Mainframe (G.I. Joe)

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Mainframe
G.I. Joe character
Mainframe as seen in the Sunbow/Marvel G.I. Joe animated series.
First appearance	1986
Voiced by	Patrick Pinney (Sunbow/Marvel) Lucas Schuneman (G.I. Joe: Operation Blackout)
In-universe information
Affiliation	G.I. Joe
Specialty	Communications Expert
File name	Blaine L. Parker
Birth place	Phoenix, Arizona
SN	SN: RA 818-50-1673 then SN: 818-50-BL73
Rank	E-5 (Sergeant) E-6 (Staff Sergeant) (Devil's Due comics)
Primary MOS	Computer technology
Secondary MOS	Infantry

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.