Why is Superman called Kal El?

Related questions

1. Is Zod Superman's brother?
2. Is Superman owned by Disney?
3. Does Superman's parents power?
4. Which Earth is Superman from?
5. Why is Superman a symbol of hope?
6. Is Cyborg Superman the real Superman?
7. What does Kryptonite do to humans?
8. Can I use a trademarked logo?
9. How can I use NFL logos legally?
10. Does Superman have an S on his cape?

Tags

1. #originated
2. #planet
3. #family
4. #since
5. #small
6. #biological
7. #krypton
8. #depicted
9. #spaceship
10. #cataclysm
11. #before
12. #earth
13. #given
14. #destroyed
15. #natural
16. #superman
17. #moments
18. #inception
19. #birth