Samaritan

Samaritan is a fictional character in the comic book series Astro City. Created by writer Kurt Busiek and artists Brent Anderson and Alex Ross, Samaritan is the premier superhero of the world, much in the vein of Superman and Captain Marvel. Despite his powers, however, the mind of the man called Samaritan is that of a weary and worn time-traveler with little time to himself and no future to return to. In the dystopia future of the 35th century, a man was selected to go back in time to prevent a catastrophic event whose consequences ultimately ruined the future world. Launched into the timestream, he was caught up in empyrean fire, the strands of energy that make up time itself. Crash-landing near Astro City in late 1985, he spent the remainder of the year learning to master the empyrean forces that had suffused his body, and to alter it to change back to a more normal appearance (the empyrean forces had changed his hair to a bright shade of blue). Desperately working to control his... full article at wikipedia