K-pop Girl Groups

Tier 4 Members Profile: Full Names, Ages, Heights, Weights and More

June 28, 2026 | By
Tier 4 members are HAchubby, Yunicorn19, Jinnytty, and Yuggie_TV.
OriginSeoul, South Korea
DebutAugust 23, 2020
Disbanded2021
Number of Members4
MembersHAchubby
Yunicorn19
Jinnytty
Yuggie_TV

Tier 4 Former Members Profile

HAchubby

Tier 4 member HAchubby
Full NameN/A
BirthdayNovember 30, 1989
BirthplaceN/A
Age36 years and 6 months old
HeightN/A
Zodiac SignSagittarius
Instagramhachubbytv

Yunicorn19

Tier 4 member Yunicorn19
Full NameYuni
BirthdayN/A, 1991
BirthplaceN/A
AgeN/A
HeightN/A
Zodiac SignN/A
Instagramyunicorn19

Jinnytty

Tier 4 member Jinnytty
Full NameYoo Yoonjin
BirthdayJuly 28, 1992
BirthplaceN/A
Age33 years and 11 months old
HeightN/A
Zodiac SignLeo
EducationYonsei University
Instagramyyj0728

Yuggie_TV

Tier 4 member Yuggie_TV
Full NameN/A
BirthdaySeptember 1, N/A
BirthplaceN/A
AgeN/A
HeightN/A
Zodiac SignVirgo
Instagramyuggietv

FAQs

How many members are in Tier 4?

Tier 4 is a 4-member K-pop girl group. The group consists of HAchubby, Yunicorn19, Jinnytty, and Yuggie_TV.

When did Tier 4 debut?

Tier 4 debuted on August 23, 2020, with their song Bang Bang.

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