Taeyeon- leader , main vocal Tiffany - main vocal , lead dancer Hyoyeon - main dancer,lead vocal Yuri - face of the group,lead dancer Yoona - main dancer,maknae
Taeyeon, Tiffany and Sooyoung. Taeyeon has the imba skills the others lack, Sooyoung has the dance and the charisma and Tiffany knows how to get the public plus brings a different voice.
Yoona: Face of the group Taeyeon: Voice of the group Hyoyeon: Lead rapper and dance Sooyoung: Leader (because she cares about people. The reason why is because whenever someone have a mistake like wrong position she makes sure they go to the right place) Seohyun: Maknae