 Beonjoseon and Majoseon were ruled by two Vice-Danguns.The Five Ministries, or "Ohga", included "Dotga" (pig), "Gaeda" (dog), "Soga" (cow), "Malga" (horse) and "Shinga" according to their areas of east, west, south, north and center.This ministry system using the name of animals was also used by Buyeo, a successor state of Gojoseon.