1. Taeil (태일) is a South Korean singer under SM Entertainment. He is a former member of the Korean pop boy group NCT and its sub-units NCT U and NCT 127. He left NCT on August 28, 2024 following sexual offense allegations. He was a member of the pre-debut team SM Rookies. 2. Taeil (태일) is a South Korean singer. He is a member of the boy group Block B. He debuted as a soloist on March 27, 2015 with his single 흔들린다. Read more on Last.fm