Kuron is the closest and most obedient servant of Kuromaku,the ruler of kurograd,he carries out all his orders without any questions. Kuromaku often drags him to Meetings of rulers,and his obligations include keeping order in other countries and delivering letters from his ruler to other rulers.Kuron has gray hair, a gray cap, a gray uniform, a gray bag with a walkie-talkie, tablet and other inside and a handheld computer that he carries like a backpack. (It's hard enough, but he never complain)