The name of the group: Twice
Fandom name: Once
Entertainment: JYP Entertainment
Debut year: 2015
Number of members: 9
Members:
Park Ji Hyo (박지효) - Birth date: 1.2.1997, Korean, Leader of the group, Main vocalist
Nayeon (Im Na Yeon, 임나연) - Birth date: 22.9.1995, Korean, Lead vocalist, Lead dancer, Center, Face of the group
Jeongyeon (Yoo Jeong Yeon, 유정연) - Birth date: 1.11.1996, Korean, Lead vocalist
Momo (Hirai Momo, 平井 もも) - Birth date: 9.11.1996, Japanese, Main Dancer, Sub Vocalist, Sub Rapper
Sana (Minatozaki Sana, 湊崎 紗夏) - Birth date: 29.12.1996, Japanese, Sub vocalist
Myoui Mina (名井 南) - Birth date: 24.3.1997, Japanese, Main Dancer, Sub Vocalist
Dahyun (Kim Da Hyun, 김다현) - Birth date: 28.5.1998, Korean, Lead Rapper, Sub Vocalist
Chaeyoung (Son Chae Young, 손채영) - Birth date: 23.4.1999, Korean, Main Rapper, Sub Vocalist
Tzuyu (Chou Tzuyu, 周子瑜) - Birth date: 14.6.1999, Taiwanese, Lead Dancer, Sub Vocalist, Visual, Maknae
Source: https://kprofiles.com/twice-members-profile/
Picture: https://cdn.shopify.com/s/files/1/0634/8292/1181/collections/twice-579491.webp?v=1676385741