Wong Yukhei (Chinese: 黄旭熙) known by his stage name Lucas (Hangul: 루카스) is a Hong Kong-Thai rapper and model born in Hong Kong on January 25, 1999. He is one of the rappers on NCT U and part of the main rappers, lead dancers and sub-vocalists on WayV. On 2019, he debut in the Kpop supergroup SuperM.

History on NCT


  • Stage Name: Lucas (루카스)
  • Zodiac Sign: Aquarius
  • Position:
    • Rapper
    • Lead-dancer
    • Sub-vocalist
  • Nickname: Giant Baby, Lucas Bieber, Fitness king, Xuxi, Huang XuXi, Kaka, Hehe, Foodcas, Bowcas




Year Album Artist Song
2018 Something New Taeyeon "All Night Long"


TV Shows

Year Title Channel Role Note
2018 Law of the Jungle in Maldives SBS Cast Member
Knowing Brothers '(


JTBC Guest
Real Men 300 (진짜 사나이 300) MBC Cast Member
Happy Together KBS2 Guest
2019 All For One




with WayV
2019 Happy Camp


ZJTV with WayV
Day Day Up


with WayV
Keep Running 《奔跑吧》 Fixed Cast
Ace vs Ace 《王牌對王牌》 Guest

Music Video

Year Title Artist MV Note
2017 Dream In A Dream Ten Official Video Pre-debut


Year Brand Notes
2018 中街 (Zhongjie) 1946 with Kun & Winwin
2019 AnMuXi for Keep Running
NEO Coffee
卡姿兰(Carslan) with Kun & YangYang


Date Show Name Brand
October 10, 2018 HERA Seoul Fashion Week Charm's


  • Hobbies: Listening to music, singing,[1], and working out.
  • Specialty: Rap, Exercise, Sports
  • Fears: Frogs,[1] Toads
  • Favorite Color: Black & Purple[1]
  • Favorite Food: Thai food[1]
  • Insturments: Saxophone
    • He doesn't like sweet food.[1]
  • He was introduced as SMROOKIES on April 6th, 2017.
  • He loves computer games.
  • His favorite celebrity is EXID's Hani.
  • He got into SM Entertainment through 2015 SM Global Audition in Hong Kong.
  • He appeared in Ten's music video for “Dream in a Dream”.
  • He got 2nd place in Javelin for interschool athletics.
  • He was seen attending Kim Sohyun's fansign in Hong Kong before officially joining SM.
  • He has a habit of touching his rings.
  • His parents owned a Thai restaurant in Hong Kong.
  • He has a younger brother that is 3 years younger than him.
  • He is half Chinese, half Thai. His father is Chinese and his mother is Thai.
  • His personal charm is giving good energy to others (moodmaker).
  • He wants to do a boyfriend concept.
  • He said he resembles Choi Minho (SHINee).
  • He can't do aegyo (cute actions) because he is manly (but sometimes he slays it).
  • His name is very meaningful and it fits his personality. While, 旭 (Cantonese: Yuk, Mandarin:X u) means rising sun and radiant, 熙 (Cantonese: Hei, Mandarin: Xi) means bright, happy and merry.
  • He can speak Mandarin, Cantonese, Korean, English and Thai.
  • He's friends with (G)I-DLE's Yuqi.
  • Lucas’ ambition before becoming an artist was to become a firefighter (Running Man ep.4)
  • He has a dog back home named Money.
  • Lucas visits Thailand every year, to see his mom. He mentioned this to WinWin as they were eating Thai food on the Hot & Young Seoul Trip ep 11.
  • Lucas claims he wasn’t popular among girls during high school because he was just too handsome. (“Happy Together”)
  • He would want to switch bodies with Kun because he would want to cook well.
  • Lucas wanted to join NCT DREAM because his age fits the concept (same year as Mark), so he practiced Chewing Gum and We Young.
  • He said that he too big (physically) for NCT DREAM in a Vlive with Mark.
  • Lucas is roommates with WinWin in WayV's dorm.
  • He's scouted to debut in SM's new super boy group, SuperM, alongside Mark, Ten, Taeyong and EXO's Baekhyun and Kai and SHINee's Taemin.
  • His role model is himself.[1]
  • As soon as he wakes up, he goes to the restroom.[1]
  • He thinks his face makes up his charm.[1]

Official Links


Nct logo.png
To view the Lucas gallery, click here.


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