Kim Jong Kook (김종국) (born on April 25, 1976) is a South Korean singer. He first entered the Korean music industry in 1995 as a member of the group Turbo, which became fairly popular for their catchy music. After the group dissolved a few years later, he became a solo singer in 2001, mostly concentrating on ballads. Although his unusually high tone of his voice is often criticized and joked about (with many stars jokingly calling it a "mosquito voice"), he has had many hit singles and has also been a frequent guest on many variety shows, most notably X-Man.

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