K-pop Boy Groups

BDC Members Profile: Full Names, Ages, Heights, Weights and More

June 27, 2026 | By
BDC members are Sihun, Seongjun, and Junghwan.
OriginSeoul, South Korea
DebutSeptember 23, 2020
DisbandedAugust 26, 2023
Number of Members3
MembersSihun
Seongjun
Junghwan
Oldest MemberSihun
Youngest Member (Maknae)Junghwan
Tallest MemberJunghwan
Shortest MemberSihun

BDC Former Members Profile

Sihun

BDC member Sihun
Full NameKim Si Hun
BirthdayOctober 13, 1999
BirthplaceJeju, South Korea
Age26 years and 8 months old
Height5 feet 9 inches (175 cm)
Weight121 lbs (55 kg)
Zodiac SignLibra
Chinese Zodiac SignRabbit
Blood TypeB
MBTIISTJ
EducationDepartment of Practical Dance at Hanlim Entertainment and Arts High School
PositionLeader, Main Rapper, Main Dancer, Vocalist
Instagram@xiihun_

Seongjun

BDC member Seongjun
Full NameHong Seong Jun
BirthdayMarch 14, 1999
BirthplaceSeongnam City, Gyeonggi-do, South Korea
Age27 years and 3 months old
Height5 feet 10 inches (179 cm)
Weight121 lbs (55 kg)
Zodiac SignPisces
Chinese Zodiac SignRabbit
Blood TypeA
MBTIENFP
EducationBundang High School
PositionLead Vocalist, Lead Dancer
Instagram@hong.seong.jun

Junghwan

BDC member Junghwan
Full NameYun Jung Hwan
BirthdayFebruary 19, 2001
BirthplaceGangdong-gu, Seoul, South Korea
Age25 years and 4 months old
Height5 feet 11 inches (181.9 cm)
Weight145 lbs (66 kg)
Zodiac SignPisces
Chinese Zodiac SignSnake
Blood TypeAB
MBTIISTP
EducationSeoul Cheonho Elementary School, Seoul Performing Arts High School, Howon University
PositionMain Vocalist, Maknae
Instagram@i_am_yun__LUVEN

Member Ages: Oldest to Youngest

MemberBirthdayAge
SeongjunMarch 14, 199927 years, 3 months, 13 days old
SihunOctober 13, 199926 years, 8 months, 14 days old
JunghwanFebruary 19, 200125 years, 4 months, 8 days old

FAQs

How many members are in BDC?

BDC is a 3-member K-pop boy group. The group consists of Sihun, Seongjun, and Junghwan.

When did BDC debut?

BDC debuted on September 23, 2020, with their extended play The Intersection : Belief.

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