Question: What is the stage name of the singer who is starring in "The Underdog" alongside Park So-dam and Park Chul-min?
Context: Cinderella and Four Knights () is a South Korean television series starring Jung Il-woo, Ahn Jae-hyun, Lee Jung-shin, Park So-dam, Choi Min and Son Na-eun.  It aired every Friday and Saturday at 23:00 (KST) from August 12 to October 1, 2016. Peter Dinklage is an American actor and producer.  Dinklage studied acting at the Bennington College where he starred in a number of amateur stage productions.  He made his film debut in the 1995 comedy-drama "Living in Oblivion".  After appearing in a series of supporting parts in much of the 1990s and early 2000s, he made his breakthrough by starring in the Tom McCarthy-directed comedy-drama "The Station Agent" (2003), which had him play a railroad-obsessed introvert who inherits an abandoned train depot.  He was cast in the role by director Tom McCarthy who recalled fondly his appearance in McCarthy's play "The Killing Act" (1995).  For his performance, he received a Screen Actors Guild Award nomination for Best Actor and an Independent Spirit Awards nomination for Best Male Lead.  In the same year, Dinklage played the title role in the play "Richard III" at The Public Theater.  He also played a children's book author in the comedy "Elf".  In 2006, he appeared in the Sidney Lumet-directed crime film "Find Me Guilty".  He followed with roles in the films "Underdog" (2007), the British film "Death at a Funeral" (2007), with its American remake of the same name (2010) and Trumpkin in the high fantasy film "" (2008). Cyrano Agency (; lit.  "Cyrano Dating Agency") is a 2010 South Korean romantic comedy starring Uhm Tae-woong, Park Shin-hye, Choi Daniel, Park Chul-min and Lee Min-jung.  It is a modern take on Edmond Rostand's 1897 play "Cyrano de Bergerac", which focuses on a dating agency that helps its customers win the hearts of the people they desire.  Produced by Myung Films and distributed by Lotte Entertainment, the film was released on September 16, 2010 and ran for 121 minutes.  The film was later remade into the Tamil-language as Idhu Enna Maayam. A Beautiful Mind () is a South Korean television series starring Jang Hyuk, Park So-dam, Yoon Hyun-min and Park Se-Young .  It aired every Mondays and Tuesdays at 22:00 on KBS2 starting June 20, 2016. Kamran Rashid Khan better known by his stage name Lazarus is a Detroit-based American rapper, songwriter and physician of Pakistani descent.  He is known for his singles "Drug of Choice", "Open Heart Surgery", "Fearless" and "Underdog" featuring Nusrat Fateh Ali Khan, Bizarre, Crooked I and Royce da 5'9" respectively. The Emperor: Owner of the Mask () is a South Korean television series starring Yoo Seung-ho, Kim So-hyun, Kim Myung-soo, Yoon So-hee, Heo Joon-ho and Park Chul-min.  It aired on MBC every Wednesday and Thursday at 22:00 (KST) from May 10, 2017 for 40 episodes. 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). Park Hee-von (born Park Jae-young on May 11, 1983) is a South Korean actress.  Park Jae-young made her entertainment debut in 2001 as a member of the South Korean girl group M.I.L.K under S.M. Entertainment.  M.I.L.K (which stood for "Made in Lovely Kin") released one album titled "With Freshness", then disbanded two years later.  When Park shifted careers from singing to acting, she began using the stage name Park Hee-von.  Park became best known for starring in independent films and cable TV series. The Underdog (Hangul: 언더독 ; RR: "eondeodog "; lit.  Underdog ) is an upcoming South Korean theatrical animated film about the story of abandoned dogs.  The film is directed by Lee Chun-baek and Oh Sung-yoon and stars Do Kyung-soo, Park So-dam and Park Chul-min in the lead roles.  It will be released in summer of 2017. Carlos Coy (born October 5, 1970), better known by his stage name South Park Mexican, is an American rapper, founder of Dope House Records, and convicted sex offender.  His stage name is derived from the South Park neighborhood in Houston, Texas where he was raised.
Answer: D.O.