Northeast Anti-Japanese United Army
Kim Il-sung, later to become leader of North Korea, was a high-rank officer in this army, and attained a distinction that he invaded China-Korea border and attacked Japanese police station in Bochonbo 1939. It was widely reported by Korean presses such as Donga Ilbo and he became famous in Korea as the most prominent leader of the anti-Japanese movement. After the war, some of the Korean nationals in this army became the first generation of the leaders of North Korea. Besides Kim Il-sung, An Gil, Kim Chaek, Choe Yong-gon and Kang Kon were also Korean high-rank officers of NAJUA, later assumed high positions in North Korea.
Ho Ka-i
Alexei Ivanovich Hegai (, ; 18 March 1908 – 2 July 1953), also known as Ho Ka-i, was a Soviet political operative in North Korea (DPRK) and leader of the Soviet Korean faction within the early political structure of North Korea. He was second vice-chairman of the DPRK Politburo from 1949 until he was purged. He allegedly committed suicide in Pyongyang and was replaced as leader by Pak Chang-ok.