Related Clues:

• 'It is to laugh!'
• "Dagnabbit!"
• "Doggone!"
• ''Peanuts'' expletive
• Charlie Brown's expletive
• 'Applesauce!'
• "Dagnabit!"
• Slum vermin
• "Don't give me that!"
• Mrs. Frisby's charges in 'The Secret of NIMH'
• Dwellers in 17-Across
• Pied Piper's prey
• 'Oh, baloney!'
• Two-timing rodents?
• Laboratory maze navigators