NXMERCY Members Profile and Facts
NXMERCY (노머시) is a 4-member South Korean pre-debut boy group under Lowkeyhouse Entertainment. The group consists of Siu, Hawoon, Youn, and Woojoo. Their are set to debut on March 16, 2026 with their first full-length album BURN THE BLUE.
Group Name Meaning: No Mercy.
Official Greeting: N/A
NXMERCY Official Fandom Name: N/A
Fandom Name Meaning: N/A
NXMERCY Official Color: N/A
NXMERCY Official Logo:
Official SNS:
Instagram: @nxmercy_official
TikTok: @nxmercy_official
NXMERCY Member Profiles:
Siu
Stage Name: Siu (시우)
Birth Name: Hwang In Seok (황인석)
Position(s): Leader, Main Dancer, Lead Vocalist, Act
Birthday: May 19, 1995
Zodiac Sign: Taurus
Chinese Zodiac Sign: Pig
Height: 175 cm (5’8″)
Weight: 63 kg (138 lbs)
Blood Type: A
MBTI Type: ESFP
Nationality: Korean
Representative Color: White
Instagram: @siu0519
X: @siu0519
Facebook: @siu0519
TikTok: @siu0519
YouTube: @Siu0519
Siu Facts:
– He was born in Gwangju, South Korea.
– He is a former member of DUSTIN (2019-2025), SAVE (2018), and Challenger (2017-2018).
– He used to be under Na Entertainment (2019-2025) and ShowBox Entertainment (2017-2018/ Japan).
– His nicknames are Tteokbo Siu, Sugar Siu, and Child Siu.
– Siu and Hawoon were the first confirmed members of the group.
– His favorite animals are dogs.
– Siu’s favorite color is white.
– He is a fan ofthe animes Hunter x Hunter and Doraemon.
– Siu’s hobbies are shopping, composing, going to cafes, playing games, video editing, sleeping, dancing, and choreographing.
– His family consists of his parents and an older brother.
– He has two pet dogs named Bangja and Hyangdan .
– He can speak Japanese.
– He has experience in choreography and songwriting, having choreographed his former group DUSTIN’s songs “Crazy” and “Blacklist”, and participated in writing the lyrics for both songs as well as “NEW LOVE”.
– He officially released his first solo song, “이게아닌데 (This Isn’t It)”, on May 11, 2020.
– He was active as a professional b-boy for a long time.
See more facts about Siu…
Hawoon
Stage Name: Hawoon (하운)
Birth Name: Choi Ji Ho (최지호)
Position(s): Main Vocalist, Composing
Birthday: August 22, 1993
Zodiac Sign: Leo
Chinese Zodiac Sign: Rooster
Height: 175 cm (5’9″)
Weight: 58 kg (127 lbs)
Blood Type: B
MBTI Type: ISTJ
Nationality: Korean
Representative Color: Yellow
Instagram: @hawoonsgram
TikTok: @hawoonee
Hawoon Facts:
– He was born in Seoul, South Korea.
– He is a former member of D.I.P (2016), NewTownBoyz (2017), Challenger (2018), and MUSTB (2019).
– He also used to go by the stage names Jeeho (지호) and Ohi (오히) in his former groups.
– He used to be under MustM Entertainment (2019), ShowBox Entertainment (2018), First Step Company (2017), and Inter B.D Entertainment (2016).
– His hobby is shopping.
– He can do voice impressions of cartoon characters such as Mr. Krabs from SpongeBob SquarePants and Doraemon from Doraemon.
– He is known for being sociable and saying whatever is on his mind.
– He can play the piano and guitar.
– One of his charming points is his distinct voice.
– He studied at Baekje University of Arts and graduated with an associate degree.
– He has two pet cats named Alpha and Yuwol.
– His favorite sport is tennis.
– His personal motto is “Let’s do more tomorrow than today”.
– He has several celebrity friends, including Jinny (Bigflo, UNB, A.Cian), Jin Seungwook (TEN-X, VARSITY, N.TIC), soloist Kim Juna, and more.
– He is good at drawing.
Youn
Stage Name: Youn (윤)
Birth Name: Lee Yoon (이윤)
Position(s): Rapper
Birthday: December 3, 1994
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Dog
Height: 180 cm (5’11”)
Weight: 57 kg (125 lbs)
Blood Type: N/A
MBTI Type: INFP
Nationality: Korean
Representative Color: Blue
Instagram: @94.12.0x
TikTok: @lee_uni
Youn Facts:
– He is a former member of Challenger (2018-2019) and M.Crown (2015-2016).
– His hobbies are dancing, going to the cinema, and watching dramas.
– His specialty is playing the drums.
– His personal motto is “Living as a good person”.
– He has two pet dogs.
– He also used to go by the stage name Laon/Raon (라온) in his former groups.
– He was confirmed as a member on March 6, 2026.
– He used to be uder StarPro Entertainment (2015-2016) and ShowBox Entertainment (2018-2019/ Japan).
– He is friends with Wonjoo (Heart.V, The Fifth Season, VL, Midnight, Sesang, Payday) and ANTARES‘ Zino.
– He is passionate about music and dancing.
Woojoo
Stage Name: Woojoo (우주)
Birth Name: N/A
Position(s): Lead Dancer, Sub-Vocalist, Rapper
Birthday: September 13
Zodiac Sign: Virgo
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ESFJ
Nationality: Korean
Representative Color: Purple
Instagram: @woojoo_com
TikTok: @sywi_77_xx
Woojoo Facts:
– He often shares covers and hosts livestreams on TikTok.
– He can speak Japanese.
– He loves cats.
– He was confirmed as a member on March 6, 2026.
– He also goes by the stage name Nyang for his content on TikTok.
– He used to be part of a dance cover team.
– His personal fandom name is NyangNyangz.
Note1 : Please don’t copy-paste the content of this page to other sites/places on the web. Please do respect the time and effort the author put in compiling this profile. If you need/want to use info from our profile, please kindly put a link to this post. Thanks a lot! 
– Kprofiles.com
Note 2: Their positions and MBTI types were confirmed via the group’s Instagram account.
Links: Siu, Hawoon, Youn, Woojoo.
For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging
Made by: “felipe grin§”
(Special thanks to: noa (forkimbit), out8luck)
Who is your NXMERCY bias? Do you know more facts about them? Feel free to comment below. 
