1. Juno, obviously.
2. Krang from TMNT.
3. A Pokéball.
4. A baby that is so desperate to escape the womb so that they can trick or treat.
5. Or a more gory version of that.
6. You could pretend you’re pregnant with a baby shark.
7. Or you could be a basketball.
8. Winnie the Pooh.
9. Or perhaps you could dress up as an avocado.
10. Or a pumpkin.
11. A kangaroo.
12. Or maybe two skeletons.
13. The entire solar system.