Stage Name: Zizi (지지) [formerly Mohae (모해)]
Birth Name: Ko Jisu (고지수)
Birthday: February 26, 1998
Zodiac Sign: Pisces
I. 2019–present: Birthday
Sometime in 2019, Zizi, then introduced as Mohae, became a member of the pre-debut girl group Crescendo.
Over time, Crescendo's debut was delayed and by June 2021, Crescendo changed their group name into Birthday, during which time she changed her stage name to Zizi.
III. Zizi Facts
– She is Hyeyeon’s younger sister.
– She’s a fan of Taeyeon.
– She is the maknae of the group