Related Clues:

• 'The Katzenjammer Kids,' e.g.
• Wit
• Clown
• Jokester
• Wise guy
• Intelligence
• Prankster
• Dorothy Parker quality
• Tongues do it
• Buffoon
• Comedian
• Common sense
• Vacillate
• 'Peanuts,' e.g.
• Funny one