Zombies are always win! I have also written a recap of a panel I held about this type of makeup.
An effectful makeup I found on pinterest and recreated with a tutorial here.
Cool makeup with "normal" makeup (no extra latex or glue)
The mutant foes from Bioshock, either deformed or only bloody are a ggod choice.
Either as a purse or a prop ;)
These were the first horns I made.
And here's another method to make horns.
Not really scary, but who doesn't love a good skull prop. And It is easy to get hold of those plastic skulls this time of year.
Photo: Artano Photography