You could be a blockhead.
or a snake.
That'd take halloween to a whole new level.
You: GIMME STUFF
Old Lady: ARGH!!! SQUARE HEADED DEMON FROM HELL! KEEEL IT!
You: Erm...ok, i'll just...leave.
Old Lady: It speaks! KEEEL IT!
My grandparents are a bit like this if I trick or treat em...Never again.