Possible Clues:

• Arthur in sitcoms
• 'Don't ___ fool!'
• ''C'mon, --- pal!''
• 'Well, I'll -- monkey's uncle!'
• 'Mame' actress Arthur
• Arthur who was Maude
• Heidi Blickenstaff's role in Broadway's 'Something Rotten!'
• Benaderet of 'The Beverly Hillbillies'
• Maude portrayer Arthur
• Name that sounds like an insect