UDTT Members Profile

우당탕탕 소녀단

Name:: UDTT
Hangul:: 우당탕탕 소녀단
Fandom:: Unannounced
Debuted On:: Apr 29, 2025
Group Type:: Girl

About UDTT

UDTT (우당탕탕 소녀단) is a 5-member South Korean girl group under SW Entertainment. The group consists of Risako, Han Chaehee, Koo Hanna, Jessica, and Kwon Yejin. Jung Sena left the group on March 26, 2025. They released their first pre-debut single titled “𝐑𝐄𝐓𝐑𝐘” on December 11, 2024. They officially debuted on April 29, 2025, with their first single album, School Rush.

Music Label

SW Entertainment

Created By

Luckyvickyy

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UDTT Members

UDTT members are Risako, Han Chaehee, Koo Hanna, Jessica, and Kwon Yejin.

28 yo

RisakoUDTT Member Profile

Leader, Vocalist, Dancer

24 yo

Han ChaeheeUDTT Member Profile

Sub Vocalist

22 yo

Koo HannaUDTT Member Profile

Main Vocalist, Dancer

21 yo

JessicaUDTT Member Profile

Member

19 yo

Kwon YejinUDTT Member Profile

Sub Vocalist, Maknae

Member Ages

Avg Age	23.4 years old
Oldest	Risako (28 years old)
Youngest	Kwon Yejin (19 years old)
Avg Gap	27.2 months
Next Birthday	Risako (Jun 7)
Last Birthday	Jessica (Feb 17)

Member Heights

Tallest	Jessica (174 cm / 5ft 9in)
Shortest	Risako (161 cm / 5ft 3in)
Avg Height	167.7 cm / 5ft 6in
Avg Gap	6.5 cm / 2.6 in

Risako

Han Chaehee