Related Clues:

• "Fee, fi, fo, fum" speakers
• Princess Fiona's triplets, e.g
• Fictional monsters
• Ugly beasts
• Fairy-tale fiends
• Storybook monsters
• Fiona and Shrek, for two
• Storied monsters
• Real meanies
• Shrek, et al
• Cruel dudes
• People eaters, maybe
• Brutish bosses
• Grimm bugaboos
• Some progress for cannibals