Why did the Minotaur start a career as a baker?

Because he was great at navigating the labyrinthine recipes and kneading dough with his hooves.

Why did the mummy go to the party?

Because he was feeling wrapped up in the occasion

Why did the skeleton refuse to go to the haunted house?

Because he had a bone to pick with the admission price.

Why did the Creature from the Black Lagoon go to the post office?

Because it wanted to send a scaled-up package