Heavy Duty (RAH)

Roadblock is not the only G.I. Joe strongman with an unusual passion. When Heavy Duty goes to battle, it is classical music that flows inside his head. Heavy Duty is a rough-and-ready individual with a big heart and soul. He very much craves action just as much as the next Joe. But few would have ever suspected he knows Bach and orchestral music. At a very young age, Heavy Duty developed a passion for classical music and even became an accomplished classical guitarist. Playing the musical instruments gave Heavy Duty the edge in operating heavy weapons systems that require some specialization in operating them with both hands.

A Real American Hero continuity
Write up

Marvel Comics continuity
Heavy Duty first appeared in issue #130 of the G.I. Joe comics published by Marvel Comics. He was among the group of Joes who defended the Pit from an assault by Cobra.

Devil's Due Comics continuity
He appeared in issues 11-12 in the comics published by Devil's Due, and later makes a cameo in issue #32 of America's Elite, wearing his Sigma 6 costume.

Hasbro Comics continuity
Write up

DiC animated series
He was also featured in the first and second season of the second animated series. Heavy Duty appears in several episodes in the DiC-produced third and fourth seasons of the original G.I. Joe TV series.

Direct-to-video series
In the G.I. Joe: Spy Troops CGI animated film, Heavy Duty returns with a more colorful personality, albeit as one who loves explosives. It is mentioned in the film that he is Roadblock's cousin. Like his relative, he shares the same passion in cooking, if not the skills.

Trivia

 * Working names include Rampart, Cinder-Block, Bulwark and Brick-Wall.