Gwak Jaeu
General Gwak Jae-u (1552–1617) was a Korean patriot from Uiryeong. In 1592, nine days into the Japanese invasion of Korea, he formed a militia to fight against the Japanese army. He was originally a commoner, but King Seonjo of Joseon granted him a government position.
Read more about Gwak Jaeu: Raising An Army, Trivia