User blog:MorganMatthews/Ben 10: Ultimate Alien Rankings

1. Diamondhead

2. Wildvine

3. Upgrade

4. Swampfire

5. Brainstorm

6. Frankenstrike

7. XLR8

8. Benmummy

9. Ghostfreak

10. Eye Guy

11. Buzzshock

12. Upchuck

13. Big Chill

14. Chromastone

15. Cannonbolt

16. Blitzwolfer

17. Wildmutt

18. Terraspin

19.  NRG

20.  AmpFibian

21. Echo Echo

22. Stinkfly

23. Rath

24. Ripjaws

25. Ultimate Swampfire

26. Ultimate Humungousaur

27. Ultimate Big Chill

28. Goop

29. Four Arms

30. Grey Matter

31. Spidermonkey

32. Water Hazard

33. Heatblast

34. Jetray

35. Ultimate Cannonbolt

36. Articguana

37. Armodrillo

38. Lodestar

39. Ultimate Echo Echo

40. Humungousaur

41. Ditto

42. Way Big

43. Ultimate Spidermonkey

44. Nanomech

45. Spitter

46 Alien X