
1. An avocado.

Materials needed: A piece of cardboard, paint, and your own belly!
2. A jellyfish.

Materials needed: An umbrella and a bunch of yarn.
3. No-Face from Spirited Away.

Materials needed: A black hoodie (preferably long) and a DIY paper mask that you can draw on using Sharpies/markers.
4. The Olympic rings.

Materials needed: PVC tape and a rubber hoop cover (or wire). See how here.
5. An adult baby.

Materials needed: A onesie and a sippy cup. This costume wins because 1) Halloween is freezing and 2) you're in a onesie.
6. A chocolate chip cookie.

Materials needed: A dog bed and brown paint for the spots.
7. An evidence bag.

Materials needed: Clear tarp and red tape. See how here.
8. The Snapchat ghost.

Materials needed: A bed sheet and a Sharpie.
9. Matt Murdock from the Netflix TV series Daredevil.

Materials needed: Some kind of black clothing to cover your eyes (scarf, shirt, bandana, etc.).
10. "I'm innocent but I've been framed!"

Materials needed: A frame.
11. White trash.

Materials needed: A trash bag and a Sharpie.
12. Magritte's "The Son of Man."
Materials needed: A suit, a hat, and a green apple.
13. Your Tinder profile IRL.

Materials needed: Green and red construction paper and a pair of scissors.
14. Alice in Chains.

Materials needed: A name tag with "Alice" and a chain.
15. A Dell, which makes for a clever "Adele."

Materials needed: A Dell sign and a cute smile when people scoff at you for trying to pull off "Adele."
16. A nudist on strike.
Materials needed: Clothes and a DIY sign.
17. Teenage Thor.

Materials needed: A hammer and a Sharpie.
18. PB&J, the brands.

Materials needed: Printed Jif and Smucker's labels (or whatever labels you think make the best flavor combos).
19. One of the badass wives from Mad Max.

Materials needed: Bed sheets or white T-shirts or something white.
20. MC Hammer.

Materials needed: A hammer and some construction paper.
21. A dungeon ghost.

Materials needed: A welded chain. See how here.
22. A Sim.
Materials needed: Green paper and the will to make an origami triangle. See how to do this here.
23. A soot sprite.

Materials needed: Cotton balls and craft eyes.
24. A crazy straw.

Materials needed: Vinyl tubing. See how here.
25. A ~Smartie~ pants.
Materials needed: Smarties.
26. A ghost that's too spooky to have eyes.

Materials needed: A bedsheet.
27. A Chipotle burrito.
Materials needed: Tin foil and tissue paper.
28. A Facebook profile page.
Materials needed: A giant printout of your profile page, a friend's, or a completely made-up one.
29. An Abercrombie model.
Materials needed: An Abercrombie bag.