Related Clues:
- Marley or Old Yeller
- Terrier or poodle
- Shelter rescue, perhaps
- Relentlessly follow
- Typical mascot of some commando group
- Canine, slangily
- Travel down at first, then up, to keep following
- Bowser or Rex
- Bomb-sniffing TSA aide
- Word that can follow the first parts of 19-, 32-, 40- and 48-Across
- Family pet
- Poodle or Collie
- Certain household pet
- Pet for some families
- Snoopy or Odie