Heavy Duty is a fictional character from the G.I. Joe: A Real American Hero toyline, comic books and animated series. Heavy Duty is the G.I. Joe Team's heavy ordnance specialist. He is described as being unafraid of any situation despite heavy enemy fire. He is also the cousin of Roadblock, and shares the same passion for cooking and speaking in rhyme. This character was created by Walter A. McDaniel. He is portrayed by Adewale Akinnuoye-Agbaje in the 2009 film G.I. Joe: The Rise of Cobra.

G.I. Joe: The Rise of Cobra is a 2009 American military science fiction action film based on the G.I. Joe toy line. It is the first installment in the G.I. Joe film series. Directed by Stephen Sommers from a screenplay by Stuart Beattie, David Elliot, and Paul Lovett, the film features an ensemble cast based on the various characters of the toy line. The story follows two American soldiers, Duke and Ripcord, who join the G.I. Joe Team after being attacked by Military Armaments Research Syndicate (M.A.R.S.) troops.