There are various artists under that name.

-LEE TAEIL (Korean: 이태일, born September 24, 1990). He is the main vocalist of Block B and is part of the T2u sub-unit with U-Kwon. He also has solo releases and has appeared on several television shows such as 'King of Mask Singer'.

- Moon Taeil (Korean: 문태일, born June 14, 1994). Departed from his group on August 28, 2024, following sexual offense allegations.