Related Clues:

• Unwanted tenants
• Urban vermin
• "Foiled again!"
• "Egad!"
• "Dagnabbit!"
• "Doggone!"
• ''Peanuts'' expletive
• Charlie Brown's expletive
• "Dagnabit!"
• Slum vermin
• ''Oh, phooey!''
• Mrs. Frisby's charges in 'The Secret of NIMH'
• Dwellers in 17-Across
• Pied Piper's prey
• "Oh, fudge!"