Serpentor Enemies

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

An original member of G.I. JOE, he also makes a guest appearance in Transformers G1 (as a hologram the Quintessons used to lure his daughter Marissa into a trap)

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.

A member of GI Joe

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

A member of GI Joe