Why did Frankenstein's monster get kicked out of the library?

Because he kept reanimating the classics.

What did the trick-or-treater say when the vampire opened the door?

Fangs for the candy!

Why did the trick-or-treater bring a ladder to the party?

He heard the drinks were on the house

Why did the Kraken get kicked out of the board game café?

He just couldn't play Twister without using all his tentacles!