Gaeko

Kim Yoon-sung (born January 14, 1981), known professionally as Gaeko (Hangul: 개코, literally dog's snout) is a South Korean singer and rapper.

He and Choiza comprise the hip hop duo Dynamic Duo, which rose to fame upon the release of their debut album Taxi Driver in 2004. In 2015, he released his first solo album, Redingray. On May 14, 2011 in the middle of his military service, he married Kim Soo-mi before going back to serve the rest of his term. They had a son, Kim Rhythm, together 5 months later and a daughter in 2015.