introducing him to songs such as "Billie Jean" byMichael Jackson, whom he has cited in multiple interviews as one of his role models and the reason he wanted to pursue a singing career.[21][22][11] Haechan also named labelmateTaemin ofShinee as a major influence, crediting his group's debut single "Replay" with inspiring him to become an idol and audition for SM Entertainment.[1][23] The first album Haechan ever purchased was Shinee'sRomeo (2009).[24]
Music critic Kim Young-dae described Haechan's voice as theMSG in NCT 127's discography as it "connects all the different flavors and has a powerful impact on the adlibs".[25][unreliable source?] Changuk ofDrippin cited Haechan as his role model.[26]
^Goo, Min-ji (June 3, 2021)."루키의 꿈, 미래가 됐다"...NCT드림, K팝 성장 보고서 ["Rookie's dream, now it's the future."NCT DREAM, K-Pop Growth Report].Dispatch (in Korean).Archived from the original on June 3, 2021. RetrievedSeptember 11, 2021.
^Kim, Sara (October 4, 2014).[어저께TV] '엑소902014' K팝 시험, 90 반갑고 2014 새롭고 [[Yesterday TV] 'EXO 902014' K-Pop Test, 90 Nice and 2014 New].Osen [ko] (in Korean).Archived from the original on July 21, 2019. RetrievedSeptember 15, 2021.
^Kim, Sara (October 3, 2014).'엑소902014' SM루키즈 동혁, 걸그룹 지식 최강자 등극 ['EXO 902014' SM Rookies Donghyuck, the strongest girl group knowledge].Osen [ko] (in Korean).Archived from the original on September 15, 2021. RetrievedSeptember 15, 2021.
^Seo, Byung-gi (July 9, 2015).이예지 PD, 이적 후 첫작품 '미키마우스 클럽' 한국판 제작 방송 [Lee Ye-ji PD, first work after transfer 'Mickey Mouse Club' Korean version production broadcast].Herald Pop (in Korean).Archived from the original on September 30, 2021. RetrievedSeptember 30, 2021.
^NCT127 소방차, 데뷔 타이틀곡은 힙합에 뭄바톤 퓨전 장르..."역대급 서머송 예고" [NCT127 Fire Truck, the debut title song is a hip-hop and Mumbahton fusion genre... "Prediction of the greatest summer song ever"].The Chosun Ilbo (in Korean). July 5, 2016.Archived from the original on September 15, 2021. RetrievedSeptember 15, 2021.
^Choi, Na-young (August 20, 2016).'SM막내' NCT드림, 네 멤버 베일 벗다..제노·해찬 ['SM's maknae' NCT Dream unveils four members.. Jeno Haechan].The Chosun Ilbo (in Korean).Archived from the original on September 16, 2021. RetrievedSeptember 16, 2021.
^Lee, Min-ji (December 19, 2018).SM "NCT 해찬, 부상으로 깁스, 스케줄 불참"(공식입장 전문) [SM "NCT Haechan, casts due to injury, misses schedule" (Full text of official position)].Newsen (in Korean).Archived from the original on February 4, 2020. RetrievedSeptember 16, 2021.
^ab"Episode 6".Boys Mental Camp (in Korean). June 4, 2021. Wavve.Archived from the original on February 19, 2022. RetrievedSeptember 16, 2021.
^Goo, Min-ji (March 29, 2019).'NCT127' 해찬, 밝은 근황..."막내가 돌아왔습니다" ['NCT127' Haechan, a bright current... "The youngest is back"].Dispatch (in Korean).Archived from the original on September 16, 2021. RetrievedSeptember 16, 2021.
^Jeon, Hyo-jin (December 13, 2019).태일·도영·재현·해찬, 오늘(13일) 겨울 발라드 'Coming Home' 발표 [Taeil, Doyoung, Jaehyun, and Haechan to release the winter ballad 'Coming Home' today (13th)].Sports Dong-a (in Korean).Archived from the original on September 16, 2021. RetrievedSeptember 16, 2021.
^Lee, Seung-hoon (December 20, 2021)."떼창+함성 듣고파"..NCT 127, 변함없는 '♥︎시즈니'와 이룬 꿈('THE LINK')[종합] ["I want to hear the crowd + shouts"..NCT 127, the unchanging '♥︎ Czennies' and a dream fulfilled ('THE LINK') [General]].Osen [ko] (in Korean).Archived from the original on December 20, 2021. RetrievedDecember 27, 2021.
^Ahn, Jin-young (December 23, 2021).규현·태일, 태용·지젤, 예리·해찬·닝닝...SM 이색 컬래버레이션이 온다 [Kyuhyun and Taeil, Taeyong and Giselle, Yeri, Haechan, Ningning... SM's unique collaboration is coming].Munhwa Ilbo (in Korean).Archived from the original on December 23, 2021. RetrievedDecember 27, 2021.
^Ji, Min-kyung (February 23, 2022).NCT 해찬, '플렌즈 서연대 22학번 편' OST 참여..토이 '좋은 사람' 리메이크 [NCT Haechan, 'Friends Seoyeon University 22nd Edition' OST Participation.. Toy 'Good Person' remake].Osen [ko] (in Korean).Archived from the original on February 23, 2022. RetrievedFebruary 23, 2022.
^Jeong, Hee-yeon (March 2, 2022).NCT 해찬, 데뷔 후 첫 단독 OST 5일 발매 [NCT Haechan, first solo OST released after debut on the 5th].The Dong-a Ilbo (in Korean).Archived from the original on March 3, 2022. RetrievedMarch 3, 2022.
^"YOUNG, FREE AND NCT".Arena Homme + (in Korean). October 22, 2018.Archived from the original on June 26, 2020. RetrievedSeptember 21, 2021.
^Kim, Mi-ji (January 11, 2017).NCT 127 "'무한적아' 1위 공약? 하이터치 하고파"(종합) [NCT 127 "The promise of #1 in 'Infinite Child'? I want to do high-touch" (comprehensive)].X Sports News (in Korean).Archived from the original on September 20, 2021. RetrievedSeptember 20, 2021.
^Hong, Hye-min (February 13, 2023).NCT 해찬, 튀르키예·시리아 지진 피해에 1억 쾌척 [NCT's Haechan donates 100 million won for earthquake damage in Turkey and Syria].Hankook Ilbo (in Korean).Archived from the original on February 13, 2023. RetrievedFebruary 13, 2023 – viaNaver.
^Lee, Min-ji (August 22, 2023).NCT 해찬, 미국 하와이 산불 구호 성금 5천만원 기부 [공식] [NCT Haechan donates 50 million won to relief in Hawaii, USA [Official]].Newsen.Archived from the original on August 22, 2023. RetrievedAugust 22, 2023 – viaNaver.
オリコン月間 アルバムランキング 2025年10月度 [Oricon Monthly Album Ranking October 2025] (in Japanese). Oricon. Archived fromthe original on November 12, 2025. RetrievedNovember 12, 2025.
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