Possible Clues:

• Russian tycoon Deripaska
• Designer to Jackie
• Skater Protopopov
• Russian clown Popov
• He dressed Grace and Marilyn
• Two-time figure-skating Olympic gold medalist Protopopov
• Former heavyweight champ Maskaev
• One who had designs on Jackie?
• Fashionable name
• Rival of Coco and Christian