[[WMG: The soldiers from all of the following are G.I. Joes]]
* {{Transformers}} (in some cases, including the original cartoon, these ''canonically'' share the same universe!)
* Film/{{Cloverfield}}
* Series/TheATeam was being considered for recruitment before the infamous [[ClearMyName crime they didn't commit]].
* [[WesternAnimation/ToyStory The plastic army men]] for small scale assaults
** [[ArmyMen Sargeant Hawk and the Bravo Company Commandos]] for the same reason and as liason for the plastic world.
* [[ThePenguinsOfMadagascar Skipper, Kowalski, Rico and Private]] head the animal division
** [[WesternAnimation/PhineasAndFerb Perry the Platypus]], thought OWCA takes up more of his time
** [[WesternAnimation/PhineasAndFerb Pinky the Chiuhaha]]
* [[Film/FullMetalJacket Joker]]
* [[Series/{{Mash}} Hawkeye Pierce]]
* [[StreetFighter Guile]]
** [[StreetFighter Cammy]]
* [[Series/MalcolmInTheMiddle Reese]] until he was forced to quit
** [[Series/MalcolmInTheMiddle Abby]]
* [[PushingDaisies Charles Charles, Dwight Dixon Ned's father]]
* Film/ShaunOfTheDead
* RLeeErmey
* [[WesternAnimation/KingOfTheHill Bill Dauterive]]
* [[Series/{{NCIS}} Leroy Jethro Gibbs]]
* [[HogansHeroes Colonel Hogan]]
* [[Series/BlackSheepSquadron The Black sheep squadron]]
* [[DCComics GI Robot]]
* {{Wolverine}}
* CaptainAmerica
* MsMarvel
* [[Film/{{Aliens}} Vasquez]] before she dies.
* [[ComicStrip/{{Peanuts}} Snoopy]]
* [[Literature/ASeriesofUnfortunateEvents Lemony Snicket]]
* [[VideoGame/TeamFortress2 The Soldier]] They didn't much care for his severed head obsession.
** BLU to spite RED.
* [[VideoGame/Left4Dead Bill]]
* [[Franchise/MortalKombat Major Jackson Briggs and Sonya Blade]].
* [[Manga/DeathNote L]]
* [[Literature/LordofTheRings Gandalf the Grey]] he (or [[Literature/HarryPotter someone]]) would need to be there to deal with sorcerers.
* [[KickAss Hit Girl]]
* [[SinCity Marv]], he did say he fought in a war once...
* [[DeadRising Frank West]] he's covered wars you know...he never said which one.
* [[YouTubePoop Morshu]] unlikely, yes...but if he's like the demoman (as he is sometimes) he'd fit right in.
* [[KevinAndKell Catherine Aura]] she's in it to help make sure Cobra doesn't find out about her Earth...unfortunately they did without her knowing...
* [[LeagueofExtraordinarygentlemen Orlando]] but the magic heshe proved too AxCrazy for them so he/she quit.
* [[WesternAnimation/AquaTeenHungerForce Frylock]]
* [[TheBoondocks The White Shadow]]
* [[Webcomic/SluggyFreelance Riff]]
** [[Webcomic/SluggyFreelance Sam]]
* VideoGame/DukeNukem
* [[Franchise/SlyCooper Inspecter Fox]]
* {{Tintin}}
* [[MirrorsEdge Faith Connors]]
* [[Animation/CatCity Grabovski]]
* [[Film/InglouriousBasterds Aldo Raine]]
* [[Film/PulpFiction Jules Winnfeld]]
* [[Franchise/ResidentEvil Chris Redfield, and Jill Valentine and most BSSA Agents]]
** The American Spec-Ops group Echo Six.
* [[{{Hellsing}} Alucard]]
* MaxPayne
* FreedomForce and the whole group too.
* [[{{Freakazoid}} Cosgrave]], he's been able to even make the [[WesternAnimation/{{Animaniacs}} Warner Brothers (and sister)]] to "cut it out"
* [[WesternAnimation/DarkwingDuck SHUSH and by extension, Darkwing Duck]].
* Film/{{Tron}} keeps the Joe mainframe free of viruses and Cobra hackers.
* [[{{Warehouse13}} The Regents]]
* [[PowerRangers All the Power Rangers]]
* Film/JamesBond
* Franchise/DocSavage
* [[Franchise/MarvelCinematicUniverse S.H.I.E.L.D. Agent Phil Coulson]]
* [[ComicBook/WarMachine Lt. Col. James Rhodes]], also known as War Machine (or Iron Patriot).
* Wrestling/JohnCena

[[WMG: The following villains are members of Cobra]]
* [[ArmyMen General Plastro]]
* [[{{Transformers}} Starscream]] though trying to overthrow Megatron and command the decepticons takes up a lot of his time.
* [[ThePrincessAndTheFrog Doctor Facilier]]
* [[SonicTheHedgehog Dr. Ivo Robotnik. Alias: Eggman]]
* [[WebVideo/TheSpoonyExperiment Dr. Insano]]
* [[StreetFighter M.Bison]]
* [[ASeriesOfUnfortunateEvents Count Olaf]]
* [[WesternAnimation/DarkwingDuck The Fearsome Five]]
* [[WesternAnimation/TheFairlyOddParents Vicky]]
* [[VoltronForce Sky Marshall Wade]]
* [[ComicBook/TheSpirit The Octopus]]
* [[CaptainAmerica The Red Skull]] was offered a position but he turned them down.
* [[WesternAnimation/{{Gargoyles}} Jackal and Hyena]]
* [[WesternAnimation/RobotChicken Calvin AKA Fumbles]] is infiltrating the main GI Joe team.
* [[StarFox Pigmar Dengar]]
* [[Franchise/ResidentEvil Albert Wesker]]
** USS Wolfpack
* [[Film/TwentyEightDaysLater Major Henry West]] a.k.a. [[Film/GIJoeTheRiseOfCobra Destro]].
* [[WesternAnimation/PhineasAndFerb DOOFINSHMIRTZ EVIL INCORPORATEEEEEEEEEEED!]]
* [[VideoGame/TeamFortress2 RED]] to spite BLU.
* [[SpiderMan Norman Osborn]]
* [[Disney/{{Aladdin}} Jafar]]
* [[TwistedMetal Calypso]]
** [[TwistedMetal Needles Kane]]
*** [[TwistedMetal The rebooted Krista Sparks]]
* Comicbook/{{Nemesis}}
* [[KevinAndKell Rabbit's Revenge]] they might like like a neo Nazi esque group...but Cobra chose to make it into their branch of the group and weaken the country for their coming.
* [[TheYoungOnes Vyvyan]] he doesn't care about world domination, he just wants to blow shit up.
* TheGoon for protection from G.I. Joe, just in case the CIA is so desperate to take him out they send them in.
* [[Webcomic/SluggyFreelance Bun-Bun]]...but Cobra Commander is scared to death of him and only hires him when he needs something REALLY important done.
* [[Manga/DetectiveConan The Black Organization]]
* [[WesternAnimation/SouthPark Eric Cartman]]
* [[Comicstrip/{{Dilbert}} Dogbert]]
* [[ComicBook/{{Wanted}} The Fraternity]], the idea for killing all the superheroes on their earth was actually Cobra Commander's idea...and he plans to use them in what could be his most dangerous scheme yet.
* SelfDemonstrating/TheJoker
* [[VideoGame/BioShock1 Andrew Ryan]]
* IMMeen
* [[WesternAnimation/BatmanBeyond Mad Stan]], eventually anyways.
* [[Film/InglouriousBasterds Hans Landa]]
* [[{{Hellsing}} The Major]]
* [[VideoGame/{{Prototype}} Alex Mercer]]
* [[DrHorriblesSingAlongBlog Dr.Horrible]]
* [[FreedomForce Nuclear Winter]]
* JustForFun/CandleJack, and he isn't going to get me this ti-
** [[color:white: I wouldn't bet on that.]]
* [[WesternAnimation/DarkwingDuck F.O.W.L. High Command]]
* [[WesternAnimation/{{Motorcity}} Abraham Kane]]
* [[WesternAnimation/{{Ducktales}} Magica De Spell]]
* [[Manga/{{Monster}} Johan Liebert]]
* [[VideoGame/MegaMan Dr.Wily]]
* [[Film/DrMabuseTheGambler Dr.Mabuse]]
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