Mainframe is a fictional character from the G.I. Joe: A Real American Hero toyline, comic books and animated series. He is the G.I. Joe Team's communications expert and debuted in 1986.
Mainframe is a fictional character from the G.I. Joe: A Real American Hero toyline, comic books and animated series. He is the G.I. Joe Team's communications expert and debuted in 1986. (en)
Mainframe is a fictional character from the G.I. Joe: A Real American Hero toyline, comic books and animated series. He is the G.I. Joe Team's communications expert and debuted in 1986. (en)