1. Heatblast

2. Four Arms

3. XLR8

4. Upgrade

5. Wildvine

6. Stinkfly

7. Grey Matter

8. Waybig

9. Blitzwolfer

10. Diamondhead

11. Cannonbolt

12. Ditto

13. Wildmutt

14. Feedback

15. Terrafin

(If there are any aliens you want to replace or add, let me know in the comments)