Btw, Clark automatically gets the 0th spot.

Think of it like 5 x 5 grid of characters with Superman at dead-center. 25 characters in all.

How to divide the remaining 24 spots?

Up to you, tho I'd suggest either

A) 12 mostly-positive characters with 12 mostly-negative characters

B) 8 good, 8 neutral, 8 evil.

These are the 24 Superverse supporting characters of any moral alignment, and they can be obscure or obvious. They do have to have some interaction with Clark in one of his guises.

My first try:

1. Lois Lane
2. Lex Luthor
3. Krypto
4. Brainiac
5. Martha Kent
6. Faora/Ursa (whichever is the sociopathic loner)
7. Perry White
8. Mongul
9. Jonathan Kent (Senior/Pa)
10. Karen Starr (1 merged Kara)
11. Lady Blaze
12. Doomsday
13. John Henry Irons
14. Bizarro
15. Cat Grant
16. Mxyzptlk
17. Lar Gand (drastic revamp)
18. Nuclear Man (drastic revamp)
19. Lana Lang
20. Parasite
21. Morgan Edge
22. Maxima
23. Metallo
24. Lucy Lane

What would your list look like?