Why did the Minotaur start a lawn care business?

Because he was great at navigating tight corners and had a beast of a mower.

Why did the werewolf always have trouble eating spaghetti?

He kept getting hair in his marinara sauce!

Why did the skeleton go to the party alone?

He had no body to go with.

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

Because it was a gourd time!