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

Because he was great at reanimating the network.

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

Because he kept reanimating the classics and they didn't want any more shelf-life issues.

Why did the vampire go to the orthodontist?

He wanted to improve his bite

Why did the witch's cat join a band on Halloween night?

Because it wanted to be the purr-cussionist!