Possible Clues:

• Any 40-Across character
• Bugs Bunny or Tweety Bird
• Bugs, Daffy, or Elmer
• This puzzle's honoree, for one
• Kiddie idol, often
• Saturday morning TV offering
• The Road Runner, for one
• Bugs or Scooby
• Bugs Bunny, for one
• Porky or Daffy