More rough drawings.

14. "Spine", a spider-like creature with a cute child-like face.
15. "Horn", a stag-beetle based monster.
16. "Harpy", a six-legged flying beast.
17. "Chimera", a hybrid of spider, crab and octopus.
18. "Atomic", a living laser-cannon.
19. "Joker", a humanold mutant who shoots lasers from his eyes and flys on a giant card.
20. "Piranha" a piranha/great diving beetle monster who attacks from underwater.

©me