Related Clues:

• Follow closely; animal
• Grown-up puppy
• Warrant "___ Eat ___"
• Led Zep "Black ___"
• "Come Along" Salty ___
• Stooges "I Wanna Be Your ___"
• "You ain't nothin' but a hound ___"
• Creature in Petco's logo
• Shiba Inu, e.g
• Bo or Checkers
• Retriever, for one
• Animal that can follow the second word in each of this puzzle's four theme entries
• One may be fetching
• Marley or Old Yeller
• Terrier or poodle