Related Clues:

• Mr. Hyde and his ilk
• Fanatics
• Like a tough cookie?
• Like dated food
• Unicorns and griffins
• Infernal types
• Like day-old donuts
• Hard, as bread
• Hard-to-please bosses
• They might be giants
• Like old jokes
• Folklore monsters
• Nonhuman animals
• Nasty types
• 6-Across baddies