Related Clues:

• Rizzo the Muppet, notably
• Tell all, slangily
• Do lullabies, e.g.
• Be a squealer
• Oft-smelled rodent?
• Ben in "Ben"
• __ race
• "The Wind in the Willows" critter
• One down in the dumps?
• Certain stowaway
• Turn state's evidence, maybe
• Betray by blabbing
• One who squeals
• "Was it a ___?" "Yeah, a great big one" (line from "L.A. Confidential")
• Slum scurrier