Ninja Force

G.I. Joe is the code name of a fictional elite covert special operations unit operating under the control of the United States Armed Forces in the G.I. Joe universe. In the 1960s and 1970s, a toy military adventure character called G.I. Joe was available. From 1982, the name "G.I. Joe" referred to the team, also known as the "Joe team" or the "Joes". The G.I. Joe team was introduced as the G.I. Joe: A Real American Hero toyline by Hasbro. Later, the Marvel G.I. Joe: A Real American Hero comic books and the G.I. Joe: A Real American Hero television cartoons were released. The team's battle cry is "Yo Joe!"