At first, Griffin merely wants to be left alone. In the midst of ignorant, prying people, he is a figure of some sympathy and mystery.however, he feels no compunction about stealing from others, viewing his crimes as a necessary way of continuing his research for a way of reversing his invisibility.
Growing more and more irritable because of the curious who try to discover the purpose of this strange man swathed in bandages, Griffin arrogantly throws people out of his room, and finally he is forced to leave his room, setting off on a cross-country rampage that leads to injury or death for those who get in his way.