What is the stage name of the singer who is starring in "The Underdog" alongside Park So-dam and Park Chul-min?
D.O. (entertainer) Do Kyung-soo (born (1993--) 12, 1993 ), better known by his stage name D.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 as "Pure Love" (2016) and "My Annoying Brother" (2016).
Thunder (singer) Park Sang-hyun (Korean: 박상현 ; born October 7, 1990) better known by his stage name Thunder (Hangul: 천둥 ; RR: "Cheondung " ), is a South Korean singer, songwriter, actor and model. He is a former member of South Korean boy band MBLAQ. On December 16, 2014, it was announced that he had departed from the group to focus on studying music. He signed with Mystic Entertainment's music label APOP on February 11, 2015 and released his debut extended play on December 7, 2016.