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* In the Franchise/{{DCAU}}, LexLuthor is still Franchise/{{Superman}}'s primary enemy, but {{Darkseid}} and [[OmnicidalManiac Brainiac]] [[EvilerThanThou surpass]] him whenever they show up.
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* In the Franchise/{{DCAU}}, LexLuthor ComicBook/LexLuthor is still Franchise/{{Superman}}'s primary enemy, but {{Darkseid}} and [[OmnicidalManiac Brainiac]] [[EvilerThanThou surpass]] him whenever they show up.
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* We never learn the details, but as per some kind of feud stretching to before the series, Dr. Quest and Dr. Zin seem to both hate and grudgingly respect one another's guts in ''JonnyQuest''.
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* We never learn the details, but as per some kind of feud stretching to before the series, Dr. Quest and Dr. Zin seem to both hate and grudgingly respect one another's guts in ''JonnyQuest''.''WesternAnimation/JonnyQuest''.
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* In ''WesternAnimation/GravityFalls'', Gideon Gleeful and [[spoiler:Bill Cipher]] are archenemies to Dipper Pines and, in broader strokes, the rest of the Pines family.
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** CatDog and the Greaser Dogs.
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** CatDog and the Greaser Dogs.Dogs.
* ''WesternAnimation/JohnnyTest'' and Bling-Bling Boy are ''sorta'' this. They're a dubious example mainly because Johnny also doubles as his OnlyFriend.
* ''WesternAnimation/JohnnyTest'' and Bling-Bling Boy are ''sorta'' this. They're a dubious example mainly because Johnny also doubles as his OnlyFriend.
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** Glen Quagmire to Brian.
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** Glen Quagmire and, to a lesser extent, Carter Pewterschmidt and James Woods to Brian.
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* [[WithFriendsLikeThese Cartman and Kyle]] from ''WesternAnimation/SouthPark''. It was mostly onesided on Cartman's side earlier on, but the two snowballed into mortal enemies somewhere in the fifth season, and has jumped up a notch with every subsequent season.
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* [[WithFriendsLikeThese Cartman and Kyle]] from ''WesternAnimation/SouthPark''. It was mostly onesided on Cartman's side earlier on, but the two snowballed into mortal enemies somewhere in the fifth season, and has jumped up a notch with every subsequent season. Cartman even acknowledges that he and Kyle are arch enemies in "Grounded Vindaloop".
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** August St. Cloud is the archnemesis of Billy Quizboy. He eventually joins the GoCI just to make things official, bribing Watch and Ward to get Quizboy assigned as his arch.
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** August St. Cloud is the archnemesis of Billy Quizboy. He eventually joins the GoCI Guild just to make things official, bribing Watch and Ward to get Quizboy assigned as his arch.
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** August St, Cloud is the archnemesis of Billy Quizboy. He eventually joins the GoCI just to make things official, bribing Watch and Ward to get Quizboy assigned as his arch.
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** August St, St. Cloud is the archnemesis of Billy Quizboy. He eventually joins the GoCI just to make things official, bribing Watch and Ward to get Quizboy assigned as his arch.
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**August St, Cloud is the archnemesis of Billy Quizboy. He eventually joins the GoCI just to make things official, bribing Watch and Ward to get Quizboy assigned as his arch.
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* On ''WesternAnimation/TheSimpsons'', Bart Simpson has two archenemies (and both are completely mutual): Principal Seymour Skinner and Sideshow Bob.
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* On ''WesternAnimation/TheSimpsons'', Bart Simpson has two archenemies (and both are completely mutual): Principal Seymour Skinner and Sideshow Bob. With Skinner, it's an arch-rival type of relationship: Bart's efforts to bring chaos to the school vs. Skinner trying to bring order. With Bob, it's a much more serious and deadly relationship (like arch-nemeses): Bob trying to kill Bart vs. Bart trying to put Bob back in jail.
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* On ''WesternAnimation/TheSimpsons'', Bart Simpson has two (which are both completely mutual): Principal Seymour Skinner and Sideshow Bob.
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* On ''WesternAnimation/TheSimpsons'', Bart Simpson has two (which are archenemies (and both are completely mutual): Principal Seymour Skinner and Sideshow Bob.
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* On ''WesternAnimation/TheSimpsons'', Bart Simpson and Principal Seymour Skinner and Sideshow Bob.
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* On ''WesternAnimation/TheSimpsons'', Bart Simpson and has two (which are both completely mutual): Principal Seymour Skinner and Sideshow Bob.
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** Wendy Testaburger probably also considers Cartman her archenemy
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* [[TheUnfavorite Cat]] and [[RabidCop Rancid Rabbit]] from ''WesternAnimation/CatDog''.
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* [[TheUnfavorite Cat]] and [[RabidCop Rancid Rabbit]] from ''WesternAnimation/CatDog''.''WesternAnimation/CatDog''.
** CatDog and the Greaser Dogs.
** CatDog and the Greaser Dogs.
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** Homer's archenemies are Mr. Burns, Ned Flanders and Frank Grimes.
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** Homer's archenemies are Mr. Burns, Ned Flanders and Flanders, Frank Grimes.Grimes, and Patty and Selma.
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* Carter Pewterschmidt, Creator/JamesWoods, and Ernie the Giant Chicken to Peter Griffin on ''WesternAnimation/FamilyGuy''.
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* Carter Pewterschmidt, Creator/JamesWoods, James Woods, and Ernie the Giant Chicken to Peter Griffin on ''WesternAnimation/FamilyGuy''.
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* Carter Pewterschmidt and Ernie the Giant Chicken to Peter Griffin on ''WesternAnimation/FamilyGuy''.
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* Carter Pewterschmidt Pewterschmidt, Creator/JamesWoods, and Ernie the Giant Chicken to Peter Griffin on ''WesternAnimation/FamilyGuy''.
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** Although with Grimes it's mainly one sided, Homer seemed to actually quite like him. It's also one-sided with him and Flanders, since Flanders considers Homer to be a close friend.
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** Although with Grimes it's mainly one sided, Homer seemed to actually quite like him. It's also one-sided with him Homer and Flanders, since Flanders considers Homer him to be a close friend.
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** Although with Grimes it's mainly one sided, Homer seemed to actually quite like him.
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** Although with Grimes it's mainly one sided, Homer seemed to actually quite like him. It's also one-sided with him and Flanders, since Flanders considers Homer to be a close friend.
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** Marceline's ''own father'' (Hunson Abadeer) is this to her.
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** Phantom Limb actually became this to The Monarch ''and '' Dr. Venture around season 2, but underwent VillainDecay after his defeat.
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** Phantom Limb actually became this to The Monarch ''and '' Dr. Venture around towards the end of season 2, 1, but underwent VillainDecay after his defeat.
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** Phantom Limb actually became this to The Monarch ''and '' Dr. Venture around season 2, but underwent VillainDecay after his defeat.
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* [[TheUnfavorite Cat]] and [[RabidCop Rancid Rabbit]] from ''WesternAnimation/{{CatDog}}.
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* [[TheUnfavorite Cat]] and [[RabidCop Rancid Rabbit]] from ''WesternAnimation/{{CatDog}}.''WesternAnimation/CatDog''.
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** PlayedForLaughs, along with ViolentGlaswegian, when Groundskeeper Willie attributes this status to Scotland and a variety of other countries...including Scotland.
--> Damn Scots! They ruined Scotland!
--> Damn Scots! They ruined Scotland!
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* [[heUnfavorite Cat]] and [[RabidCop Rancid Rabbit]] from ''WesternAnimation/{{CatDog}}.
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* [[heUnfavorite [[TheUnfavorite Cat]] and [[RabidCop Rancid Rabbit]] from ''WesternAnimation/{{CatDog}}.
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* In ''WesternAnimation/{{Wakfu}}'', [[spoiler:Qilby the Traitor]] has deeply personal conflicts with the people who were once his closest friends and companions [[spoiler:namely the other original Eliatropes and their Dragon siblings]]. Those who still remember him loathe him utterly, while those who have forgotten are quickly reminded of why they hated him so much.
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* In ''WesternAnimation/{{Wakfu}}'', [[spoiler:Qilby the Traitor]] has deeply personal conflicts with the people who were once his closest friends and companions [[spoiler:namely the other original Eliatropes and their Dragon siblings]]. Those who still remember him loathe him utterly, while those who have forgotten are quickly reminded of why they hated him so much.much.
* [[heUnfavorite Cat]] and [[RabidCop Rancid Rabbit]] from ''WesternAnimation/{{CatDog}}.
* [[heUnfavorite Cat]] and [[RabidCop Rancid Rabbit]] from ''WesternAnimation/{{CatDog}}.
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* In ''WesternAnimation/{{Wakfu}}, [[spoiler:Qilby the Traitor]] has deeply personal conflicts with the people who were once his closest friends and companions [[spoiler:namely the other original Eliatropes and their Dragon siblings]]. Those who still remember him loathe him utterly, while those who have forgotten are quickly reminded of why they hated him so much.
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* In ''WesternAnimation/{{Wakfu}}, ''WesternAnimation/{{Wakfu}}'', [[spoiler:Qilby the Traitor]] has deeply personal conflicts with the people who were once his closest friends and companions [[spoiler:namely the other original Eliatropes and their Dragon siblings]]. Those who still remember him loathe him utterly, while those who have forgotten are quickly reminded of why they hated him so much.
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* In almost all incarnations of the ''Franchise/TeenageMutantNinjaTurtles'' franchise, the Shredder has always been at odds with the Turtles and Splinter, and always at a deeply personal level. However, the one who arguably displays this trait strongest is the Utrom Shredder of the 2003 TMNT cartoon series. His hatred of them was ''so deep'' that it culminated into the climax of the ''WesternAnimation/TurtlesForever'' movie, where [[spoiler:he was willing to destroy the [[TheMultiverse multiverse]] to destroy all turtles, even at the cost of his own life and that of his daughter Karai, the only other living being that he honestly cares about.]]
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* In almost all incarnations of the ''Franchise/TeenageMutantNinjaTurtles'' franchise, the Shredder has always been at odds with the Turtles and Splinter, and always at a deeply personal level. However, the one who arguably displays this trait strongest is the Utrom Shredder of the 2003 TMNT cartoon series. His hatred of them was ''so deep'' that it culminated into the climax of the ''WesternAnimation/TurtlesForever'' movie, where [[spoiler:he was willing to destroy the [[TheMultiverse multiverse]] to destroy all turtles, even at the cost of his own life and that of his daughter Karai, the only other living being that he honestly cares about.]]]]
* In ''WesternAnimation/{{Wakfu}}, [[spoiler:Qilby the Traitor]] has deeply personal conflicts with the people who were once his closest friends and companions [[spoiler:namely the other original Eliatropes and their Dragon siblings]]. Those who still remember him loathe him utterly, while those who have forgotten are quickly reminded of why they hated him so much.
* In ''WesternAnimation/{{Wakfu}}, [[spoiler:Qilby the Traitor]] has deeply personal conflicts with the people who were once his closest friends and companions [[spoiler:namely the other original Eliatropes and their Dragon siblings]]. Those who still remember him loathe him utterly, while those who have forgotten are quickly reminded of why they hated him so much.
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* [[WithFriendsLikeThese Cartman and Kyle]] from ''WesternAnimation/SouthPark''. It was mostly onesided on Cartman's side earlier on, but the two snowballed into mortal enemies somewhere in the fifth season, and has jumped up a notch with every subsequent season.
** Also, Scott Tenorman to his half-brother Cartman.
* The Monarch from ''WesternAnimation/TheVentureBrothers'' wants to be Doctor Venture's Arch Enemy, but Doctor Venture doesn't consider him a threat.
-->'''Hank''': ''What's your problem with our dad anyway?!''
-->'''The Monarch''': ''(awkwardly) Well, I- he- he's my nemesis. My Arch Enemy.''
-->'''Dean''': ''I don't think pop thinks you're his Arch Enemy.''
-->'''The Monarch''': ''Come on, I'm sure the walls of the Venture Compound are practically caked with the lingering curses of the Monarch's name.''
-->'''Dean''': ''Uhh, no. I've never even heard him mention you.''
-->'''Hank''': ''Yeah, I always thought Baron Underbheit was dad's arch-enemy.''
-->'''The Monarch''': ''(astounded) Underbheit!?! Why, that dime-store Doctor Doom isn't fit to -- just you wait till your father calls me back!!''
** Initially, at least. The Monarch quickly revealed himself to be a NotSoHarmlessVillain and an actual DiabolicalMastermind over the course of the first and second seasons. He was also involved in a vicious feud with Underbheit over who could kill Venture (before they decided upon a VillainTeamUp). By the end of the second season, Rusty wasn't willing to bury the hatchet, even though the Monarch was (though it's all back to the same routine by the later season).
** Underbheit, on the other hand, has made very rare appearances now and again, until LaResistance deposed him of his throne. He hasn't been, and (according to DVDCommentary) probably won't be, heard from again.
*** He has been. About halfway through Season 4, he teamed up with Phantom Limb [[spoiler:and Professor Impossible.]]
** And, as of season three's "Home Is Where The Hate Is", Dr. Venture's new Arch Enemy was Sergeant Hatred, who was assigned by the [[WeirdTradeUnion Guild of Calamitous Intent]]. His actual goal is to be as ''nice'' to Dr. Venture as possible, so as to annoy the Monarch and pay him back for his henchmen robbing him. However Hatred eventually becomes the new Venture Bodyguard and Monarch gets himself a free pass to antagonize Venture once again.
** ''WesternAnimation/TheVentureBrothers'' has an interesting system wherein archrivalries are assigned, not chosen, by the OSI and Guild of Calamitous Intent (hence the coinage of a term: 'arching' to describe the act of being an archnemesis). In season 3, it's revealed that a reason for Dr. Mrs. The Monarch's attraction to her husband is that The Monarch's archrivalry of Venture doesn't stem from this stodgy system, but actual, living, breathing, unfounded hatred.
* Captain Hero on ''WesternAnimation/DrawnTogether'' belatedly realized that the random homeless guy they ran over was "My... ARCH... ''NEMESIS''!"
** As an added, subtlety that would only be found on this show, his goal is not Captain Hero's destruction, but to get him to wash his balls. And has succeeded multiple times.
* ''WesternAnimation/AdventureTime'': The Lich for Billy and Finn the Human.
** Also, the Ice King for Finn and Jake in the season 1.
* ''WesternAnimation/{{Daria}}'': Ms. Angela Li for Daria.
* ''WesternAnimation/ThePowerpuffGirls'': Mojo Jojo for all 3 girls, especially Blossom.
** HIM for Bubbles.
** The Gangreen Gang for Buttercup.
* Dexter from ''WesternAnimation/DextersLaboratory'' has Mandark as Arch Enemy.
** Dee-Dee's arch-nemesis is Lala Vava, Mandark's sister... [[WhatHappenedToTheMouse for one episode, that is]].
* David Xanatos to Goliath in ''WesternAnimation/{{Gargoyles}}''. Though Xanatos fits best from a series standpoint, from a ''personal'' standpoint Demona, the Archmage, and Thailog might also want to claim that spot. From the same series, Tony Dracon is Elisa Maza's Arch Enemy (though he's not much of a threat to the Gargoyles themselves), while the line of Hunters consider themselves Demona's collective Arch Enemy (though in truth hers is probably [=MacBeth=]).
* We never learn the details, but as per some kind of feud stretching to before the series, Dr. Quest and Dr. Zin seem to both hate and grudgingly respect one another's guts in ''JonnyQuest''.
* In ''WesternAnimation/SpongebobSquarepants'', Mr. Krabs and Plankton.
** For a very brief time (about two episodes), [=SpongeBob=] himself had Bubble Bass; a slimy, devious and notoriously hard-to-please connoisseur who served as a {{Foil}} to [=SpongeBob=], the workaholic, perfectionist fry cook.
** Sometimes: [=SpongeBob=] and Plankton.
* On ''WesternAnimation/TheSimpsons'', Bart Simpson and Principal Seymour Skinner and Sideshow Bob.
** In the movies-within-the-show, [=McBain=]'s archrival is Mendoza. [[BigNo Mendoza!!!!!!!]]
** Even Maggie has the the one-eyebrowed Baby Gerald.
** Homer's archenemies are Mr. Burns, Ned Flanders and Frank Grimes.
** Although with Grimes it's mainly one sided, Homer seemed to actually quite like him.
* Cobra Commander to Duke and the GIJoe.
* In ''Franchise/{{Transformers}}'', Megatron is Optimus Prime's Arch Enemy. Or [[WesternAnimation/BeastWars Optimus Primal's]], depending on the series.
** This refers to two different Megatron's. They are in the same contunity- the Megatron who is the archenemy of Primal is a LegacyCharacter who took up his name.
** ''WesternAnimation/TransformersPrime'' uses this trope a lot -- in addition to [[BigBad Megatron]] and [[TheHero Optimus]], there's [[TheBrute Breakdown]] and [[TheBigGuy Bulkhead]], [[TheDarkChick Airachnid]] and [[TheLancer Arcee]], and in the background mythology, [[BiggerBad Unicron]] and [[BigGood Primus]].
* Vlad Plasmius to the eponymous character in ''WesternAnimation/DannyPhantom''.
* Each of the WesternAnimation/TeenTitans had one:
** Slade to Robin.
** Brother Blood to Cyborg.
** Blackfire to Starfire.
** Trigon to Raven.
** Terra to Beast Boy (because she was his PsychoExGirlfriend).
** And the Brotherhood of Evil to EVERYONE.
*** On a personal level the Brotherhood (and specifically, the Brain) is Beast Boy's Arch Enemy. He was a member of the team that opposed them before he joined the Titans, and his past with them is what draws the other Titans into the conflict. Interestingly, this is a rare case of the hero taking it more seriously than the villain- the Brain considers Mento, the Doom Patrol's leader, to be his Arch Enemy, and regards Beast Boy as little more than an irritant. Yet, thanks to Beast Boy (and by extension, the Titans), the Brain considers ALL {{kid hero}}es his archenemies.
* ''WesternAnimation/AvatarTheLastAirbender'': Prince Zuko is the Arch Enemy of both Aang and Zhao for the first season. In the second season, [[spoiler:Zhao dies]] and his evil sister Azula becomes Zuko's new Arch Enemy. Aang himself himself has [[BigBad Fire Lord Ozai]], though mostly from the fact that the two of them are destined to have an ultimate showdown, and everyone who wants to capture Aang intend to present him to the Fire Lord.
** SequelSeries ''WesternAnimation/TheLegendOfKorra'' introduces us to Vaatu, the ''true'' Arch Enemy of the Avatar.
* Dr. Drakken is WesternAnimation/KimPossible's self-proclaimed arch foe, although Shego is her {{foil}} and the one she actually [[DarkActionGirl locks fists with]]. More specifically Drakken is an arch foe and Shego is the nemesis. It's like a [[LoveTriangle love]] [[FoeYay triangle]]...
** Ron's Arch Foe is Monkey Fist, but that's mostly because Fist is the only one who recognizes Ron's name; that and the "Mystical Monkey Power."
*** There's also Gil, [[NeverMyFault who blames Ron]] for his mutation.
** Due to the (presumed) deaths of Warhok and Warmonga, the Lorwardians will probably be Ron and Kim's archenemies.
* Dr. Claw to InspectorGadget.
* In the Franchise/{{DCAU}}, LexLuthor is still Franchise/{{Superman}}'s primary enemy, but {{Darkseid}} and [[OmnicidalManiac Brainiac]] [[EvilerThanThou surpass]] him whenever they show up.
** And yet Luthor has survived direct dealings with both of them while even as both suffered grievous defeat. He was [[spoiler:fused with Brainiac]] and [[spoiler:personally put away Darkseid with the Anti-Life Equation who, it should be added, was even fused with Brainiac at the time]].
** Of all three though, Darkseid is easily Superman's most hated enemy. To put it in perspective, he is the only villain in the Franchise/{{DCAU}} that Superman has no problem with killing, and actually ''WANTS'' to kill.
*** The only one who was able to actually BREAK Superman was indeed Lex Luthor. That WAS the Justice Lord version, but he was still really, really close to it in the main DCAU also.
** Brainiac seems to consider Superman's father Jor-El to be his archfoe even though Jor-El is long dead. Brainiac never forgot that Jor-El opposed him to the very end and nearly destroyed him. For someone who supposedly lacks emotions, Brainiac took great pleasure in making "the son of Jor-El" kneel before him when he went back in time to kill teenage Clark. When Brainiac and Superman encounter each other on Apokolips, Brainiac claims that Superman has no hope of stopping him since his father couldn't.
* The Joker and Batman in ''WesternAnimation/BatmanTheAnimatedSeries''.
** In ''WesternAnimation/BewareTheBatman'' [[AscendedExtra Anarky]] of all people is apparently taking this role.
* Mocked (unsurprisingly) by ''WesternAnimation/TheTick'':
-->'''The Tick:''' Oh, for crying out loud...\\
'''Brainchild:''' So, at last, The Tick, my arch enemy, sits helpless before me!\\
'''The Tick:''' 'Arch enemy'? You must be joking, Charles. I mean, I don't like you and everything but if I ever ''do'' have an arch enemy it's not going to be some creepy little brat with a glass head.
* Carter Pewterschmidt and Ernie the Giant Chicken to Peter Griffin on ''WesternAnimation/FamilyGuy''.
** Stewie to his half-brother Bertram.
* For some reason or another, In Franchise/SpiderMan's [[WesternAnimation/SpiderManAndHisAmazingFriends cartoon]] from the 80s, his arch enemy was Doctor Doom. While the two have had s few historic encounters with one another in the comics, Doom is otherwise always depicted as an enemy of the ComicBook/FantasticFour above all else.
* Using similar logic to the ''WesternAnimation/KimPossible'' example, in ''WesternAnimation/DuckTales'' Scrooge [=McDuck=]'s arch [[TheRival rival]] is Flintheart Glomgold, but his most threatening nemesis is Magica de Spell. If you have to have an obsessive, [[ImplacableMan implacable]] arch nemesis, might as well be a sexy sorceress.
** [[ComicBook/DisneyDucksComicUniverse In the comics]], he has three, Flimheart Glomgold, John D. Rockerduck and his most threatening nemesis is [[EvilOldFolks Blackheart Beagle]] who eventually recruits all the other recurring villains into his LegionOfDoom.
* [[BigBad Imperiex]] and Franchise/{{Superman}} clone Kell-El in the ''WesternAnimation/LegionOfSuperHeroes'' cartoon.
* Ebon to Static in ''WesternAnimation/StaticShock''.
* ''WesternAnimation/InvaderZim'' and Dib.
* ''WesternAnimation/{{Freakazoid}}'' is another example of a series where the Arch Enemy and the most dangerous enemy are not one and the same. The Lobe is the Arch Enemy, but Freakazoid's most genuinely threatening foe is CorruptCorporateExecutive Armando Gutierrez.
* Vicky on ''WesternAnimation/TheFairlyOddparents'' fits this for Timmy.
** Crocker and Francis usually are also mentioned at the top when listing Timmy's enemies.
* Blight to the new Batman (''WesternAnimation/BatmanBeyond'').
* In ''WesternAnimation/SpiderManTheAnimatedSeries'' all of the three traditional Spider-Man arch-enemies mentioned in the comic books section above are present, but the Green Goblin and Venom are both far less prominent, and Dr Octopus is downgraded to a B-list villain. Instead, the Kingpin serves as Spidey's main enemy.
* ''WesternAnimation/{{Ben 10}}'' has several characters possessing their own ach-enemies:
** Ben Tennyson's most well known nemesis is Vilgax, who also used to be Max's. Kevin 11 and Dr Animo were considered as such as well in the original show, but by the sequels, Kevin made a HeelFaceTurn and Animo became a relatively minor villain due to new more dangerous villains showing up. Finally, Albedo arguably counts due to being Ben's EvilCounterpart.
** Gwen Tennyson has Hex and Charmcaster (until HeelFaceTurn), both being directly linked to her connection to magic. While both of them ''did'' fight Ben, Max or Kevin, it's pretty clear their grudge toward Gwen is much more personnal.
** While Ragnarock appeared for only one episode, his link to Kevin's origin is enough to qualify as Kevin's Arch-enemy.
** AntiVillain King George from the Forever Knight has [[EldritchAbomination Diagon]];
* Perry the Platypus and Dr Doofenschmirtz from ''WesternAnimation/PhineasAndFerb'' are aknowledged to be this, though Perry likely doesn't really respect Doofenschmirtz as a nemesis. Even so, the relationship is [[FoeYay very important to both of them]], and any time it's interrupted is [[DoesThisRemindYouOfAnything treated like a romantic break-up]].
* Dr. Pretorius to ''WesternAnimation/TheMask'' in the animated series, at least for being the most recurring villain.
* Looking at the ''WesternAnimation/KimPossible'' and ''WesternAnimation/DuckTales'' examples, ''WesternAnimation/AladdinTheSeries'' had kind of the same deal with [[HarmlessVillain Abis Mal]] and [[KnightOfCerebus Mozenrath]]. Maybe it's a Disney thing...
* The Evil Emperor Zurg to the title character of ''WesternAnimation/BuzzLightyearOfStarCommand''.
* In ''WesternAnimation/ThunderCats'' and ''WesternAnimation/ThunderCats2011'' Mumm-Ra (the Ever Living) to Lion-O and the [=ThunderCats=].
* Emperor Krulos to Questar and the ''DinoRiders''.
* Mon*Star to Stargazer, Quicksilver and the ''WesternAnimation/SilverHawks''. (Funny part is that they were voiced by the same actor.)
* Heather to Gwen in ''WesternAnimation/TotalDramaIsland'', which carries over into later seasons. Also, Alejandro's official title is "The Arch Rival".
* Van Kleiss and Quarry to Rex in ''WesternAnimation/GeneratorRex''.
* ''WesternAnimation/AdventuresOfTheGalaxyRangers'' had a pretty good sized RoguesGallery for an 80's cartoon, but two out of the four definitely had archenemies. The Queen of the Crowns had Zachary as an Arch Enemy while Killbane and Shane had a long, nasty history that only got worse after most of the Supertroopers went renegade.
* The Huntsman is Jake's Arch Enemy in ''WesternAnimation/AmericanDragonJakeLong''. Interestingly, he is only #4 on the Dragons' list of the top thirteen threats to the magical world. The #1 threat, the Dark Dragon, is Jake's ''Grandpa's'' Arch Enemy.
* In ''WesternAnimation/{{Stormhawks}}'', [[TheHero Aerrow's]] Arch Enemy is ''not'' the BigBad Cyclonus; rather, it's TheDragon Dark Ace. Cyclonus is the EvilCounterpart and Arch Enemy of Piper.
* WesternAnimation/TomAndJerry.
* WesternAnimation/LooneyTunes has Bugs Bunny and Elmer Fudd, Sylvester and Tweety, and WesternAnimation/WileECoyoteAndTheRoadRunner.
* Coop and Kat on ''KidVSKat''.
* Mrs Boots is Buckley's in ''SlackerCats''.
* MickeyMouse has two arch-enemies: {{Pete}} and the Phantom Blot, the latter moreso in comic books.
* ''WesternAnimation/ScaredySquirrel'' gives us [[ButtMonkey Scaredy]], [[StupidSexyFlanders Nester]] and [[FakeUltimateHero Paddy]]
* Rudy Tabootie, Mr. Wilter and Reggie Bullnerd in ChalkZone.
* Eric Needles and Professor Pampelmoose in ''WesternAnimation/{{Sidekick}}''
* Tak, [[FatBastard Cheif]] and [[{{Gonk}} Lok]] in ''WesternAnimation/TakAndThePowerOfJuju''.
* ''WesternAnimation/StarWarsCloneWars'': The Mon Calamri often fight with the Quarren, both species are natives of the planet Dac.
* Doc Terror to the WesternAnimation/{{Centurions}}.
* Often played for laughs in ''WesternAnimation/DarkwingDuck'', where Darkwing would frequently refer as his Arch Enemy/archrival/archnemesis ''any'' villain he would have met at least twice. Even a guys whose only power was to ''have a bunch of penguins at his service to commit robberies'' was once referred as his Arch Enemy. However, from a serious point of view, at least three antagonists can be seen as his archenemies:
** [[PsychoElectro Megavolt]] initially owned the role, being both the first villain Darkwing chronogically faced (at least in his more "realistic" backstory), a personnal ennemy and one of the most recurring antagonists. He gradually lost the post to Negaduck however, to the point the recent comic sequel has him retired.
** [[EvilCounterpart Negaduck]] is mostly considered as the main Arch Enemy, due to both being an evil counterpart of the hero, the leader of the [[FiveBadBand Fearsome Five]] and the most popular vilain amongst fans.
** [[MagnificentBastard Taurus Bulba]], while having only two appearances in the animated series, was the first villain seen onscreen, as well as one of the most fearsome and competent. His link to Gazolyne makes him a personnal villain. As such, he can be considered, in a way, as an Arch-Enemy
* [[CreepyChild The Delightful Children]] and Kids Next Door but especially Numbuh 1 in ''WesternAnimation/CodenameKidsNextDoor''.
** Numbuh 1 also had Father [[spoiler:who is his EvilUncle]] and Chad aka Numbuh 274, the former leader of the KND [[spoiler:who hated him because Numbuh 1 was considered to be a better operative than him (which was eventually proven true).]] Numbuh 5 has her sister Cree, Numbuh 2, the Common Cold, and Numbuh 4, the Toilenator.
* Skysurfer One and Cybron from ''WesternAnimation/SkysurferStrikeForce''. On the one hand, Cybron is responsible for stealing a an experimental computer brain from an A.I. lab, then blowing it to kingdom come, letting Sky's father (who Cybron may have also killed) take the blame. On the other hand, Skysurfer One and the other Skysurfers routinely stop his attempts to TakeOverTheWorld.
* In the ''WesternAnimation/{{Futurama}}'' movie ''Into the Wild Green Yonder'', the Encyclopod and the Dark One. Their species have been archenemies since time immemorial: the Encyclopods wish to preserve all life and the Dark Ones want to destroy it. [[spoiler:After the last Dark One is killed, the last Encyclopod reluctantly decides to preserve its ancient enemy's genetic code. Fortunately, the last Dark One's remains are immediately wholly destroyed making this impossible so the Encyclopod doesn't have to carry its worst enemy on its back.]]
* Although ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' works on a MonsterOfTheWeek format that discourages recurring enemies, [[TheHighQueen Princess]] [[BigGood Celestia]] is only ever shown to have personal animosity towards one individual: [[GodOfEvil Discord]]. He was the first character Celestia ever actually sent the Mane Six to defeat, and [[OoCIsSeriousBusiness the first time we ever see her angry or genuinely surprised]] are when he steals the Elements of Harmony. [[ForTheEvulz He, of course, thinks this is all great fun.]] Fanon - [[FoeYay shipping]] [[DryDockedShip included]], [[SeriousBusiness of course]] - makes a big deal of this. [[spoiler:Now that Discord has pulled a HeelFaceTurn, this probably no longer applies, even if he's still a loose cannon.]]
** Trixie is sometimes depicted as this in {{Fanon}} with regards to Twilight Sparkle… when they’re not being [[{{Shipping}} shipped]], that is. (Granted, [[FoeYay the two are not mutually exclusive]].)
** Diamond Tiara and (occasionally) Silver Spoon to the Cutie Mark Crusaders (but mostly Apple Bloom). Diamond Tiara does ''not'' like Apple Bloom one bit and all of her appearances show her trying to hurt and humiliate the "blank-flank".
* The Warden of ''{{Superjail}}'' has both [[DistaffCounterpart The Mistress]] and [[CardCarryingVillain Lord Stingray]]. Although the Mistress debuted first, it's [[LampshadeHanging lampshaded that while the Warden considers her an archenemy, he barely gets to see her that often]]. The Mistress and Stingray even teamed up and attempted their own relationship in the season 3 premiere (after taking over the jail), though the relationship fell through.
* While Diesel from ''WesternAnimation/ThomasTheTankEngine'' is [[FantasticRacism antagonistic towards all of the steam engines]], he shares most of his enmity and rivalry towards Thomas in the later seasons. In his debut appearance, Diesel's original enemy was Duck.
* In almost all incarnations of the ''Franchise/TeenageMutantNinjaTurtles'' franchise, the Shredder has always been at odds with the Turtles and Splinter, and always at a deeply personal level. However, the one who arguably displays this trait strongest is the Utrom Shredder of the 2003 TMNT cartoon series. His hatred of them was ''so deep'' that it culminated into the climax of the ''WesternAnimation/TurtlesForever'' movie, where [[spoiler:he was willing to destroy the [[TheMultiverse multiverse]] to destroy all turtles, even at the cost of his own life and that of his daughter Karai, the only other living being that he honestly cares about.]]
** Also, Scott Tenorman to his half-brother Cartman.
* The Monarch from ''WesternAnimation/TheVentureBrothers'' wants to be Doctor Venture's Arch Enemy, but Doctor Venture doesn't consider him a threat.
-->'''Hank''': ''What's your problem with our dad anyway?!''
-->'''The Monarch''': ''(awkwardly) Well, I- he- he's my nemesis. My Arch Enemy.''
-->'''Dean''': ''I don't think pop thinks you're his Arch Enemy.''
-->'''The Monarch''': ''Come on, I'm sure the walls of the Venture Compound are practically caked with the lingering curses of the Monarch's name.''
-->'''Dean''': ''Uhh, no. I've never even heard him mention you.''
-->'''Hank''': ''Yeah, I always thought Baron Underbheit was dad's arch-enemy.''
-->'''The Monarch''': ''(astounded) Underbheit!?! Why, that dime-store Doctor Doom isn't fit to -- just you wait till your father calls me back!!''
** Initially, at least. The Monarch quickly revealed himself to be a NotSoHarmlessVillain and an actual DiabolicalMastermind over the course of the first and second seasons. He was also involved in a vicious feud with Underbheit over who could kill Venture (before they decided upon a VillainTeamUp). By the end of the second season, Rusty wasn't willing to bury the hatchet, even though the Monarch was (though it's all back to the same routine by the later season).
** Underbheit, on the other hand, has made very rare appearances now and again, until LaResistance deposed him of his throne. He hasn't been, and (according to DVDCommentary) probably won't be, heard from again.
*** He has been. About halfway through Season 4, he teamed up with Phantom Limb [[spoiler:and Professor Impossible.]]
** And, as of season three's "Home Is Where The Hate Is", Dr. Venture's new Arch Enemy was Sergeant Hatred, who was assigned by the [[WeirdTradeUnion Guild of Calamitous Intent]]. His actual goal is to be as ''nice'' to Dr. Venture as possible, so as to annoy the Monarch and pay him back for his henchmen robbing him. However Hatred eventually becomes the new Venture Bodyguard and Monarch gets himself a free pass to antagonize Venture once again.
** ''WesternAnimation/TheVentureBrothers'' has an interesting system wherein archrivalries are assigned, not chosen, by the OSI and Guild of Calamitous Intent (hence the coinage of a term: 'arching' to describe the act of being an archnemesis). In season 3, it's revealed that a reason for Dr. Mrs. The Monarch's attraction to her husband is that The Monarch's archrivalry of Venture doesn't stem from this stodgy system, but actual, living, breathing, unfounded hatred.
* Captain Hero on ''WesternAnimation/DrawnTogether'' belatedly realized that the random homeless guy they ran over was "My... ARCH... ''NEMESIS''!"
** As an added, subtlety that would only be found on this show, his goal is not Captain Hero's destruction, but to get him to wash his balls. And has succeeded multiple times.
* ''WesternAnimation/AdventureTime'': The Lich for Billy and Finn the Human.
** Also, the Ice King for Finn and Jake in the season 1.
* ''WesternAnimation/{{Daria}}'': Ms. Angela Li for Daria.
* ''WesternAnimation/ThePowerpuffGirls'': Mojo Jojo for all 3 girls, especially Blossom.
** HIM for Bubbles.
** The Gangreen Gang for Buttercup.
* Dexter from ''WesternAnimation/DextersLaboratory'' has Mandark as Arch Enemy.
** Dee-Dee's arch-nemesis is Lala Vava, Mandark's sister... [[WhatHappenedToTheMouse for one episode, that is]].
* David Xanatos to Goliath in ''WesternAnimation/{{Gargoyles}}''. Though Xanatos fits best from a series standpoint, from a ''personal'' standpoint Demona, the Archmage, and Thailog might also want to claim that spot. From the same series, Tony Dracon is Elisa Maza's Arch Enemy (though he's not much of a threat to the Gargoyles themselves), while the line of Hunters consider themselves Demona's collective Arch Enemy (though in truth hers is probably [=MacBeth=]).
* We never learn the details, but as per some kind of feud stretching to before the series, Dr. Quest and Dr. Zin seem to both hate and grudgingly respect one another's guts in ''JonnyQuest''.
* In ''WesternAnimation/SpongebobSquarepants'', Mr. Krabs and Plankton.
** For a very brief time (about two episodes), [=SpongeBob=] himself had Bubble Bass; a slimy, devious and notoriously hard-to-please connoisseur who served as a {{Foil}} to [=SpongeBob=], the workaholic, perfectionist fry cook.
** Sometimes: [=SpongeBob=] and Plankton.
* On ''WesternAnimation/TheSimpsons'', Bart Simpson and Principal Seymour Skinner and Sideshow Bob.
** In the movies-within-the-show, [=McBain=]'s archrival is Mendoza. [[BigNo Mendoza!!!!!!!]]
** Even Maggie has the the one-eyebrowed Baby Gerald.
** Homer's archenemies are Mr. Burns, Ned Flanders and Frank Grimes.
** Although with Grimes it's mainly one sided, Homer seemed to actually quite like him.
* Cobra Commander to Duke and the GIJoe.
* In ''Franchise/{{Transformers}}'', Megatron is Optimus Prime's Arch Enemy. Or [[WesternAnimation/BeastWars Optimus Primal's]], depending on the series.
** This refers to two different Megatron's. They are in the same contunity- the Megatron who is the archenemy of Primal is a LegacyCharacter who took up his name.
** ''WesternAnimation/TransformersPrime'' uses this trope a lot -- in addition to [[BigBad Megatron]] and [[TheHero Optimus]], there's [[TheBrute Breakdown]] and [[TheBigGuy Bulkhead]], [[TheDarkChick Airachnid]] and [[TheLancer Arcee]], and in the background mythology, [[BiggerBad Unicron]] and [[BigGood Primus]].
* Vlad Plasmius to the eponymous character in ''WesternAnimation/DannyPhantom''.
* Each of the WesternAnimation/TeenTitans had one:
** Slade to Robin.
** Brother Blood to Cyborg.
** Blackfire to Starfire.
** Trigon to Raven.
** Terra to Beast Boy (because she was his PsychoExGirlfriend).
** And the Brotherhood of Evil to EVERYONE.
*** On a personal level the Brotherhood (and specifically, the Brain) is Beast Boy's Arch Enemy. He was a member of the team that opposed them before he joined the Titans, and his past with them is what draws the other Titans into the conflict. Interestingly, this is a rare case of the hero taking it more seriously than the villain- the Brain considers Mento, the Doom Patrol's leader, to be his Arch Enemy, and regards Beast Boy as little more than an irritant. Yet, thanks to Beast Boy (and by extension, the Titans), the Brain considers ALL {{kid hero}}es his archenemies.
* ''WesternAnimation/AvatarTheLastAirbender'': Prince Zuko is the Arch Enemy of both Aang and Zhao for the first season. In the second season, [[spoiler:Zhao dies]] and his evil sister Azula becomes Zuko's new Arch Enemy. Aang himself himself has [[BigBad Fire Lord Ozai]], though mostly from the fact that the two of them are destined to have an ultimate showdown, and everyone who wants to capture Aang intend to present him to the Fire Lord.
** SequelSeries ''WesternAnimation/TheLegendOfKorra'' introduces us to Vaatu, the ''true'' Arch Enemy of the Avatar.
* Dr. Drakken is WesternAnimation/KimPossible's self-proclaimed arch foe, although Shego is her {{foil}} and the one she actually [[DarkActionGirl locks fists with]]. More specifically Drakken is an arch foe and Shego is the nemesis. It's like a [[LoveTriangle love]] [[FoeYay triangle]]...
** Ron's Arch Foe is Monkey Fist, but that's mostly because Fist is the only one who recognizes Ron's name; that and the "Mystical Monkey Power."
*** There's also Gil, [[NeverMyFault who blames Ron]] for his mutation.
** Due to the (presumed) deaths of Warhok and Warmonga, the Lorwardians will probably be Ron and Kim's archenemies.
* Dr. Claw to InspectorGadget.
* In the Franchise/{{DCAU}}, LexLuthor is still Franchise/{{Superman}}'s primary enemy, but {{Darkseid}} and [[OmnicidalManiac Brainiac]] [[EvilerThanThou surpass]] him whenever they show up.
** And yet Luthor has survived direct dealings with both of them while even as both suffered grievous defeat. He was [[spoiler:fused with Brainiac]] and [[spoiler:personally put away Darkseid with the Anti-Life Equation who, it should be added, was even fused with Brainiac at the time]].
** Of all three though, Darkseid is easily Superman's most hated enemy. To put it in perspective, he is the only villain in the Franchise/{{DCAU}} that Superman has no problem with killing, and actually ''WANTS'' to kill.
*** The only one who was able to actually BREAK Superman was indeed Lex Luthor. That WAS the Justice Lord version, but he was still really, really close to it in the main DCAU also.
** Brainiac seems to consider Superman's father Jor-El to be his archfoe even though Jor-El is long dead. Brainiac never forgot that Jor-El opposed him to the very end and nearly destroyed him. For someone who supposedly lacks emotions, Brainiac took great pleasure in making "the son of Jor-El" kneel before him when he went back in time to kill teenage Clark. When Brainiac and Superman encounter each other on Apokolips, Brainiac claims that Superman has no hope of stopping him since his father couldn't.
* The Joker and Batman in ''WesternAnimation/BatmanTheAnimatedSeries''.
** In ''WesternAnimation/BewareTheBatman'' [[AscendedExtra Anarky]] of all people is apparently taking this role.
* Mocked (unsurprisingly) by ''WesternAnimation/TheTick'':
-->'''The Tick:''' Oh, for crying out loud...\\
'''Brainchild:''' So, at last, The Tick, my arch enemy, sits helpless before me!\\
'''The Tick:''' 'Arch enemy'? You must be joking, Charles. I mean, I don't like you and everything but if I ever ''do'' have an arch enemy it's not going to be some creepy little brat with a glass head.
* Carter Pewterschmidt and Ernie the Giant Chicken to Peter Griffin on ''WesternAnimation/FamilyGuy''.
** Stewie to his half-brother Bertram.
* For some reason or another, In Franchise/SpiderMan's [[WesternAnimation/SpiderManAndHisAmazingFriends cartoon]] from the 80s, his arch enemy was Doctor Doom. While the two have had s few historic encounters with one another in the comics, Doom is otherwise always depicted as an enemy of the ComicBook/FantasticFour above all else.
* Using similar logic to the ''WesternAnimation/KimPossible'' example, in ''WesternAnimation/DuckTales'' Scrooge [=McDuck=]'s arch [[TheRival rival]] is Flintheart Glomgold, but his most threatening nemesis is Magica de Spell. If you have to have an obsessive, [[ImplacableMan implacable]] arch nemesis, might as well be a sexy sorceress.
** [[ComicBook/DisneyDucksComicUniverse In the comics]], he has three, Flimheart Glomgold, John D. Rockerduck and his most threatening nemesis is [[EvilOldFolks Blackheart Beagle]] who eventually recruits all the other recurring villains into his LegionOfDoom.
* [[BigBad Imperiex]] and Franchise/{{Superman}} clone Kell-El in the ''WesternAnimation/LegionOfSuperHeroes'' cartoon.
* Ebon to Static in ''WesternAnimation/StaticShock''.
* ''WesternAnimation/InvaderZim'' and Dib.
* ''WesternAnimation/{{Freakazoid}}'' is another example of a series where the Arch Enemy and the most dangerous enemy are not one and the same. The Lobe is the Arch Enemy, but Freakazoid's most genuinely threatening foe is CorruptCorporateExecutive Armando Gutierrez.
* Vicky on ''WesternAnimation/TheFairlyOddparents'' fits this for Timmy.
** Crocker and Francis usually are also mentioned at the top when listing Timmy's enemies.
* Blight to the new Batman (''WesternAnimation/BatmanBeyond'').
* In ''WesternAnimation/SpiderManTheAnimatedSeries'' all of the three traditional Spider-Man arch-enemies mentioned in the comic books section above are present, but the Green Goblin and Venom are both far less prominent, and Dr Octopus is downgraded to a B-list villain. Instead, the Kingpin serves as Spidey's main enemy.
* ''WesternAnimation/{{Ben 10}}'' has several characters possessing their own ach-enemies:
** Ben Tennyson's most well known nemesis is Vilgax, who also used to be Max's. Kevin 11 and Dr Animo were considered as such as well in the original show, but by the sequels, Kevin made a HeelFaceTurn and Animo became a relatively minor villain due to new more dangerous villains showing up. Finally, Albedo arguably counts due to being Ben's EvilCounterpart.
** Gwen Tennyson has Hex and Charmcaster (until HeelFaceTurn), both being directly linked to her connection to magic. While both of them ''did'' fight Ben, Max or Kevin, it's pretty clear their grudge toward Gwen is much more personnal.
** While Ragnarock appeared for only one episode, his link to Kevin's origin is enough to qualify as Kevin's Arch-enemy.
** AntiVillain King George from the Forever Knight has [[EldritchAbomination Diagon]];
* Perry the Platypus and Dr Doofenschmirtz from ''WesternAnimation/PhineasAndFerb'' are aknowledged to be this, though Perry likely doesn't really respect Doofenschmirtz as a nemesis. Even so, the relationship is [[FoeYay very important to both of them]], and any time it's interrupted is [[DoesThisRemindYouOfAnything treated like a romantic break-up]].
* Dr. Pretorius to ''WesternAnimation/TheMask'' in the animated series, at least for being the most recurring villain.
* Looking at the ''WesternAnimation/KimPossible'' and ''WesternAnimation/DuckTales'' examples, ''WesternAnimation/AladdinTheSeries'' had kind of the same deal with [[HarmlessVillain Abis Mal]] and [[KnightOfCerebus Mozenrath]]. Maybe it's a Disney thing...
* The Evil Emperor Zurg to the title character of ''WesternAnimation/BuzzLightyearOfStarCommand''.
* In ''WesternAnimation/ThunderCats'' and ''WesternAnimation/ThunderCats2011'' Mumm-Ra (the Ever Living) to Lion-O and the [=ThunderCats=].
* Emperor Krulos to Questar and the ''DinoRiders''.
* Mon*Star to Stargazer, Quicksilver and the ''WesternAnimation/SilverHawks''. (Funny part is that they were voiced by the same actor.)
* Heather to Gwen in ''WesternAnimation/TotalDramaIsland'', which carries over into later seasons. Also, Alejandro's official title is "The Arch Rival".
* Van Kleiss and Quarry to Rex in ''WesternAnimation/GeneratorRex''.
* ''WesternAnimation/AdventuresOfTheGalaxyRangers'' had a pretty good sized RoguesGallery for an 80's cartoon, but two out of the four definitely had archenemies. The Queen of the Crowns had Zachary as an Arch Enemy while Killbane and Shane had a long, nasty history that only got worse after most of the Supertroopers went renegade.
* The Huntsman is Jake's Arch Enemy in ''WesternAnimation/AmericanDragonJakeLong''. Interestingly, he is only #4 on the Dragons' list of the top thirteen threats to the magical world. The #1 threat, the Dark Dragon, is Jake's ''Grandpa's'' Arch Enemy.
* In ''WesternAnimation/{{Stormhawks}}'', [[TheHero Aerrow's]] Arch Enemy is ''not'' the BigBad Cyclonus; rather, it's TheDragon Dark Ace. Cyclonus is the EvilCounterpart and Arch Enemy of Piper.
* WesternAnimation/TomAndJerry.
* WesternAnimation/LooneyTunes has Bugs Bunny and Elmer Fudd, Sylvester and Tweety, and WesternAnimation/WileECoyoteAndTheRoadRunner.
* Coop and Kat on ''KidVSKat''.
* Mrs Boots is Buckley's in ''SlackerCats''.
* MickeyMouse has two arch-enemies: {{Pete}} and the Phantom Blot, the latter moreso in comic books.
* ''WesternAnimation/ScaredySquirrel'' gives us [[ButtMonkey Scaredy]], [[StupidSexyFlanders Nester]] and [[FakeUltimateHero Paddy]]
* Rudy Tabootie, Mr. Wilter and Reggie Bullnerd in ChalkZone.
* Eric Needles and Professor Pampelmoose in ''WesternAnimation/{{Sidekick}}''
* Tak, [[FatBastard Cheif]] and [[{{Gonk}} Lok]] in ''WesternAnimation/TakAndThePowerOfJuju''.
* ''WesternAnimation/StarWarsCloneWars'': The Mon Calamri often fight with the Quarren, both species are natives of the planet Dac.
* Doc Terror to the WesternAnimation/{{Centurions}}.
* Often played for laughs in ''WesternAnimation/DarkwingDuck'', where Darkwing would frequently refer as his Arch Enemy/archrival/archnemesis ''any'' villain he would have met at least twice. Even a guys whose only power was to ''have a bunch of penguins at his service to commit robberies'' was once referred as his Arch Enemy. However, from a serious point of view, at least three antagonists can be seen as his archenemies:
** [[PsychoElectro Megavolt]] initially owned the role, being both the first villain Darkwing chronogically faced (at least in his more "realistic" backstory), a personnal ennemy and one of the most recurring antagonists. He gradually lost the post to Negaduck however, to the point the recent comic sequel has him retired.
** [[EvilCounterpart Negaduck]] is mostly considered as the main Arch Enemy, due to both being an evil counterpart of the hero, the leader of the [[FiveBadBand Fearsome Five]] and the most popular vilain amongst fans.
** [[MagnificentBastard Taurus Bulba]], while having only two appearances in the animated series, was the first villain seen onscreen, as well as one of the most fearsome and competent. His link to Gazolyne makes him a personnal villain. As such, he can be considered, in a way, as an Arch-Enemy
* [[CreepyChild The Delightful Children]] and Kids Next Door but especially Numbuh 1 in ''WesternAnimation/CodenameKidsNextDoor''.
** Numbuh 1 also had Father [[spoiler:who is his EvilUncle]] and Chad aka Numbuh 274, the former leader of the KND [[spoiler:who hated him because Numbuh 1 was considered to be a better operative than him (which was eventually proven true).]] Numbuh 5 has her sister Cree, Numbuh 2, the Common Cold, and Numbuh 4, the Toilenator.
* Skysurfer One and Cybron from ''WesternAnimation/SkysurferStrikeForce''. On the one hand, Cybron is responsible for stealing a an experimental computer brain from an A.I. lab, then blowing it to kingdom come, letting Sky's father (who Cybron may have also killed) take the blame. On the other hand, Skysurfer One and the other Skysurfers routinely stop his attempts to TakeOverTheWorld.
* In the ''WesternAnimation/{{Futurama}}'' movie ''Into the Wild Green Yonder'', the Encyclopod and the Dark One. Their species have been archenemies since time immemorial: the Encyclopods wish to preserve all life and the Dark Ones want to destroy it. [[spoiler:After the last Dark One is killed, the last Encyclopod reluctantly decides to preserve its ancient enemy's genetic code. Fortunately, the last Dark One's remains are immediately wholly destroyed making this impossible so the Encyclopod doesn't have to carry its worst enemy on its back.]]
* Although ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' works on a MonsterOfTheWeek format that discourages recurring enemies, [[TheHighQueen Princess]] [[BigGood Celestia]] is only ever shown to have personal animosity towards one individual: [[GodOfEvil Discord]]. He was the first character Celestia ever actually sent the Mane Six to defeat, and [[OoCIsSeriousBusiness the first time we ever see her angry or genuinely surprised]] are when he steals the Elements of Harmony. [[ForTheEvulz He, of course, thinks this is all great fun.]] Fanon - [[FoeYay shipping]] [[DryDockedShip included]], [[SeriousBusiness of course]] - makes a big deal of this. [[spoiler:Now that Discord has pulled a HeelFaceTurn, this probably no longer applies, even if he's still a loose cannon.]]
** Trixie is sometimes depicted as this in {{Fanon}} with regards to Twilight Sparkle… when they’re not being [[{{Shipping}} shipped]], that is. (Granted, [[FoeYay the two are not mutually exclusive]].)
** Diamond Tiara and (occasionally) Silver Spoon to the Cutie Mark Crusaders (but mostly Apple Bloom). Diamond Tiara does ''not'' like Apple Bloom one bit and all of her appearances show her trying to hurt and humiliate the "blank-flank".
* The Warden of ''{{Superjail}}'' has both [[DistaffCounterpart The Mistress]] and [[CardCarryingVillain Lord Stingray]]. Although the Mistress debuted first, it's [[LampshadeHanging lampshaded that while the Warden considers her an archenemy, he barely gets to see her that often]]. The Mistress and Stingray even teamed up and attempted their own relationship in the season 3 premiere (after taking over the jail), though the relationship fell through.
* While Diesel from ''WesternAnimation/ThomasTheTankEngine'' is [[FantasticRacism antagonistic towards all of the steam engines]], he shares most of his enmity and rivalry towards Thomas in the later seasons. In his debut appearance, Diesel's original enemy was Duck.
* In almost all incarnations of the ''Franchise/TeenageMutantNinjaTurtles'' franchise, the Shredder has always been at odds with the Turtles and Splinter, and always at a deeply personal level. However, the one who arguably displays this trait strongest is the Utrom Shredder of the 2003 TMNT cartoon series. His hatred of them was ''so deep'' that it culminated into the climax of the ''WesternAnimation/TurtlesForever'' movie, where [[spoiler:he was willing to destroy the [[TheMultiverse multiverse]] to destroy all turtles, even at the cost of his own life and that of his daughter Karai, the only other living being that he honestly cares about.]]
