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  • Born

    21 February 1984 (age 34)

  • Born In

    Bupyeong District, Incheon, Korea, Republic of

Kim Sung-won (Hangul: 김성원; Korean: 슬리피; born February 21, 1984), better known by the stage name Sleepy, is a South Korean rapper and leader of the hip-hop duo Untouchable, that officially debuted on October 10, 2008 under TS Entertainment. He became a household name after joining reality TV shows like Real Men, I Live Alone, Law of the Jungle, and We Got Married with Lee Guk-joo as his pretend wife. His popularity further rose after his TV guestings on several variety shows because of his noticeable comedic acts.

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