Related Clues:

• 'The Katzenjammer Kids,' e.g.
• Wit
• Clown
• Jokester
• Prankster
• Tongues do it
• Comedian
• Vacillate
• 'Peanuts,' e.g.
• Funny one
• Card
• Humorous fellow
• Whit
• Dilbert, e.g.
• Witty one