Joe Preest.

Joe Preest is a character in "Call of Duty Black Ops II" And "Call of Duty Z"

His Color Indicator is White (Randomized on TranZit 0.2)

He is a British Survivor.

Background
He Came from London as proven in "Plague" as he is Talking to other people in the easter egg.

Before the outbreak he was the Typical Nerd and Rebel.

Events of Call of Duty: Black Ops II
In "Plague" he is heard in a radio message indicating that Maxis is planning to take over and that he is a survivor within the map.

He can be seen in a Radio Tower by Juggernog however it is just a silhouette of himself.

After completing the Easter Egg is teleports to a unknown location seeing as the message cuts out at the end.

He is finally seen in "Moon II" As the Easter Egg step explainer. After the earth is teleported back in time. And is "Saved" But he notices that Earth was sent back too far and is set in 1940 when the zombies were experimented on.

Events of Call of Duty: Z
Again Joe Appears in Call of Duty: Z in both Story Mode and Classic Mode.

He is the announcer for the Survivors in Multiplayer.

MORE TO BE ADDED