유재석
X-Man () was a popular South Korean game show which ran from November 8, 2003 to April 8, 2007 on SBS. Its popularity peaked from 2004 to 2006. It was hosted by Yoo Jae-suk, Kang Ho-dong, Kim Je-dong, with Kim being successively replaced by Gong Hyung-jin, Park Kyung-lim, and ; only the first two were on the program since its inception.