Roadblock, is the codename for Marvin F. Hinton who was the original cook and heavy machine gunner of the G.I Joe series. Roadblock is also known known for his preference for talking in rhyme as well as being one of the most prominent African American characters in the series. Only ten character in the original series had more lines than did Roadblock, who had 346 lines. He also appeared in the 2nd season of the DIC series as well as one of the original Joe PSA's dealing with fallen power line. Due to problems with copyrights on the name "Roadblock" in the 2000s his character was often replace with that of Heavy Duty. He did however make an appearance on the series G.I. Joe Resolute, where Steven Jay Blum provided his voice. In the original series his voice was provided by Kene Holliday, who although he has a number of acting credits to his name has only this role, to date, on his voice over resume.