Why did the Cyclops go to the optometrist?

Because it had a vision problem

Why did the goblin go to the career counselor?

Because it wanted to find a job that was a good fit for its skill set and didn't involve hiding under bridges all day.

Why did the mummy go to the party?

Because he was feeling wrapped up in the occasion

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

He kept unwrapping all the candy before he got home!