Possible Clues:

• Toon who loves Lard Lad Donuts
• Bart and Lisa's dad
• Animated TV character who cries 'D'oh!'
• Mr. Burns' employee
• Toon dad
• TV character who says 'It's 1 a.m. Better go home and spend some quality time with the kids'
• Speaker of quote
• Speaker of the quip starting at 27-Across
• Moe's Tavern frequenter
• Nuclear plant employee of note