This is an alphabetical List of G.I. Joe: A Real American Hero characters whose code names start with the letters M-R.
Mace is the G.I. Joe Team's undercover operative. His real name is Thomas S. Bowman, and he was first released as an action figure in 1993. Mace was born in Denver, Colorado.
His primary military specialty is undercover surveillance. His secondary military specialty is intelligence. Mace has spent years undercover, working against Cobra and other criminal factions. He feeds information to fellow "Battle Corps" members, who then make the resulting raids and arrests.
Major Altitude is the G.I. Joe Team's Battle Copter pilot. His real name is Robert D. Owens, and he was born in Rumford, Rhode Island. Major Altitude was first released as an action figure in 1991, as part of the Battle Copters line. He came exclusively with the "Battle Copter" vehicle. He was released again in 1993, as part of a mail-in special called "Terrifying Lasers of Destruction". He was packaged with a Cobra agent, another helicopter pilot, called Interrogator.
At the age of eleven he decides he will eventually join the G.I. Joe team; he decides to focus on its Flight School branch. Eight years later, he finishes Aviator School and Flight Warrant Officer School. He is recruited right into the Joe team. The "Major" does not reflect his rank, it is part of his code-name. He is noted as one of the most skilled pilots in the world.
Major Altitude appeared in the DiC G.I. Joe cartoon series.
Major Barrage is the G.I. Joe Team's artillery commander. His real name is David Vennemeyer, and he was first released as an action figure in 2005. He is known to take down a squadron in battle and keep on going.
Major Storm is the G.I. Joe Team's "General" commander. His real name is Robert G. Swanson, and he was born in Providence, Rhode Island. Major Storm was first released as an action figure in 1990, packaged with the General mobile assault fort. His figure was re-released in 2003. This edition was a G.I. Joe Convention exclusive.
His primary military specialty is command of the General, a large armored vehicle with multiple types of offensive weaponry. His secondary military specialty is long range artillery officer. He has extensive experience with most armored vehicles in many battlefield situations. It is noted that Major Storm is the only one who can decipher some of the General's systems. It is specified he leads a battlefield operation to discover the source of major sabotage against the General.