origin : https://en.wikipedia.org/wiki/Han_Myeonghoe
Han Myeonhoe (Korean: 한명회, Hanja: 韓明澮, 26 November 1415 – 28 November 1487) was a Korean politician and soldier during the Joseon Dynasty. He was Prime Minister or Chief State Councillor from October 1466 to April 1467 and again from January 1469 to August 1469, during the reigns of King Sejo of Joseon and King Yejong of Joseon. His nicknames were "Apgujeong" (압구정, 狎鷗亭), "Apgu" (압구, 狎鷗), and "Saudang" (사우당, 四友堂). He was a tactician and trusted adviser of King Sejo of Joseon and he advised the latter to produce a coup d'état.