Dong Young-bae( Korean : 동영배; born 18 May 1988), better known by his stage nameTaeyang( Hangul : 태양, Hanja : 太陽, meaningSun) orSol, is a South Korean singer, dancer, recording artist, model and actor. After appearing in Jinusean 's music video "A-yo", Taeyang began training under YG Entertainment at the age of 12 alongside fellow member and leader G-Dragon . After six years of vocal and dance training, he made his debut in 2006 as a member of popular Korean boy band, Big Bang .