Zach

There are multiple articles titled "Zach" or "Zack" in the Call of Duty Series:
*Zach Parker - A Marine and playable character in the United States Marine Corps who appeared in Call of Duty 4: Modern Warfare (Nintendo DS) and Call of Duty: Modern Warfare: Mobilized.
*Zach (Modern Warfare 2) - A member of the U.S. Navy SEALs seen in the mission "The Only Easy Day... Was Yesterday" in Call of Duty: Modern Warfare 2.
*Zack Johnson - A DJ for a radio station in Call of Duty: Black Ops
*Zacky Vengeance - A real life musician who appears in Call of Duty: Black Ops II.