Krypton was about to be destroyed and in an effort to save his infant son, Jor-El decided to send Cal-El to planet earth.  The difference between the atmospheres of Krypton and earth, endowed Cal-El with superhuman powers while living among humans.  Cal-El was raised by the middle-aged couple who found him when his space ship crashed.  Jonathan and Martha Kent realised the potential of the alien boy for the good of mankind.  They instilled in him the importance of using his superpowers to protect the vulnerable and innocent from criminals, and evil villains, and restore our belief in truth, justice and the A