Yoo Jae-suk (Hangul: 유재석; RR: Yu Jae-seok; born on August 14, 1972), is a South Korean actor, comedian and television comedy show host. Nicknamed the "MC of the nation" (국민 MC), a vote by South Korean netizens proclaimed him the most popular Korean comedian for five consecutive years beginning (2004-2008). He has hosted several variety television shows in South Korea, including the popular programs Infinite Challenge and Running Man. Nicknamed "The Grasshopper", due to early appearances dressed as a grasshopper, he is now known for his quick wit and appeal across a wide range of demographics. He has established himself as one of Korea's top comedians and TV personalities.