Related Clues:

• Talk incessantly
• Unwelcome rooter
• Security concern
• Suburban pest
• Undercover operator
• Subterranean pest
• Certain pacesetter
• Short-tailed rodent
• Spymaster's worry
• Blemish
• You could see it on Marilyn's face
• Security problem
• Magician's prop
• Fictional Roger or Peter
• ''The Wind in the Willows'' character