ASTEON Members Profile and Facts
ASTEON (아스테온) is a South Korean pre-debut actor-idol group under Megameta, a company founded by Fantagio founder/former CEO Na Byeongjun. The group plans to promote in various fields and connect with fans through different contents. Their debut was originally supposed to be through music web drama 매니저과 1등에게 구원받았다 in fall 2023 and the original soundtrack “Promise” recorded by the original four members, but these plans fell through. After some line-up changes, the group will most likely debut in 2025. The current members are Yoon Dojin, Ahn Junwon, Yang Junbeom and Nam Minsu.
Group Name Meaning: N/A
Official Greeting: N/A
ASTEON Official Fandom Name: N/A
Fandom Name Meaning: N/A
ASTEON Official Color(s): N/A
ASTEON Official Logo:
Official SNS:
Website: megametaent.com/ASTEON
Instagram: @asteon_official
X: @asteon_official
YouTube: @ASTEON-Official
ASTEON Member Profiles:
Yoon Dojin
Stage Name: Yoon Dojin (윤도진)
Birth Name: Yoon Do Jin (윤도진)
Position(s): N/A
Birthday: January 14, 1998
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Ox
Height: 185 cm (6’0″)
Weight: N/A
Blood Type: N/A
MBTI Type: ENFJ
Nationality: Korean
Instagram: @dzyunb
Yoon Dojin Facts:
– He was introduced as a new member on April 1, 2025.
– He has an older sister.
– He graduated from Suwon University and served in the Marine Corps after.
– He made his acting debut in the 2023 BL web drama Love Tractor. It was his 29th audition since deciding to become an actor.
– He is signed to Neos Entertainment for his individual activities.
Ahn Junwon
Stage Name: Ahn Junwon (안준원)
Birth Name: Ahn Jun Won (안준원)
Position(s): N/A
Birthday: February 3, 1999
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Tiger
Height: 185 cm (6’0″)
Weight: 73 kg (160 lbs)
Blood Type: N/A
MBTI Type: INTJ
Nationality: Korean
Instagram: @ahnjunwon__
YouTube: 안준원
Ahn Junwon Facts:
– He was added as a new member in early 2025.
– He is from Suncheon, South Jeolla Province, South Korea.
– He is best known for being a contestant on JTBC’s boy group survival show PROJECT 7 (2024), where he ranked 16th in the final episode.
– After the show he hosted the 4-episode YouTube variety show MUSIC CAMP featuring PROJECT 7 contestants.
– He served his mandatory military service as a member of the Marine Corps.
– He majored in Fashion Design at university.
– He has an older sister.
– He made his acting debut in 2024 when he appeard in three web/short form dramas.
He used to be a regular cast member on the 우주선 스튜디오 YouTube channel.
– In 2024 he appeared in actor Kim Dong-hwi’s music video for ‘Next Dream’.
– His special skills include playing the drums, singing, soccer and swimming.
– He used to play volleyball in middle school.
Show more Ahn Junwon facts…
Yang Junbeom
Stage Name: Yang Junbeom (양준범)
Birth Name: Yang Jun Beom (양준범)
Position(s): N/A
Birthday: January 30, 2005
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Monkey
Height: 187 cm (6’1″)
Weight: 73 kg (160 lbs)
Blood Type: N/A
MBTI Type: ENFJ
Nationality: Korean
Yang Junbeom Facts:
– Junbeom was introduced as one of the four original members on September 27, 2023.
– He graduated from Bojeong High School in Yongin, Gyeonggi Province and is currently enrolled in the Department of Performance and Film at Dankook University.
– He was featured in the January 2024 issue of @star1 magazine with an interview and pictorial.
– He was a cast member on season 3 of JTBC’s soccer variety show Gentleman’s League (2024-2025).
– Junbeom was a youth soccer player for 7 years.
– He dreamed of becoming an actor after watching tvN’s 2020 drama Hospital Playlist.
– His role model is actor and director Yoo Ji-tae.
– He wants to play a character like An Jun-ho from the Netflix drama D.P.
– His dream as an actor is to become a leading actor in a movie with 10 million viewers.
– He is interested in improving his acting skills.
– He would describe himself as pleasant, refreshing and exhilirating.
– His charming point are his eyes.
– The first thing he does in the morning is stretch and take a shower.
Nam Minsu
Stage Name: Nam Minsu (남민수)
Birth Name: Nam Min Su (남민수)
Position(s): Maknae
Birthday: 2005
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: 186 cm (6’1″)
Weight: 75 kg (165 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Nam Minsu Facts:
– He was introduced as a new member on April 1, 2025.
– He will make his acting debut in the serial short form romance drama Supercar Cinderella Story in 2025.
– His specialty is basketball.
Former Members:
Jang Yunseong
Stage Name: Jang Yunseong (장윤성)
Birth Name: Jang Yun Seo (장윤서)
Position(s): N/A
Birthday: April 4, 2001
Zodiac Sign: Aries
Chinese Zodiac Sign: Snake
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ISFP
Nationality: Korean
Instagram: @j_ng.y_nseo
Jang Yunseong Facts:
– Yunseong was introduced as one of the four original members on September 27, 2023 and left in late 2024/early 2025.
– He was born in Seoul, South Korea.
– He used to be a YG Entertainment trainee and participated in YG’s 2018 survival show Treasure Box where he was eliminated in ep. 9.
– Yunseong was rumored to be a CUBE Entertainment trainee after the survival show.
– He has had small acting roles in ‘At a Distance, Spring is Green‘ (2021) and ‘Jinxed at First‘ (2022).
– His role model is actor Kang Ha-neul.
– He wants to play a character like the Joker in The Dark Knight (2008).
– His dream as an actor is to win the Best Male Actor Award at the Blue Dragon Film Awards.
– He is interested in baseball.
– He would describe himself as a bright and positive person.
– His charming point is his bright smile.
– The first thing he does in the morning is check his phone.
Kwak Gun
Stage Name: Kwak Gun (곽건)
Birth Name: Kwak Gun (곽건), legalized to Kwak I Han (곽이한)
Position(s): N/A
Birthday: September 29, 2001
Zodiac Sign: Libra
Chinese Zodiac Sign: Snake
Height: 183 cm (6’0”)
Weight: 60 kg (132 lbs)
Blood Type: B
MBTI Type: ESTP
Nationality: Korean
Instagram: @ihanxkwak/ @ritz_hedgehog (hedgehog)
TikTok: @cfdsxj
Weibo: @StarlightBoys-郭建
Kwak Gun Facts:
– He was added to the group in spring 2024 and left in late 2024/early 2025.
– He changed his name to Kwak Ihan (곽이한) in April 2025.
– His father named him after the historical drama Taejo Wang Geon (2000).
– His hobbies are napping, taking walks by himself at Han river and watching movies and dramas.
– He likes to collect perfumes.
– His favorite colour is sky blue.
– His favorite place in Seoul to go with his friends is Garosu-gil.
– He likes to eat Subway cookies, donuts and croffles (both from his favorite cafes at Garosu-gil).
– He was a member of 14U joining the group in early 2019 a few months before their disbandment.
– After the disbandment he worked in a convenience store, billiard hall and a banana factory and as a styling assistant.
– He was preparing to debut in a group called Pê•che in the first half of 2023 but the group disbanded pre-debut.
– His role model is actor and singer Park Hyung-sik.
– He wants to play a character like Jo Myung-soo from The Heirs.
– His dream as an actor is to receive the Rookie of the Year Award.
– He is interested in interior design.
– He would describe himself with the word ‘dice’.
– His charming point is his bright energy.
– The first thing he does in the morning is feed his hedgehog.
– He was a contestant on Starlight Boys and was eliminated in episode 5.
Park Joonhyuk
Stage Name: Park Joonhyuk (박준혁)
Birth Name: Park Joon Hyuk (박준혁)
Position(s): N/A
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Park Joonhyuk Facts:
– Joonhyuk was introduced as one of the four original members on September 27, 2023 and left in late 2023/early 2024.
Moon Seonghyeok
Stage Name: Moon Seonghyeok (문성혁)
Birth Name: Moon Seong Hyeok (문성혁)
Position(s): N/A
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Moon Seonghyeok Facts:
– Seonghyeok was introduced as one of the four original members on September 27, 2023 and left in late 2023/early 2024.
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