When exposed to Earth's lower gravity and the rays of its much younger, brighter yellow Sun, Clark learns that the surplus of energy gives him incredible powers, which increase as he grows up.Deciding to use his power for good, Clark puts on some spandex (or indestructible Kryptonian uber-cloth, Depending on the Writer) and fights crime as Superman!It was in the latter adaptation that Superman received his most iconic superpower, that of flight.
However, Clark turns out to be different from humans after all.
Along with Batman and Wonder Woman, he's one of the Big Three of The DCU.
He has also been a member of the Justice League of America on and off (mostly on) since its founding.
In other takes, Superman has been a bachelor or dated/married different characters (in the New 52, he was dating Wonder Woman).
Originally created by Jerry Siegel (writer) and Joe Shuster (artist), two sons of Jewish immigrants who, after several tries, finally got him published in This wasn't their first attempt at the character they had in mind.