About Yi Sung-sun
Lived 1916 – 1983 (aged 66). Yi Sung-sun was a South Korean military personnel.
Yi Sung Sun (, February 29, 1916 – January 25, 1983), nicknamed Sirasoni (시라소니), was a South Korean street knight. He was born in 1916, in the North Korean city of Sinuiju.
After the independence of Korea, Yi ran away to South Korea to join with his gangster friend Yi Hwa-ryong's gangs of Myeongdong. After the Korean War broke out, Yi worked in the Headquarters of the Intelligence Detachment. In 1953, the political hoodlum Yi Jung-jae lured Yi out and lynched him, making him Yi disabled. Yi left the gangs, and escorted Chang Myon and Shin Ik-Hee from political hoodlums.
Popular culture Portrayed by Jo Sang-goo in the 2002-2003 SBS TV series Rustic Period.
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Important facts
People in Yi Sung-sun's life
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Contemporaries
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Frequently asked questions
Who was Yi Sung-sun?
South Korean street fighter
When was Yi Sung-sun born?
Yi Sung-sun was born on 29 February 1916 in Korea under Japanese rule.
When did Yi Sung-sun die?
Yi Sung-sun died on 25 January 1983.
What was Yi Sung-sun's occupation?
Yi Sung-sun was a military personnel.
What nationality was Yi Sung-sun?
Yi Sung-sun was South Korean.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Yi Sung-sun. https://biography.guide/yi-sung-sun/
MLA: "Yi Sung-sun." Biography.guide, https://biography.guide/yi-sung-sun/.
Chicago: "Yi Sung-sun." Biography.guide. https://biography.guide/yi-sung-sun/.
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