Why did the skeleton refuse to go trick-or-treating?

Because he had no body to go with!

Why did the vampire go to the orthodontist?

He wanted to improve his bite

Why was the mummy always so good at folding laundry?

Because he had a lot of experience with wraps!

Why did the mummy get grounded after trick-or-treating?

He kept unwrapping all the candy before he got home!