Dr. Manhattan is a fictional character from the graphic novel Watchmen, created by Alan Moore and Dave Gibbons. He is a superhuman with god-like powers, including the ability to manipulate matter, see the past and future, and teleport. His real name is Jon Osterman, and he gained his abilities after a nuclear accident. As a member of the Minutemen and later the Watchmen, Dr. Manhattan plays a crucial role in the story's exploration of morality, power, and the consequences of human actions. His detachment from humanity raises questions about free will and the nature of existence.