Related Clues:

• Cop (out)
• Stoat
• Monkey's pursuer
• The old man's old man
• Noted popper
• Otter's kin
• Ferret's kin
• Cunning sort
• Animal in a well-known kids' song
• Mink or ermine
• Animal in a pop song?
• Pop maker in a nursery rhyme
• Dad's dad
• 'Pop Goes the --'
• Ermine, for one