Thought I'd share my props from my Halloween costume: a Nibbler hand puppet and a Slurm drink cozy.
You can manipulate his eye-stalk with your middle finger. Here's a better view of his whole body, with some bonus festive gourds:
Since I was going to a party as Fry, I thought it'd be fun to make it look like whatever I was drinking was a can or bottle of delicious Slurm:
It's highly addictive! (And also craft foam over a cheap $1 beer cozy.)
Hope you enjoy!