The group consists of 5 members. Choi Yeonjun, Choi Soobin, Choi Beomgyu, Kang Taehyun & Huening Kai (from eldest to youngest.)
K-Pop groups usually have set postions like 'Lead Vocalist', 'Main Vocalist' and etc, however TXT have no set postions except for Choi Soobin who is the Leader of the group.
The TXT fandom is called MOA (Moments of Alwaysness). The name was released 22 August 2019.