Why did Medusa get fired from the hair salon?

Because she kept turning her clients into stone and they never came back for a trim!

Why did the zombie go to the art museum?

Because he heard it was to die for.

Why did the jack-o'-lantern go to the party?

Because it was a gourd time!

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

Because he kept reanimating the classics.