Not everyone wants to put a ton of effort into their Halloween costume, but that doesn't mean we can't all take part in the holiday's fun.

If you don't want to spend time buying, constructing or even thinking of a costume, this list is for you.

Youtube provides us with tons of costume ideas that require nothing but contents you probably already have in your makeup bag.

Here are nine of the absolute easiest makeup tutorials on the web that will still leave you looking ready for the big, spooky night.

1. Deer

2. Comic book / Pop art

3. Creepy doll

4. Harley Quinn

Hair extensions are extra credit.

5. Zombie

6. Creepy skull

7. Mermaid

8. Scarecrow

9. Vampire

BONUS: Harry Potter but with hamsters.