Gugudan

Gugudan, also stylized as gu9udan or gx9, was a South Korean girl group formed in 2016 by Jellyfish Entertainment and the company's first girl group. The group debuted on June 28, 2016, with their EP Act. 1 The Little Mermaid. The group was composed of eight members: Mimi, Hana, Haebin, Nayoung, Sejeong, Sally, Soyee and Mina. Originally a nine-piece group, Hyeyeon left the group in October 2018. Following two years with no group activities, Gugudan disbanded on December 31, 2020. History Pre-debut In January 2016, Nayoung, Sejeong and Mina were introduced as Jellyfish Entertainment's first female trainees on the Mnet survival show, Produce 101, where 101 female trainees from various companies competed to debut in an eleven-member girl group that would promote for a year under YMC Entertainment. After placing 2nd and 9th respectively in the final episode, Sejeong and Mina debuted as members of I.O.I in May 2016.