Related Clues:

• Marty in 'Madagascar' is one
• Follower of the bottom line?
• Striped equine
• River fish
• Musical astronaut Lance
• Low notes
• Paul McCartney played it for the Beatles
• Polecat
• Horse behind bars?
• Black-and-white stinker
• 'Horse in striped pajamas'
• Grouper, e.g.
• Voice below baritone
• Bigmouth, for one
• Clef below middle C