Birth Name: Kim Tae-yeon (김태연)
Nicknames: Taeng, Taengoo (Taeng9), Tete, Kid Leader, ByunTaeng (pervert Taeng), JumTaeng
Position: Leader & Main Vocalist
Date of Birth: March 9, 1989
Zodiac Sign: Pisces
Sibling(s): 1 older brother, 1 younger sister
Language: Korean (Fluent), English, Chinese (Basic), Japanese (Basic)
Casted: 2004 SM 8th Annual Best Contest (Best Singer 1st Place Grand Award)
Training Duration: 3 Years 3 Months
* Despite her kid-like appearance, Taeyeon is the oldest member and leader of SNSD.
* Taeyeon is the SNSD member with the largest fanbase. Her fanbase is the largest among female idol singers in Korea.