First Name: Hyung Don
Family Name: Jung
Native name: 정형돈
Also Known as: Jeong Hyeong Don;
Nationality: South Korean
Gender: Male
Born: February 7, 1978
He made his television debut on KBS Gag Concert in 2002 with a segment called "Doremi Trio" (도레미 트리오). In this segment, he sang excerpts of K-pop songs with comedic punches at the end. He then joined various segments of MBC's Sunday Sunday Night and Exclamation! and KBS2's Imagination Plus and a host and performer. In 2005, he became a regular host on MBC's Infinite Challenge.
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