But, "he had a square set jaw, not unlike that of a bull dog" and "his face indicated firmness and a lack of physical fear." "His words were few and parted with reluctantly," and when duty called, Brown's demeanor changed immediately. He was easily angered: his temper flared instantly and his outwardly meek manner transformed into one of deadly grave purpose. One contemporary commented that "he was a two-gun man. He could take a six-shooter in each hand and make one think a battle was on."