Isamu Kenmochi

剣持 勇
A Tokyo homicide police inspector who met Kindaichi on his first case and was so impressed that he has lent the youngster his unquestioning support ever since. He is often the investigating officer on Kindaichi039s cases and provides the official stamp of approval Kindaichi often needs to pursue his investigations. He believes fully in Kindaichi039s ability. source: Wiki