ATEEN Members Profile & Facts
ATEEN (에이틴) was a 10 member pre-debut boy group under DS&A Entertainment. The group consisted of: Jonathan, L.Y, Heyden, Kim Chan, Sihyun, Kibin, Bill, King, Joel and Rookie. They made their unofficial debut in Japan on September 1, 2018 with their original songs “Just Having Fun” and “난 좀 달러 (I’m Different)”. The group disbanded in late 2018, and the members filed a lawsuit against the company for mistreatment and sexual harassment. The ATEEN members won and the case was closed in the second half of 2023.
Group Name Meaning: N/A
Official Greeting: N/A
ATEEN Fandom Name: N/A
Fandom Name Meaning: N/A
ATEEN Official Colors: N/A
ATEEN Official Logo:
Official SNS:
X: @AteenOfficial
Instagram: @ateenjp (Deleted)
ATEEN Member Profiles:
Jonathan
Stage Name: Jonathan (조나단)
Birth Name: Yau Chun Hon (尤俊汉)
Korean Name: Gu Jun Han (구준한)
English Name: Jonathan Yau
Position(s): Vocalist
Birthday: July 16, 1992
Zodiac Sign: Cancer
Chinese Zodiac Sign: Monkey
Height: 177 cm (5’10”)
Weight: 64 kg (141 lbs)
Blood Type: O
MBTI Type: N/A
Nationality: Chinese (Hong Kong)
Instagram: @jonathanyau
X: @jonathanyauvlog
Facebook: Jonathan Yau’s Vlog
YouTube: Jonathan Yau’s Vlog
Jonathan Facts:
– He’s a former member of NPI (2015-2016) and ELVIN CREW (2017).
– In September 2025, he established his own entertainment company, BLIX Entertainment.
– Following ATEEN‘s disbandment he returned to university and earned a master’s degree in architectural technology from Sungkyunkwan University in 2021.
– He studied abroad in Birmingham, United Kingdom, during his bachelors study.
– He went to high school in Dublin, Ireland.
– Jonathan speaks Korean, English, Cantonese, and Mandarin, as well as a bit of Japanese, Spanish and Bahasa.
– He was already acquainted with L.Y and Heyden before joining ATEEN as their former groups were under the same company, HICC Entertainment.
– He has a brother who is 7 years older than him.
– Jonathan participated in the Soompi Ulzzang Competition.
– He can play the piano. He also trained in the violin for 3 months but gave up after seeing how his teacher’s hands were always bloody.
– Jonathan enjoys composing his own music.
– His introduction to K-pop was in middle school when his friend showed him “Sorry Sorry” by Super Junior.
– He decided to become a K-pop idol because he was impressed by the choreographies and dance skills.
– His role model is EXO‘s Baekhyun, as he sings well and has a unique personality.
– He is a very big Disney fan.
– His favorite movies are Toy Story and Inception.
– His favorite colors are blue and purple.
– He doesn’t like spiders because of the way they look and because he’s afraid of the spider from the Harry Potter movies. An exception is Spiderman.
– His favorite foods are sweets, such as cakes and candies.
– His least favorite food is garlic.
– Two things on his bucketlist are skydiving and going to Magic Kingdom. When he was an idol it was performing at Asia World Expo in Hong Kong and the Olympic Stadium in Seoul.
– His favorite things to do are afternoon tea with friends and sleeping.
– He and Bill share a birthday.
– His ideal type is someone who is kind and knows him well.
Heyden
Stage Name: Heyden (헤이든)
Birth Name: Choi Dong Ha (최동하)
English Name: Leon
Position(s): Vocalist
Birthday: January 18, 1996
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Pig
Height: 170 cm (5’7″)
Weight: 62 kg (137 lbs)
Blood Type: B
MBTI Type: N/A
Nationality: Korean
Instagram: @_cdh_0118
X: @donghabook
Heyden Facts:
– He is a former member of Trigger (2016) under his given name Dongha (동하).
– He participated in Produce 101 Season 2 (2017), where he was eliminated in episode 5, placing 63rd.
– Heyden auditioned for MIXNINE (2017), but didn’t pass the auditions.
– He enlisted to the military following ATEEN‘s disbandment, and has completed his military service since.
– Prior to Produce 101, he trained for 4 years and 4 months.
– He got a C for his Produce 101 audition, and was later re-evaluated to a B.
– He was an individual trainee on Produce 101 just like Kim Chan, so they auditioned together and became close through the show.
– Heyden was already acquainted with L.Y and Jonathan before joining ATEEN as their former groups were under the same company, HICC Entertainment.
– He was a pro-gamer before becoming an idol, ranking 30th world-wide in Overwatch.
– He is close friends with J.SEPH from KARD.
– Heyden has multiple tattoos, including one on his arm that reads “Ancora Imparo”.
– He enjoys playing golf in his free time.
Kim Chan
Stage Name: Kim Chan (김찬)
Birth Name: Kim Chan (김찬)
Position(s): Vocalist
Birthday: June 1, 1996
Zodiac Sign: Gemini
Chinese Zodiac Sign: Rat
Height: 178 cm (5’10″)
Weight: 61 kg (134 lbs)
Blood Type: B
MBTI Type: N/A
Nationality: Korean
Instagram: @kimchannnnnnnnnn
X: @kimchan9661
TikTok: @kimchannnnnnnnnn
Kim Chan Facts:
– He’s a member of AMBITION (2022-2025) under the stage name Kyle (카일).
– He is currently a soloist under Wells Entertainment and made his solo debut with the single “SAUCY” on February 20, 2025, under the stage name CHÁN (찬).
– Chan is a former member of UTH (2019-2020).
– He appeared on Produce 101 Season 2 (2017), as an independent trainee, and was eliminated in episode 5, placing 82nd.
– He trained for 2 years and 4 months prior to Produce 101.
– Chan got a D for his Produce 101 audition, and later got re-evaluated to an F.
– He released the song “Gift” together with fellow Produce 101 contestants Kim Taewoo, Byun Hyunmin, and Choi Jaewoo.
– He and Heyden auditioned together for Produce 101 as they were both individual trainees, and became close through the show.
– Chan is close friends with former Trigger‘s Dwayne.
– He has a sister.
– His nickname is “Jandi” (meaning “Grass” in Korean).
– He can play the guitar and keyboard.
– His hobbies include playing a variety of sports (soccer, basketball, billiards, etc.), writing, toplining, and finding new music to listen to.
– His special skills are his vocals and learning point choreography.
– Chan’s favorite color is white.
– His favorite number is 6.
– Motto: “Let’s become a meaningful artist.”
Sihyun
Stage Name: Sihyun (시현)
Birth Name: Park Si Hyun (박시현)
Position(s): Rapper
Birthday: October 28, 1996
Zodiac Sign: Scorpio
Chinese Zodiac Sign: Rat
Height: 181 cm (5’11″)
Weight: 62 kg (136 lbs)
Blood Type: AB
MBTI Type: INTP
Nationality: Korean
Instagram: @churrosnutella/ @ae_churrosnutella
TikTok: @aidenpark96
YouTube: AIDEN
Soundcloud: AIDEN
Sihyun Facts:
– In 2019 he changed his name to Park Segun (박세건). As of September 2024 he has seemingly changed it back to Park Sihyun (박시현).
– After ATEEN‘s disbandment he joined B.I.T (2019) together with King, Rookie and Joel.
– He lived in Los Angeles, California, USA, for some time.
– He made his solo debut under the stage name AIDEN (에이든) with the double single album FATE on July 7, 2023.
– He’s part of the music and producer crew DIPBLU.
– Segun used to be a member of the YG Entertainment trainee group Team A, alongside TREASURE‘s Hyunsuk and AB6IX‘s Woong.
– He was previously a backup dancer for iKON and maintains a close friendship with the members till this day.
– He has choreographed for various popular groups, including WINNER and CLC.
– Segun is a former trainee at Banana Entertainment.
– He participated in the writing of all his solo songs, as well as AEONIT‘s “LUMOS” and “All I Need”.
Show more Segun facts…
Kibin
Stage Name: Kibin (기빈)
Birth Name: Shin Ki Been (신기빈), legalized to Shin Seung Ho (신승호)
Position(s): Vocal
Birthday: January 29, 1997
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Rat
Height: 170 cm (5’6″)
Weight: 54 kg (119 lbs)
Blood Type: N/A
MBTI Type: ESTJ
Nationality: Korean
Instagram: @seungholix/ @as_fffgqu771 (Inactive)
YouTube: Seungholic/ [Seungho’s Dance Studio]댄스승튜디오
Kibin Facts:
– He is a musical actor.
– He was part of the K-POP musical and dance group Kpop Krazy (2020) alongside former AQA‘s Hyun.
– On May 13, 2025, he released his first solo single “That Night Was Clear to Me”, in collaboration with producer HZeori.
– He has completed his military service.
– He currently works as a dance teacher at his own dance studio.
– Kibin has an older brother named Shin Kimun (신기문) and an older sister named Shin Jia (신지아).
– He performed at the 2018 Pyeongchang Olympics.
– He won the Musical Star Award at Daegu International Music Festival.
– Kibin can speak a bit of English.
– He is interested in clothes and traveling.
Bill
Stage Name: Bill (빌)
Birth Name: Kim Jae Hong (김재홍)
Position(s): Rapper
Birthday: July 16, 1997
Zodiac Sign: Cancer
Chinese Zodiac Sign: Ox
Height: 175 cm (5’8″)
Weight: 64 kg (141 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Instagram: @luo_rycz
Soundcloud: LUO_RYCZ
YouTube: LUO_김재홍
Bill Facts:
– He made his solo debut under the name LUO (루오) on June 2, 2021, with the single “Take 2 High”.
– Prior to his solo debut he had already been releasing music on his Soundcloud.
– He is active as a musical actor.
– He starred in the movie AR Project.
– Education: Sogang University (Graduated in 2023)
– He’s close friends with TO1‘s Kyungho.
– He can speak a bit of English.
– Bill is a baseball fan.
– He and Jonathan share a birthday.
L.Y
Stage Name: L.Y (엘와이)
Birth Name: Lee Yun Young (이윤영)
Position(s): Vocalist
Birthday: August 17, 1998
Zodiac Sign: Leo
Chinese Zodiac Sign: Tiger
Height: 183 cm (6’0″)
Weight: 70 kg (154 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Instagram: @_yunyoung_lee
L.Y Facts:
– He is a former member of ELVIN CREW (2017) under the name Siwoo (시우).
– L.Y was the main vocalist in ELVIN CREW.
– He enlisted in 2019, and has completed his military service since.
– He participated in the singing contest Superstar K 6.
– L.Y guested in the K-drama Woman With a Suitcase.
– After his military service he opened his own winebar called MOWa. In September 2025 the bar underwent a complete rebrand and turned into a korean dining place and wine shop.
– He got married on November 9, 2025, to his fiancée Jeongmin.
– L.Y trained at Def Dance School.
– He was already acquainted with Heyden and Jonathan before joining ATEEN as their former groups were under the same company, HICC Entertainment.
– His stage name is derived from the initials of his full name, Lee Yunyoung (이윤영).
King
Stage Name: King (킹)
Birth Name: Kim Ji Woong (김지웅)
Chinese Name: Di Xiong (地雄)
Position(s): Rapper
Birthday: December 14, 1998
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Tiger
Height: 179 cm (5’10″)
Weight: 64 kg (141 lbs)
Blood Type: AB
MBTI Type: ENFJ
Nationality: Korean
Instagram: @official_kimjiwoong
TikTok: @official_kimjiwoong
YouTube: KIMJIWOONG
King Facts:
– He was born in Pohang, Gyeongsangbuk Province, South Korea, and grew up in Wonju, Kangwon Province.
– He is a former member of ATEEN (2018) and B.I.T (2019-2020) under the stage name King (킹).
– King was a contestant on the survival show BOYS PLANET (2023) where he finished 8th place, making him a member of ZEROBASEONE (2023-present).
– He also participated in the digital survival show Burn Up (2020) and won 1st place. However his official debut got cancelled due to COVID-19, and he instead released a song with fellow winner Minjeong called “Sick Of Love”.
– He previously trained at SM Entertainment.
– He made his first K-drama appearance with a cameo in The Liar And His Lover, and made his official acting debut with a lead role the 2021 webdrama The Sweet Blood.
– King appeared in the music videos for WA$$UP‘s “Shut Up U”, Holland‘s “Number Boy”, Shin Yongjae‘s “So What, If The Flowers Are Pretty”, and Lim Hanbyul‘s “Beautiful Memories”.
– He used to be part of the dance crew Woneight together with Trigger‘s Sunny, LUCENTE‘s Taejun, N.CUS‘ Hojin, B.I.T‘s Jun, and 14U‘s Youngsu.
– He choreographed INX‘s debut single, “Alright”.
– In 2021 he launched his official online platform called Panic Rose, where he communicated with fans and displayed and sold his art.
– His trainee journey began at the age of 11. He stated that his parents weren’t very supportive at first.
– He had multiple part-time jobs during his trainee days, including being a dance teacher, working at a meat and chicken rib restaurant, cocktail bar, flower shop, and hotel dishwashing.
– He is fluent in Japanese as a result of promoting in Japan with his previous groups.
– King previously worked as freelance model and walked multiple fashion shows.
– He has many idol friends, including BLK‘s Jongin, Yoon Seobin, Holland, BOYS24‘s Hongin, and more.
– His role models are SHINEE‘s Taemin and Park Hyoshin.
– He is very athletic and enjoys sports such as cycling, swimming, and inline skating.
Show more King facts…
Joel
Stage Name: Joel (요엘)
Birth Name: Kim Gi Hwan/ Ki Hwan (김기환)
Position(s): Rapper
Birthday: April 25, 2000
Zodiac Sign: Taurus
Chinese Zodiac Sign: Dragon
Height: 181 cm (5’11)
Weight: 64 kg (141 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Instagram: @kimgiwhan_jesus
TikTok: @kimgiwhan
Joel Facts:
– After ATEEN disbanded, he joined B.I.T (2019) together with King, Rookie and Sihyun.
– He is currently active as an actor, and has made appearances in various dramas, musicals, and commercials.
– He landed his first main role in the educational disability awareness drama Let’s Dance.
– Joel also appeared in the K-dramas Sweet Home 2, Call It Love, and Never Give Up.
– He operates a pet daycare and hotel called Daily Meong, which opened in June 2025.
– He is a certified Level 1 Pet Care Specialist.
– In October 2025, his business was recognized by the Korean Customer Appraisal (KCA) as ranking within the top 30% of pet businesses nationwide.
– He used to have a pet dog called Mimi.
– His religion is Christianity.
– He occasionally participates in volunteer work.
Rookie
Stage Name: Rookie (루키)
Birth Name: Jeong Hyeon Seok (정현석)
Position(s): Maknae, Rapper
Birthday: April 19, 2001
Zodiac Sign: Aries
Chinese Zodiac Sign: Snake
Height: 170 cm (5’6″)
Weight: 57 kg (125 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Instagram: @imjust_hh/ @imjust_hh_
X: @imjust_hh
TikTok: @imjust_hh
Rookie Facts:
– After ATEEN’s disbandment he joined B.I.T together with King, Joel and Sihyun. (2019-2020)
– He is currently a member of the pre-debut group AMBITION (2022-present).
– He walked as a model at the Milano Kids Fashion Show.
– Rookie appeared on MBC’s variety show Surprise Mystery TV and TVN’s Blue Tower.
– He has several small tattoos on both his arms and a large tattoo on his chest.
– His biggest inspiration and role model is XXXTentacion.
– He participated in the lyric writing of AMBITION‘s single “Inception”.
– He is interested in fashion, particularly in designer clothing.
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Profile made by Y00N1VERSE and noa (forkimbit)
(Special thanks to perfecsian, Rea, YoonTaeKyung, Linnea Boqvist, Melanie, noa, Felix Aussie, anna, stan b.i.t, nugu, Greta Bazsik, 設立)
Original Songs (Fancams):
“난 좀 달러 (I’m Different)”
“Just Having Fun”
Who is your ATEEN bias? Do you know more facts about them? Feel free to comment below. 🙂
