Gu9udan – Gx9 (구구단)
- Debut (Y.M.D): 16.06.28
- Latest Album Released (Y.M.D): 18.11.06
- Label: Jellyfish Entertainment
- Music Videos (Official Videos): Wonderland, A Girl Like Me (나 같은 애), Chococo, The Boots, Not That Type
- Discography: Act 1: The Little Mermaid, Act 2: Narcissus, Act 3: Choco Factory, Act 4: Cait Sith, Act 5: New Action
- Fan Club: Danjjak (단짝) / Dear Friend
- Symbol:
- Sub-Unit: Gugudan 5959 (구구단오구오구)
- Music Videos (Official Videos): Ice Chu
- Discography: Ice Chu (digital single)
- Sub-Unit: Gugudan Semina (구구단 세미나)
- Music Videos (Official Videos): Semina (샘이나)
- Discography: Semina
OFFICIAL SITES:
- Daum Café
- Homepage
- Youtube
- Twitter / Instagram / TikTok
- Mimi @ / mimi01o1
- Hana @ / allbyhana
- Haebin @ / haebeeni_
- Na Young @ / kny_951123
- Sejeong @ / clean_0828
- Soyee @ / imsoyee
- Mina @ / _happiness_o
MEMBERS:
- Name (Real Name): Mimi (Jung Mimi)
- Hangul: 미미
- Position: Vocal
- Birthday (Y.M.D): 93.01.01
- Nationality: Korean
- Height: 163cm (5ft 4in)
- Blood Type: B
- Sub-Unit: N/A
- Time Table / Symbol*: #7 / arrow
- Currently In*: CATtRIEVER
- Name (Real Name): Hana (Shin Bo Ra)
- Hangul: 하나
- Position: Leader, Vocal
- Birthday (Y.M.D): 93.04.30
- Nationality: Korean
- Height: 162cm (5ft 4in)
- Blood Type: A
- Sub-Unit: N/A
- Time Table / Symbol*: #1 / flower
- Name (Real Name): Haebin (Han Hae Bin)
- Hangul: 해빈
- Position: Vocal
- Birthday (Y.M.D): 95.08.16
- Nationality: Korean
- Height: 169cm (5ft 7in)
- Blood Type: N/A
- Sub-Unit: N/A
- Time Table / Symbol*: #6 / equalizer
- Currently*: Solo
- Name (Real Name): Na Young (Kim Na Young)
- Hangul: 나영
- Position: Vocal
- Birthday (Y.M.D): 95.11.23
- Nationality: Korean
- Height: 169cm (5ft 7in)
- Blood Type: O
- Sub-Unit: Gugudan Semina
- Time Table / Symbol*: #4 / astric or light
- Name (Real Name): Sejeong (Kim Se Jung)
- Hangul: 세정
- Position: Vocal
- Birthday (Y.M.D): 96.08.28
- Nationality: Korean
- Height: 164cm (5ft 4in)
- Blood Type: AB
- Sub-Unit: Gugudan Semina
- Time Table / Symbol*: #3 / clover
- Formerly in*: I.O.I
- Currently*: Solo as Kim Sejeong
- Name (Real Name): Sally (Ryu Syening)
- Hangul: 샐리
- Position: Vocal
- Birthday (Y.M.D): 96.10.23
- Nationality: Chinese
- Height: 163cm (5ft 4in)
- Blood Type: N/A
- Sub-Unit: N/A
- Time Table / Symbol*: #8 / eight
- Name (Real Name): Soyee (Jang So Jin)
- Hangul: 소이
- Position: Vocal
- Birthday (Y.M.D): 96.11.21
- Nationality: Korean
- Height: 172cm (5ft 8in)
- Blood Type: AB
- Sub-Unit: N/A
- Time Table / Symbol*: #2 / sharp
- Name (Real Name): Mina (Kang Min Ah)
- Hangul: 미나
- Position: Vocal
- Birthday (Y.M.D): 99.12.04
- Nationality: Korean
- Height: 162cm (5ft 3in)
- Blood Type: O
- Sub-Unit: Gugudan 5959, Gugudan Semina
- Time Table / Symbol*: #9 / pinwheel
- Formerly in*: I.O.I
FORMER MEMBERS:
- Name (Real Name): Hyeyeon (Jo Hye Yeon)
- Hangul: 혜연
- Position: Maknae, Vocal
- Birthday (Y.M.D): 00.08.05
- Nationality: Korean
- Height: 166cm (5ft 5in)
- Blood Type: O
- Sub-Unit: Gugudan 5959
- Time Table / Symbol*: #5 / heart