Across
4. Casper
6. Spooky
10. Cat
11. Krueger
12. Frankenstein
15. Skeleton
17. Alien
18. Jackolantern
19. Dracula
20. Shining
21. Jaws
Down
1. Rocky Horror Picture Show
2. Bats
3. Halloween
5. Costume
7. Gallagher
8. Shriek
9. Zombies
13. Kodos
14. Shyamalan
16. Ghoul