|Nickname(s)||Guns, Master, Greggy Boy|
|Appears in||Call of Duty: Modern Warfare 4|
|Rank||Gunnery Sergeant, later Master Sergeant|
|Affiliations||USMC, 2nd Force Recon|
|Status||Alive but injured|
|Birth||April, 10th, 1989, Encino, California|
|Weapon||STG 44 and M16A3|
Born in Encino, California and raised by a former marine. He was formerly a fighter in Afghanistan. He is the squad leader of Romeo Squadron. He is a good friend of Kane and Jason. His first name is only revealled by Jason in Aftermath. He, Zach and Jason were injured in a explosion.