The crossword solution for the term 'Fairy Tale Foe' is OGRE, which is a four-letter word. An OGRE is a large, monstrous, and cruel humanoid creature from European folklore. Ogres are typically depicted as inhumanly large and tall, with a disproportionately large head, and having a strong appetite for human flesh. They are often portrayed as being dim-witted, yet cunning and malicious. In fairy tales, ogres are usually the antagonists, and they are often defeated by the hero or heroine of the story.