Known for his comedy performances on the South Korean television program Running Man, he also hosted an early 2000s variety show titled Star Golden Bell.
He began his entertainment career as a vocalist; the early 1990s saw the release of his debut single, "I Know."
He studied business at South Korea's Ajou University.
He grew up in South Korea's Gangwon Province and later married Ryu Su-jung.
He and fellow comedian Yoo Jae-suk were both members of the cast of the Seoul Broadcasting System (SBS) series Running Man.