Lee Su Geun is a South Korean comedian who has worked on a number of comedy shows on South Korean television. He began his comedian career on KBS Gag Concert and appeared in Finding Laughter. He currently lives in Mapo-gu, a district in Seoul.

Before entering the entertainment industry, Lee Su Geun had entered a singing contest on MBC River Music Festival. He was also an aerobics's instructor. In October 2006, he began his own online Internet shopping mall selling clothes. In May 2008, he became an ambassador for the Pork Management Committee.

Lee has appeared on many reality-variety shows. His career made a breakthrough after appearing on KBS Happy Sunday: 1 Night 2 Days. He was seen as the most hardworking member of the cast and is in charge of driving on the show. After appearing on the show, he has earned more recognition and received roles from other shows as MC — such as Sang Sang Plus Season 2, his first role as a MC. His marriage was broadcasted on national television on 1 Night 2 Days.

Up till 2012 he was signed under Castle J Entertainment, and on 19 September, it was announced that he has signed exclusive contracts with SM C&C, a subsidiary of SM Entertainment, along with Kim Byung-man.

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