Do Kyung-soo(born(1993-01-12)January 12, 1993), better known by his stage nameD.O., is a South Korean singer and actor. He is best known as a member and one of the main vocalists of the South Korean-Chinese boy group EXO . Apart from his group's activities, D.O. has also starred in various television dramas and movies such asPure Love(2016) andMy Annoying Brother(2016).