Daesung

Kang Dae Sung is a vocalist in Big Bang. During the auditions, Dae Sung was called "Unpretty Boy" and "ugly", but later, the staff team confirmed that Daesung is actually the most popular member in Big Bang. Dae Sung has an obsession with "Doraemon", a Japanese animation. Dae Sung has been also been known as "Gag/Comedy Genius Dae Sung" (Gae Chun Dae Sung in Korean) with his great sense of humor and unique talent in imitating famous people and even animals. He is now also known as D-Lite. Dae Sung released a digital song, titled. "날 봐, 귀순" ("Look At Me, Gwi-soon") on June 16, 2008. The fact that it was a  song did not sit well with some fans.

In the fall of 2008, Dae Sung became the second Big Bang member to star in a musical, playing the role of Tum Tum in the Korean production of Dae Sung has also become a permanent of the reality-variety show Family Outing on, on which he revealed that his IQ was 110 points

Taken from Wikipedia