G.I. JOE Sigma 6 Characters

Leader of the terrorist organization COBRA. He also makes a guest star appearance in Transformers. He has been the main villain of most G.I. Joe series, and has grown only more evil and darker over the years.

One of the field leaders of G.I. JOE

A member of COBRA expert of sabotage, arson and, explosives, In the Sigma Six series he was a member of G.I. JOE, but eventually betrayed the team and joined COBRA. Has most recently been seen as a psychotic pyromaniac in the series G.I. Joe Renegades.

A member of G.I. JOE

A member of G.I. JOE who has been trained in the martial arts by Snake Eyes. She is one of the team's core members in all but one version of the series.

Silent ninja member of G.I. JOE, only living person who knows the death touch known as "the seventh step"