Related Clues:

• Describing a pre-1905 car (or pre-1919 at a pinch?)
• Rookie's mentor, maybe
• Hound doc
• Army retiree
• Liz of 'Garfield,' e.g
• Subject of "Born in the U.S.A."
• Tabby's tender
• Old soldier — there could be a few neater characters
• One who might care for a sick cat
• Fixer, perhaps
• Critter doc
• Survivor of 60-Down, briefly
• One might make a setter better
• Hamster healer
• Physician for Fluffy