Yoon Shi Yoon is a South Korean actor and television personality managed by MOA Entertainment. He was born in Suncheon, South Korea. He debuted in the daily sitcom "High Kick Through the Roof". He appeared in a commercial for the cellphone Bubi Bubi with the famous girl group T-ara. He also sang 4 singles for the soundtrack of the commercial. On April 28, 2014, Yoon secretly enlisted in the Republic of Korea Marine Corps and was discharged on January 27, 2016. In May 2016, he became a regular...