Return of Zombie Ops is a zombie modification for Call of Duty 4, it features content from Black Ops Zombie mode aswell as from Modern Warfare 3 Survival mode and Ghosts Extinction mode. It's set slightly in the future with some weapons from Ghosts, Black Ops series and Modern Warfare series.
Finally, you found the model 3aGl3!
BTW, where did you found it? I thought he was cut from the game?
-TehBigBoom
Such a secret :D
He's the PMC MP sniper.