User blog comment:Underscorre/Jeff the Killer Rewrite Contest!/@comment-5614678-20151011065344/@comment-5643552-20151011065921

It would depend on the context of the story, really. It wouldn't violate the No-Spinoff Rule per se, but mentioning creepypastas in creepypastas is generally frowned upon as it is usually a tell-tale sign of a bad pasta. That said, if you think it can pull it off, go ahead.