Related Clues:

• Hamster or porcupine, e.g.
• Capybara or vole
• Maze participant
• Gnawing mammal
• Rat or beaver, e.g.
• Squirrel or porcupine, e.g.
• Marmot or mouse
• 30 Across or squirrel
• Gnawing critter
• Mighty Mouse, e.g.
• Gerbil, for one
• Chinchilla, e.g.
• Hamster or porcupine
• Mouse or muskrat
• Gopher or gerbil