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B.D.U Members Profile

B.D.U Members Profile and Facts:

B.D.U (비디유) (BOYS DEFINE UNIVERSE) is a pre-debut South Korean boy group under Stone Music Entertainment. The members are Bitsaeon, Seunghun, Jay Chang, and Kim Minseo. They are the finalists from Mnet’s project show, Build Up: Vocal Boy Group Survivor. The group will be active for two years. The group will be making their debut on June 26th, 2024 with the mini album, “wishpool“.

B.D.U Official Fandom Name: B.U (삐유)
Fandom Name Explanation: B.U stands for B.D.U with U, which means that they’re the ones who go forward with the group.
B.D.U Official Fandom Colors:

B.D.U Official Logo:

B.D.U Official SNS:
Instagram: @bdu4official
X (Twitter): @bdu4official@BDU_STAFF
YouTube: B.D.U
Mnet+: B.D.U

B.D.U Member Profiles:

Stage Name: Bitsaeon (빛새온)
Birth Name: Kim Sangyeon (김상연)
Position: N/A
June 4th, 1995
Zodiac Sign: Gemini
Height: 181 cm (5’11”)
Blood Type: O
Group: M.O.N.T
Instagram: @bitsaeon0604

Bitsaeon Facts:
– He was born in Ganghwa Island, South Korea.
– His family consists of him, his parents, and his older sister.
– Bitsaeon’s stage name means “new and strong light”.
– If he wasn’t an idol, he would have want to become a vocal teacher.
– His favorite colors are white and purple.
– His favorite animals are cats and dogs.
– Bitsaeon can play the piano and guitar. He is self-taught.
– If he could have a superpower he would choose teleportation so he could travel around the world.
– He can sing in various different languages. (EnglishHebrewSwedishNorwegianSpanish, etc.)
– His favorite food is sushi.
– He enlisted in the military on November 30th, 2020. He was discharged on May 29th, 2022.
Bitsaeon’s Ideal Type: Someone who looks cute when smiling and pretty despite whatever mood they are in.


Stage Name: Seunghun (승훈)
Birth Name: Kim Seunghun (김승훈)
English Name: Marc Kim
Birthday: February 26th, 1999
Zodiac Sign: Pisces
Height: 182 cm (5’11”)
Blood Type: AB
Nationality: Korean
Group: CIX

Seunghun Facts:
– He was born in Cheongju, North Chungcheong, South Korea.
– His family consists of him, his parents, and his younger brother.
– Seunghun is a big fan of the band, LUCY. He is also a fan of DEAN and Anne-Marie.
– He is friends with AB6IX‘s Woong and CRAVITY‘s Serim.
– A sport he really likes is football. He also seems to enjoy playing futsal.
Show more Seunghun fun facts…

Jay Chang

Stage Name: Jay Chang (제이창)
Position: N/A
Birthday: March 8th, 2001
Zodiac Sign: Pisces
Height: 175 cm (5’9″)
Blood Type: O
Nationality: American
Instagram: @jaychang63
Twitter: @jchang63
YouTube: Jay Chang

Jay Chang Facts:
– Jay Chang was born in New Jersey, USA.
– His family consists of him and his parents.
– Jay Chang’s mom is Filipino-Chinese and his dad is Irish-Hungarian. (TikTok)
– His dad is his inspiration.
– He mainly listens to early 2000-2010 rock music.
– He knows how to play the drums as he used to play them for about 15 years in USA.
– His favorite season is autumn. (Instagram Live)
– His favorite colors are yellow and crimson red.
– Jay Chang is allergic to nuts.
– He is friends with AMPERS&ONE‘s Kamden and Beomhan.
– He made his debut as a soloist on October 17th, 2023 with the mini album, “LATE NIGHT“.
Show more Jay Chang fun facts…

Kim Minseo

Stage / Birth Name: Kim Minseo (김민서)
Position: Maknae
January 11th, 2003
Zodiac Sign: Capricorn
Height: 183 cm (6’0″)
Blood Type: N/A
Nationality: Korean
Instagram: @minseo_ale

Kim Minseo Facts:
– His family consists of him, his parents, and his younger brother.
– He was a contestant on the survival show The Origin – A, B, or What?, but was eliminated in the 8th episode.
– Kim Minseo can speak Korean, Chinese, and English.
– He has spent 10 years in China when he was younger.
– Kim Minseo has attended an international school which is why he’s so fluent in English.
– He knows how to play the guitar.
– His nickname is Dinosaur.
– He is a big fan of the anime, One Piece.

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For Reference On MBTI Types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging

(Special thanks to: KoudaTV, binanacake, cntrljinsung, Min Ailin, Yukii)

Who is your B.D.U bias?

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[pic: CHLOE of cignature]
She / Her. A multistan fangirl of KHH & KPOP, who also love sharing her fav singers, actors, actresses, etc.