In addition to the multiplayer skins that you start with, there are more that you can eventually use. These skins that can be purchased in the multiplayer store after reaching certain levels.

Skin	How to unlock
Blain	Reach Level 80; Cost: Free.
Cameraman Jeff	Reach Level 30; Costs $100,000.
Doughnut Drake	Reach Level 60; Costs $2,000,000.
Dutch	Reach Level 70; Cost: Free.
Genghis Khan Villain Skin	Beat Crushing Difficulty. Cost: 1,500,000.
Harry Flynn	Reach Level 20; Costs $50,000.
Heist Drake	Reach Level 10; Costs $20,000.
Heist Flynn	Reach Level 20; Costs $50,000.
Karl Schafer	Reach Level 50; Costs $1,000,000.
Lieutenant Draza	Reach Level 50; Costs $1,000,000.
Marco Polo Hero Skin	Get the Platinum trophy. Cost: Free.
Skelzor	Reach Level 60; Costs $2,000,000.
Winter Chloe	Reach Level 20; Costs $50,000.
Winter Drake	Reach Level 40; Costs $250,000.
Winter Elena	Reach Level 30; Costs $100,000.
Winter Flynn	Reach Level 30; Costs $100,000.
Zoran Lazarevic	Reach Level 40; Costs $250,000.
Zorskel	Reach Level 10; Costs $20,000.