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[[folder: Anime ]]

* Butch, a member of ''{{Pokemon}}'''s Team Rocket, will not take happily [[AccidentalMisnaming someone butchering (no pun intended) his name.]] Some examples include Botch, Bob, Bill, Biff, Butcher, Buffy (seriously), and a variety of other names (except for [[ThisIsForEmphasisBitch the obvious one]], [[GoshDangItToHeck unsurprisingly]]). In Japanese, the mistake is always Kosanji (instead of Kosaburo).
** Yes, it's a RunningGag. Yes, there was a time someone (specifically, Cassidy) got his name right. Yes, [[CrowningMomentOfFunny he yelled at her on instinct before his brain caught up]].
*** There's also been a few instances where people call him the right name, and he corrects them on instinct... [[EpicFail and gets his own name wrong.]]
** In ''Best Wishes'', Stephan gets that way about his name, and the running gag of mispronunciation is there. However, it ends by the time the Unova League begins.
* NEVER mention Misty's bike. She refuses to let Ash live it down. This one ends when her bike is fixed
* Apparently, some time during the Hoenn arc Team Rocket got the funny idea to steal food destined for the "twerps." They soon learned that this is the very thing that turns normally Type-B {{Tsundere}} May into a bona-fide killbot. [[http://www.serebii.net/anime/pictures/shinou/544ps6.shtml They try this again during the Sinnoh arc, and yes, she is in attendance, as these pics prove]]. [[TooDumbToLive They just didn't learn...]]
** To quote: "I'll tell you '''no one''' steals MY FOOD and GETS AWAY WITH IT!!!!!"
* Ash used to get ''really'' pissed off when someone stole his hat (Indigo League series). He's [[CharacterDevelopment mellowed out about it recently]].
** Assuming it's about CharacterDevelopment and not just switching hat: the one that hit his BerserkButton was a very rare official Pokémon League Expo hat that he won by sending about a million postcards (or so he claimed).
** Ash's other berserk button is if anyone harms/kidnaps/insults Pikachu. Cases in point: Pikachu got kidnapped by Hunter J and [[http://www.filb.de/anime/eppics/dp/020/page/4 Ash gets very, VERY pissed off]], eventually starting with jumping onto a moving car, then sneaking aboard J's ship with Jessie and James (who are also going to rescue Meowth), he gets in a fight with Lucario when it insults Pikachu in ''Lucario and the Mystery of Mew'', he rescues Pikachu and takes a Poison Tail from Seviper in the back to protect Pikachu, he attacks a machine to break Pikachu out in ''Mewtwo Strikes Back'' and [[http://www.filb.de/anime/eppics/dp/003/page/3 does a similar thing]] during the third Sinnoh episode. It goes for his other Pokémon as well.
** Ash also does not take kindly to anyone who [[NobodyCallsMeChicken calls him a coward]]. One of Ash's stand-out traits is his [[FearlessFool unwavering bravery]]. The most notable instance of this button being pushed was when he was [[spoiler: under [[GrandTheftMe the possession of the King of Pokélantis]] and the Pyramid King Brandon called him a coward, instantly getting a reaction from Ash, momentarily breaking the evil king's {{brainwashing}} influence.]] It is played with in many fanfiction stories.
** He also hates it when someone insults his friends. When AlphaBitch Ursula in the Sinnoh series nastily taunts Dawn and calls her pathetic, for example, Ash is VERY quick to backsass Ursula and defend Dawn.
* If someone deliberately harms Ash, then EVERY every one of his Pokémon will pounce on you, ''hard''. The TeamRocket trio, being the ChewToy group that they are, managed to do such a thing just at the right moment that ''Charizard'' had finally learned to respect (and care for) his trainer (''Charizard Chills,'' episode 105). ''VERY OUCH'' for them.
** And just as ouch when they did it in front of his [[BroughtDownToNormal then-depowered]] Sceptile. The mon was so pissed off at them ''almost throwing Ash off their globe'' that it regained all of its power out of sheer hot-bloodness, rescued Ash and Pikachu and blasted TR like whoa.
* Another Berserk Button that doesn't come up often: Ash is a MommasBoy. Very, very much. Do not speak ill of his mom. Do not [[{{Fanon}} gawk at]] her, either. And do not try to harm and/or abduct her. Ash was ready to punch out a legendary Pokémon over this.
** Threatening or hurting his other human companions will also not turn out well for whoever does it.
* Ash doesn't take kindly to other trainers mistreating Pokémon either. Case in point: in the early episode with A.J., Ash flew off the handle when he thought A.J. was beating up Sandshrew (in truth, he actually cared for his Pokémon).
* Fall asleep while Jigglypuff's performing and it will get angry. Steal its marker/microphone or otherwise deny it the chance to perform and it will get REALLY angry.
* [[BewareTheNiceOnes Brock]] does NOT take kindly to trainers abandoning their Pokémon. Neither do Ash or Misty.
* Jessie and James will explode if someone messes up their motto.
** James also is extremely protective of his bottle cap collection. If you damage it or steal it, or even mention doing such, he will flip out.
** However, as seen in ''Mewtwo Strikes Back'', they don't mind if even one of the "twerps" (in this case, Ash) stops their motto before it begins.
* Never call Jessie "a hag" or "old". It's a good way to ensure a death wish.
** Heaven help you if you mess up or insult Jessie's hair as well. This is one of the many things that can easily set her off. Poor Seviper... she ''[[CrowningMomentOfAwesome defeated]]'' (and subsequently caught) him ''[[NoHoldsBarredBeatdown bare-handed]]'' after he accidentally tore it off!
* Ash's Infernape will give you a good fight. But seriously, ''don't'' taunt him for being weak if he's losing. Especially if you're [[BadBoss Paul]]. You're likely to trigger [[SuperMode Blaze]], and have a Crazed-[[KillItWithFire Fire]]-[[DragonBallZ Saiyan]]-[[EverythingsBetterWithMonkeys Monkey]] on your hands.
* One of the Pichu brothers, in ''Camp Pikachu,'' gets to have its own BerserkButton, complete with an anger cloud, when Sudowoodo steals the grapes.
** [[http://serebii.net/anime/pictures/houen/S9ps1.shtml Then there's this one time when the non-haired Pichu brother yells at Teddiursa for making Azumarill drop the acorns and causing the acorns to break by a moving truck.]]
* Also, in one episode, Phione realizes that Buneary likes Pikachu. Needless to say, it does '''NOT''' look pleasant. Phione has [[WingDingEyes fire in its eyes,]] and yells at Pikachu.
* Cilan gets outraged when he sees Skyla's method of 'air battles', which are just battles in her head instead of real battles.
** Also, do not try to disrupt Cilan's cooking in any way.
* Dawn cannot stand it when someone she knows doesn't remember her. One time Paul said he didn't remember her, which he probably said to piss her off, made Dawn ready to attack him. This could also double as a CrowningMomentOfFunny.
* Just try insulting Brock's or Misty's gym and see what happens.
** Misty won't stand for water type Pokémon in general getting insulted.
** Likewise insulting Norman or Petalburg Gym in front of May or Max.
* Meowth is not a pathetic Meowth and don't tell him so. The Meowth in boots in one Hoenn ep did so, and he was not pleased.
** Also, Meowth does not like his charm being lost/misplaced. It wasn't really lost in the ep where it disappeared, but he was ballistic the whole ep wanting it back. I wouldn't suggest stealing it.
** He doesn't like seeing the other Meowth get frozen by the Pokémon League test supervisor's Vaporeon in "The Ultimate Test", though he is perfectly willing to use Fury Swipes on another Meowth himself later on (made worse in the Hoenn League because the other Meowth called him 'pathetic' as mentioned above).
** Meowth also refuses to back down to Persians. Meowth-in-boots also has this trait, UpToEleven.
* Do not call Giovanni in the middle of the night/early morning. It won't turn out well.
* Misty does not like her sisters calling her a runt.
* There is also a Marill that appeared in the Pikachu Specials. But watch out! It's got a Sing attack... with one of Jigglypuff's [[BerserkButton berserk buttons]]. If anyone falls asleep, it gets mad and inflates itself. Just like Jigglypuff! And then, Marill hits the asleep victims with its tail.
* Do not hurt/bother Togepi or you will face its friends' wrath.
* Don't even ''think'' about selling Pokémon in front of Professor Oak.

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[[folder: Games ]]

* If you try to claim that Pokemon battles aren't art around Siebold, he absolutely loses it.

[[/folder]]

[[folder: Pokémon Special ]]

* [[PokemonSpecial Silver and Blue]] were raised as part of the Mask of Ice's recruitment and training campaign, and the two of them have developed a bond of their own (whether it be one of [[LikeBrotherAndSister siblings]] or [[ChildhoodFriendRomance possibly more]] doesn't really matter - that they're ''[[TrueCompanions precious]]'' to one another ''is''). Green's "noisy woman" comments about Blue are responded to with a glare from Silver as a reminder that he is ''on notice''; if you harass or bring harm to her, he will turn you inside out.
** To say nothing of the beating he gave to [[HandsomeLech Gold]] for touching her...
** For that matter, Red was furious when finding out that Team Rocket were the ones who ruined Blue's long-awaited reunion with her parents, to the point of charging recklessly towards the Beast Trio even when they had the upper hand on him.
** Don't kidnap or harm Green's grandpa or he will find you and use Porygon as a virus to destroy your circuitry, along with any of your predicted, inevitable outcomes.
* When Team Rocket starts fighting in the Viridian Forest, [[TheMedic Yellow]] gets just about ready to kick their asses; her usually weak Pokémon's levels jump up ''about fifty levels'' in response to her rage.
** Lance triggers a similar response during his attempt at [[KillAllHumans genocide]]. The moral of this little story is that Yellow is slower to anger than just about everyone else on the planet, but once she's pissed, you call your Pokémon back, you turn one-hundred-and-eighty degrees, and you never stop running while there is breath in your body.

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[[folder: Pokémon Diamond and Pearl Adventure ]]

* [[PokemonDiamondAndPearlAdventure Hareta]] has a hard time understanding the concept of evil - one of his buddies is an ex-Galactic, he lets several wrongdoers slide (though he does stop them from time to time, it's just what he does), and he even has to explain to ''Cyrus'' that he doesn't hate him for all he's done. But if you sell Pokémon in front of him...

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[[folder: Meta Examples ]]

* The long lasting feud between Zangoose and Seviper is so intense that the very sight of one another makes them feel nothing but rage, leading to an immediate battle. It's so bad that in horde battles as featured in ''VideoGame/PokemonXAndY'', if 4 Zangoose and a single Seviper are in the horde, the Zangoose would rather ''gang up to take down the Seviper before attacking your Pokémon''. This also applies when it's 4 Seviper and one Zangoose.
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