Related Clues:

• Mob informers
• Expression of annoyance at which doctor starts
• Sewer scurriers
• "Shucks!" relative
• Sings lead after comeback
• Maze creatures
• "Oh, crud!"
• 'Foiled again!'
• The Boomtown ___
• Some quadruped vermin
• Vermin on the edges of rain forest
• Double-crossers
• "Phooey!" alternative
• Vermin running around two state capitals
• Charlie Brown's "Blast it!"