Related Clues:

• Mule's daddy
• Aesopian animal
• Word after dumb or smart
• 1 Down, for one
• Schmoes
• Part of 'T and A'
• Imbeciles
• Pompous fool
• Horses' relatives
• Action, slangily
• Sure-footed critter
• Ancestors of domestic donkeys
• Things that may be laughed off?
• Wild equine
• Shrek's companion is one