Crosby (Black Ops)

"Good luck with that shit."

- Crosby to Mason after giving him the radio.

Sergeant Crosby was a character from Call of Duty: Black Ops, who appeared in the mission "The Defector".

Biography
During the mission, he gave the player, Mason, a radio to call in helicopter reinforcements. He then asked if Mason is from the Studies and Observations Group, and Mason confirms he is. After calling in the helicopter, he jumped down and rushed to a doorway, where he died shortly after.