Related Clues:

• Cause of an allergic response
• Crookshanks, notably
• Manx or lynx
• Scratchy, in 'The Simpsons'
• Iams eater
• Cougar, e.g
• Subject of many an internet meme
• Manx
• Hieroglyphics animal
• Stealthy animal
• Witch's familiar, maybe
• Birman or Bombay
• 'Loco' sort
• Tonto in 'Harry and Tonto'
• Nyan ___