Possible Clues:

• Creature turned layer
• Aesop character, usually
• One of many seen in the board games Ark Nova and New York Zoo
• Mania uncontrolled, learner becomes savage
• Layer the creature up
• Plate up lamb, perhaps
• Brute's returning all glam in acrylic trousers
• Some human I maligned as non-human? Not necessarily
• Kangaroo or koala
• Plate served up for the beast