K-pop Boy Groups

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

June 23, 2026 | By
STC members are Donghyeon, Hyoya, Kangmin, and Sihyeon.
OriginSeoul, South Korea
DebutN/A
Number of Members4
MembersDonghyeon
Hyoya
Kangmin
Sihyeon
Oldest MemberDonghyeon
Youngest Member (Maknae)Sihyeon

STC Members Profile

Donghyeon

STC member Donghyeon
Full NameLee Dong Hyeon
BirthdayApril 28, 1991
BirthplaceSeoul, South Korea
Age35 years and 1 month old
Height6 feet 0 inches (184 cm)
Weight163 lbs (74 kg)
Zodiac SignTaurus
Chinese Zodiac SignSheep
Blood TypeAB
MBTIENFP
EducationDigital Seoul Culture Arts University
Instagram@hello__0428

Hyoya

STC member Hyoya
Full NameKim Jong Hyo
BirthdayJune 5, 1992
BirthplaceBusan, South Korea
Age34 years old
Height5 feet 10 inches (178 cm)
Weight147 lbs (67 kg)
Zodiac SignGemini
Chinese Zodiac SignMonkey
Blood TypeAB
EducationSchool of Performing Arts Seoul
Instagram@jonghyokim9

Kangmin

STC member Kangmin
Full NameKang Min Seok
BirthdayOctober 21, 1996
BirthplaceCheongju, North Chungcheong Province, South Korea
Age29 years and 8 months old
Height5 feet 9 inches (174 cm)
Weight119 lbs (54 kg)
Zodiac SignLibra
Chinese Zodiac SignRat
Blood TypeAB
MBTIINFJ
EducationKorea University of Media Arts, Seoul Digital University
Instagram@illxlllolll

Sihyeon

STC member Sihyeon
Full NameNam Kwon Hee
BirthdayMarch 17, 1997
BirthplaceN/A
Age29 years and 3 months old
HeightN/A
WeightN/A
Zodiac SignPisces
Chinese Zodiac SignOx
Blood TypeAB
MBTIN/A
PositionMaknae
Instagram@xixxyeon_

Member Ages: Oldest to Youngest

MemberBirthdayAge
DonghyeonApril 28, 199135 years, 1 month, 26 days old
HyoyaJune 5, 199234 years, 18 days old
KangminOctober 21, 199629 years, 8 months, 2 days old
SihyeonMarch 17, 199729 years, 3 months, 6 days old

FAQs

How many members are in STC?

STC is a 4-member K-pop boy group. The group consists of Donghyeon, Hyoya, Kangmin, and Sihyeon.

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