This is hard, because for several of these I use my own customs as the definitive versions. But if we're talking non-customized figures, this is what I would choose:

1. Duke: Version 1 (though I use my custom)

2. Roadblock: SpyTroops

3. Beachhead: JvC v1

4. Scarlett: Second Comic Pack (issue 9?)

5. Snake eyes: VvV Swamp Rat version

6. Stalker: Comic Pack 5 (or is it 6?)

7. Hawk: Comic pack 75 or whatever issue it was

8. Cobra Commander: Version 1 (though I use my custom)

9. Destro: Version 3 (Battle Corps, I think) (though I use my custom)

10. Storm Shadow: Comic Pack for Cobra, Ninja Force for Joe

11. Major Bludd: DTC

12. Baroness: Version 1 (though I use my custom)

13. Zartan: Comic Pack

14. Zarana: SpyTroops

15. Flint: Comic Pack

16. Gung Ho: VvV

17. Lady Jaye: Comic Pack (though I use my custom)

18. Dr Mindbender: JvC v1

19. Xamot and Tomax: Version 1 and Version 1

20. Clutch: Version 2 (tan repaint of v1)

For the most part, it's whatever version makes the character look most like their cartoon appearance, because as I've said before, though I prefer the comic book's storyline, the cartoon's character designs are where it's at for me.

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is on indefinite hiatus...