superman was born on a planet called krypton. his name was kal-el. when his father, jor-el, found out that their planet was going to explode, jor-el sent his baby son to earth in a spacecraft to save him. kal-el was found and adopted by jonathan and martha kent. they named him clark kent. the kents raised him as their own son in a town called smallville, kansas in the united states. (there is a television series called "smallville" about his time growing up there)