Just to stir up some discussion, let's talk Bedtime Stories. That one was rumored for a while last year as Tooth Fairy but got cut last minute. What could they do with that premise?
To me, all of the traditional bedtime stories fall into the camp of Scary Tales, but, despite the name, the Tooth Fairy doesn't really mesh perfectly with the theme of traditional Fairy Tales perfectly. Even the later expansions of the concept including Oz and Itsy Bitsy Spider still feel more cohesive than a Tooth Fairy room. However if I try to think of similar childhood cryptids a la Tooth Fairy, most are Holidayz in Hell material like Easter Bunny or Santa, or stuff like Bloody Mary (Candyman anyone?
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