Related Clues:

• One with a habit
• Internet accessor
• Exploiter
• Seuss's hat-wearer
• Siamese ___
• Friendly opening
• End --- (ultimate customer)
• Product buyer
• Exploitative type
• Felix or Sylvester
• Self-serving opportunist, perhaps
• Exploitative sort
• ...
• Stealthy sort
• 38-Across catcher