Lee Tae-yong, professionally known by the mononym Taeyong, is a South Korean rapper, singer, dancer, and songwriter. He is best known as a member and leader of the boy band NCT. In 2016, he debuted in the group's first sub-unit, NCT U, and later that year went on to become the leader of the second sub-unit, NCT 127. As a songwriter, Taeyong has participated in writing over 30 songs in four different languages, released mostly by NCT's various units. In 2019, he debuted as a member of the South Korean supergroup SuperM, which is produced by SM Entertainment in collaboration with Capitol Records. He also released his first solo single, "Long Flight", in 2019.