Who Is Grand Slam? Origin, Powers and Key Facts
Grand Slam (Marvel): Grand Slam is one of the original members of the G.I. Joe team. He was the team's original laser artillery soldier.
Grand Slam is a Marvel comic book character, the alter ego of James J. Barney, with over 58 comic issue appearances. Grand Slam is one of the original members of the G.I. Joe team. He was the team's original laser artillery soldier.
Who is Grand Slam?
Origin Grand Slam was born James J. Barney in Chippewa Falls, Wisconsin. His primary military specialty is artillery and secondary is electronics engineer. His first training was done in conventional artillery and he was trained with the 155mm battery. He graduated top of his class from Special Weapons School before being recruited by the G.I. Joe team. He is a qualified expert in several weapons including the M-16, M-1911A1, the H.A.L. (Heavy Artillery Laser) and J.U.M.P.
Key facts
Grand Slam is of human origin and first appeared in "Operation: Lady Doomsday; ...Hot Potato!". The character is published by Marvel. With 58 recorded issue appearances, Grand Slam ranks among the most featured characters in comics.
Frequently asked questions
Who is Grand Slam?
Grand Slam is one of the original members of the G.I. Joe team. He was the team's original laser artillery soldier.
What is Grand Slam's real name?
Grand Slam's real identity is James J. Barney.
When did Grand Slam first appear?
Grand Slam first appeared in "Operation: Lady Doomsday; ...Hot Potato!".
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