Duke is the code name of several iterations of the same character:
- Duke (RAH) - the original version as we know who appeared in the A Real American Hero series.
- Duke (Reloaded) - the version that exists in G.I. Joe Reloaded.
- Duke (Sigma 6) - the G.I. Joe field commander of the Sigma 6 continuity.
- Duke (IDW) - the character seen in the A Real American Hero IDW comics continuity.
- Duke (Movie) - the younger field commander tasked with heading the Joe Team in the film continuity.
- Duke (Renegades) - the young de facto leader of the G.I. Joes in the Renegades continuity.
- Duke (Resolute) - the Resolute version of the character.
Community content is available under CC-BY-SA unless otherwise noted.