Possible Clues:

• Slob's opposite
• Compulsive cleaner
• Pickup artist?
• One who cleans up after the maid?
• Felix Unger, for one
• Constant cleaner
• One prone to ordering things compulsively?
• Slob's counterpart
• “Cool monster!” said the yuppie
• One obsessed with order (... 2 to 5)