Related Clues:

• Really tidy type
• One who picks up a lot
• “Cool monster!” said the yuppie
• Obsessive cleaner, say
• One obsessed with order (... 2 to 5)
• Felix of 'The Odd Couple,' for one
• One whose priorities are in order?
• Super-orderly person
• One always ordered fare taken out to lunch
• One prone to ordering things compulsively?