Possible Clues:

• Greedy cartoon bird (2 words)
• Looney Tunes fowl
• Lisping toon
• Toon with the catchphrase "You're despicable!"
• Goofy toon?
• Cartoon character voiced by Mel Blanc
• Web-footed toon
• "Looney Tunes" fowl
• Looney Tunes lisper
• Mel Blanc spoke for him