Snarky jokes at the playerbase's expense

It came from the artworks they did for the Worgens before Cataclysm. Some of them had tails and the worgen community asked that since then. Unfortunatly, none of the two complete remake of the model had it and it’s still is a debate that come in and out in the community each time a new race comes in with a tail (Pandas, Vulperas and now scallies).