Related Clues:

• Disreputable person
• Eye opener gives despicable person antidote
• Unfriendly dog
• Despicable character
• Dangerous dog
• Certainly not a purebred pooch
• Nasty mutt
• Snarler, of a sort
• "Dirty dog"
• Biter, maybe
• Useless dog
• Recall name of police dog
• Dog's short docked tail
• Old police force rejected disreputable type
• Aggressive dog needing a lot of restraint