This is a Korean name; the family name is Lee.
Lee Jun Ki (Hangul: 이준기, Hanja: 李準基, born April 17, 1982, in Busan, South Korea) is a South Korean actor, singer and model. He rose to fame as Gong-gil in The King and the Clown. He has a mother, father, and one younger sister. He graduated from the Seoul Arts College with a major in Acting, and is a 1st degree in both Hapkido and Taekyon, and 3rd degree in Taekwondo. Besides Korean, Lee also speaks some Japanese and English.
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