Related Clues:

• Mongrel canine
• Heel
• Jeff's partner
• No purebred
• Ne'er-do-well
• Jeff's cartoon comrade
• Jeff's cohort
• Not Jeff, but his friend
• A low-down dirty dog
• Surly sort
• Leader of the mongrel horde?
• Jeff's comic partner
• Blackguard
• Despicable one
• Knave