Cobra is a ruthless terrorist organization bent on world domination. It is lead by the nefarious Cobra Commander. He has assembled the world's largest collection of criminals, mad scientists, weapon dealers, mercenaries, and anarchists the world has ever seen. The organization wields weapons produced by Destro's MARS Corporation making the terrorist organization more than most nations can handle.
The Crimson Guard, also known as Seigies, is an elite force for the Cobra organization that specializes in undercover espionage. It is headed by the Crimson Twins, and leads Cobra's business affairs.
The Blueshirts are the Cobra Officers.
The large majority of the soldiers/troops in the Cobra organization.