Possible Clues:

• TV's 'Uncle Miltie'
• 'Mr. Television'
• 'Uncle Miltie'
• Uncle Miltie
• "Texaco Star Theater" host
• "Uncle Miltie"
• TV's "Uncle Miltie"
• Golden Age TV star
• The Thief of Bad Gags
• TV's Uncle Miltie