B.D.U Members Profile and Facts:
B.D.U (비디유) was a 4-member South Korean boy group under ORCA MUSIC, consisted of Bitsaeon, Seunghun, Jay Chang, and Kim Minseo. They were the finalists from Mnet’s project show, Build Up: Vocal Boy Group Survivor. The group will be active for two years. They debuted on June 26, 2024, with their first mini album, Wishpool. On March 23, 2026, the group officially disbanded.
Group Name Meaning: BOYS DEFINE UNIVERSE.
Official Greeting: “Hello! We are B.D.U.”
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 Color: N/A
B.D.U Official Logo:
Official SNS:
Instagram: @bdu4official
X: @bdu4official / @BDU_STAFF
YouTube: B.D.U
Mnet+: B.D.U
B.D.U Member Profiles:
Bitsaeon
Stage Name: Bitsaeon (빛새온)
Birth Name: Kim Sang-yeon (김상연)
Position(s): Leader
Birthday: June 4th, 1995
Zodiac Sign: Gemini
Chinese Zodiac Sign: Pig
Height: 181 cm (5’11”)
Weight: 60 kg (132 lbs
Blood Type: O
MBTI Type: INFJ
Nationality: Korean
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. (English, Hebrew, Swedish, Norwegian, Spanish, etc.)
– His favorite food is sushi.
– He enlisted in the military on November 30, 2020. He was discharged on May 29, 2022.
– Bitsaeon’s Ideal Type: Someone who looks cute when smiling and pretty despite whatever mood they are in.
Seunghun
Stage Name: Seunghun (승훈)
Birth Name: Kim Seung-hun (김승훈)
English Name: Marc Kim
Position(s): N/A
Birthday: February 26th, 1999
Zodiac Sign: Pisces
Chinese Zodiac Sign: Rabbit
Height: 182 cm (5’11”)
Weight: 65 kg (143 lbs)
Blood Type: AB
MBTI Type: ENFP
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)
Birth Name: Jay Steven Kapossy
Position(s): N/A
Birthday: March 8th, 2001
Zodiac Sign: Pisces
Chinese Zodiac Sign: Snake
Height: 175 cm (5’9″)
Weight: 57 kg (126 lbs)
Blood Type: O
MBTI Type: INFP
Nationality: American
Group: ONE PACT
Instagram: @jaychang63
X: @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 debuted as a soloist on October 17, 2023 with the mini album, LATE NIGHT.
Show more Jay Chang fun facts…
Kim Minseo
Stage Name: Kim Minseo (김민서)
Birth Name: Kim Min-seo (김민서)
Position(s): Maknae
Birthday: January 11th, 2003
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Horse
Height: 183 cm (6’0″)
Weight: 64 kg (141 lbs)
Blood Type: N/A
MBTI Type: INFP
Nationality: Korean
Instagram: @minseo_ale
Kim Minseo Facts:
– He was born in Gwangju, South Korea.
– Kim Minseo has a 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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Note 2: Bitsaeon‘s position was confirmed during BTOB‘s Eunkwang variety show.
For Reference On MBTI Types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging
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Related:
B.D.U Discography
Latest Official Release:
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