| Origin | Seoul, South Korea |
| Debut | June 20, 2016 |
| Disbanded | 2017 |
| Members | Weiyang Lina LuLu Yuri Jiyoung Sona-K |
| Oldest Member | Lina |
| Youngest Member (Maknae) | Sona-K |
| Tallest Member | Yuri |
| Shortest Member | Lina |
O21 Former Members Profile
Weiyang
| Full Name | Shào Wěi Yáng |
| Birthday | June 25, 1993 |
| Birthplace | N/A |
| Age | 33 years old |
| Height | 5 feet 5 inches (165 cm) |
| Weight | 103 lbs (47 kg) |
| Zodiac Sign | Cancer |
| Position | Leader, Lead Vocalist, Lead Dancer, Visual |
| o21vyang |
Lina
| Full Name | Zheng Lina |
| Birthday | March 01, 1990 |
| Birthplace | Osaka, Japan |
| Age | 36 years and 3 months old |
| Height | 5 feet 2 inches (158 cm) |
| Weight | 101 lbs (46 kg) |
| Zodiac Sign | Pisces |
| Position | Main Rapper, Lead Vocalist |
| lina____z |
LuLu
| Full Name | Qiu Luqing |
| Birthday | July 28, 1991 |
| Birthplace | Shanghai, China |
| Age | 34 years and 11 months old |
| Height | 5 feet 5 inches (165 cm) |
| Weight | 106 lbs (48.5 kg) |
| Zodiac Sign | Leo |
| Education | Hangzhou Art School, Musical Performance Department |
| Position | Sub Vocalist, Sub Rapper |
| lulululuqiu0728 |
Yuri
| Full Name | Yueer Hu |
| Birthday | January 01, 1996 |
| Birthplace | Jiangxi, China |
| Age | 30 years and 5 months old |
| Height | 5 feet 6 inches (168 cm) |
| Weight | 112 lbs (51 kg) |
| Zodiac Sign | Capricorn |
| Education | Shanghai Theater Academy |
| Position | Lead Vocalist, Main Dancer |
Jiyoung
| Full Name | Park Jiyoung |
| Birthday | May 13, 1997 |
| Birthplace | Busan, South Korea |
| Age | 29 years and 1 month old |
| Height | 5 feet 5 inches (166 cm) |
| Weight | 103 lbs (47 kg) |
| Zodiac Sign | Cancer |
| Position | Main Vocalist |
Sona-K
| Full Name | Wang Zhaojun |
| Birthday | July 12, 1998 |
| Birthplace | N/A |
| Age | 27 years and 11 months old |
| Height | 5 feet 3 inches (163 cm) |
| Zodiac Sign | Cancer |
| Position | Sub Vocalist, Maknae |
| djkkkiki |
Member Ages: Oldest to Youngest
| Member | Birthday | Age |
|---|---|---|
| Lina | March 01, 1990 | 36 years, 3 months, 27 days old |
| LuLu | July 28, 1991 | 34 years, 11 months old |
| Weiyang | June 25, 1993 | 33 years, 3 days old |
| Yuri | January 01, 1996 | 30 years, 5 months, 27 days old |
| Jiyoung | May 13, 1997 | 29 years, 1 month, 15 days old |
| Sona-K | July 12, 1998 | 27 years, 11 months, 16 days old |
FAQs
When did O21 debut?
O21 debuted on June 20, 2016, with their single SHOW ME.
