Why did the skeleton refuse to go to the party?

Because he had no body to go with.

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 Frankenstein's monster get a job at the IT department?

Because he was great at reanimating the network.

Why did the werewolf have trouble paying his rent on time?

Because he was always having a hairy month!