Related Clues:

• Difficult task
• Overeater
• Snowball in ''Animal Farm''
• Sloppy one
• Babe on the screen
• See 61-Across
• Greedy one
• One in a pen
• Nonsharer
• Pen pal?
• Corkscrew-tailed animal
• Snowball, famously
• Like Oscar Madison
• Pot-bellied critter
• Porker