History Characters / Animorphs

9th Aug '13 1:12:31 PM randomtroper89
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* [[Characters/AnimorphsAnimorphs The Animorphs]]

to:

* [[Characters/AnimorphsAnimorphs Animorphs]]
* [[Characters/AnimorphsYeerkEmpire Yeerk Empire]]
* [[Characters/AnimorphsAndalites Andalites]]
* [[Characters/AnimorphsTheHighestPowers
The Animorphs]]Highest Powers]]
* [[Characters/AnimorphsEveryoneElse Everyone Else]]



[[foldercontrol]]

[[folder:Yeerk Empire]]

!Visser Three (Esplin 9466 the primary)
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/anvisserthree_6172.gif]]

->''He looked so much like Ax. So much like Prince Elfangor. And yet, so totally different. The difference wasn't something you saw. It was something you felt. A shadow on your soul. A darkness that blotted out the light of the sun. Evil. Destruction. His body was an Andalite. He was the only Andalite-Controller in existence. The only Yeerk ever to infest an Andalite body. The only Yeerk with the Andalite power to morph. Visser Three.''

The only Yeerk to ever infest an Andalite, Esplin 9466 Primary, in his time as Visser Three, was put in charge of operations on Earth. Though he carried out the orders of his superiors and employed the strategy of infiltration and subversion suggested by his rival Visser One, his violent and impulsive personality lent itself more brutal tactics. A long-time proponent of a strategy of open war, his efforts to be promoted to Visser One were stymied by his inability to capture or kill what he believed to be "Andalite bandits", and his growing obsession with the Animorphs paved the way for his descent into insanity and paranoia.

* ZeroPercentApprovalRating: He is universally hated and feared among his fellow Yeerks. [[AsskickingEqualsAuthority Not that he needs their approval]].
%%* AliensAreBastards: Boy is he ever!
* {{Animorphism}}: Mostly using scary giant alien monsters.
* AsskickingEqualsAuthority // AuthorityEqualsAsskicking: One of the main reasons, if not ''the'' main reason, why he's still in power.
* AxCrazy: Viciously insane, with a HairTriggerTemper.
* {{Badass}}: The Visser may be a GeneralFailure, but in straight up combat he defeats the kids every time, due to his greater experience and arsenal of alien morphs.
* BadassArmFold: He apparently favors this pose, as seen on the cover of VISSER on the right.
* BadBoss: He could well be the TropeNamer. Not only does he sarcastically mock his subordinates, but he kills them for little-to-no reason. Didn't kill the Animorphs? Decapitated. Made a mistake? Decapitated. Interrupted the Visser? Decapitated. Closed a door too slowly? Decapitated. You can't win with this guy, to the point where Yeerks pass over promotions because it means having to work with Visser Three, and therefore probably being decapi-[[KilledMidSentence SLASH- *thud*]]. {{Lampshaded}}: Jake points out that Visser Three's tendencies to kill his subordinates make them hate and fear him, making him (and them) less effective. He also says that that gives the Animorphs an advantage over him.
* BigBad: Played with in that, while he is the primary antagonist of the series and is quite high up in the Yeerk hierarchy, there are still two Vissers and the Council of Thirteen above him. [[spoiler:However, he is ultimately promoted to Visser One. And in one BadFuture, he works his way up to TheEmperor.]]
* BigDamnVillains: In ''The Mutation''.
* BiggerIsBetter: A philosophy he subscribes to wholeheartedly. Subverted in ''The Arrival'', when he finally realizes bigger is not always better and morphs a small creature to avoid being assassinated.
* BlobMonster: One of his morphs in ''The Return''. Rachel aptly describes it as 'Killer Jell-O'.
* [[spoiler:BodyguardBetrayal: Tom sells him out to the Animorphs in the hopes of seizing his Blade ship and escaping before the Andalites move in.]]
* BondOneLiner: He gets a few good ones.
* BreathWeapon: His most powerful and only recurring morph, the eight-everythinged creature seen in ''The Invasion'' and ''The Resistance'', breathes [[PlayingWithFire fireballs]] from each of its eight heads.
* TheBrute: He only knows one tactic -- Hit the enemy with everything you've got until it's dead.
* CartoonishSupervillainy: At his lowest points.
* ChameleonCamouflage: The chameleon crab morph he uses in ''The Reunion'' has this as its gimmick.
* CombatTentacles: More than a few of his morphs feature them, most notably the Lerdethak from ''The Forgotten'' and the unnamed monster he morphs in ''The Ultimate''.
* [[spoiler:CruelMercy: After he's finally beaten, he's robbed of his prized Andalite body and forced to live out the rest of his natural life in his natural Yeerk state, blind and helpless. For Visser Three, who was in love with the sense of sight, this is very fitting]].
* CurbStompBattle: Most of his fights with the Animorphs end up like this, with him clobbering them.
* {{Cyclops}}: In ''The Sickness'' he morphs a creature that's basically a giant, tentacled eyeball.
* DishingOutDirt: In ''The Visitor'' he morphs a three-legged, twenty-foot tall creature that's strong enough to rip up chunks of cement from the ground and throw them.
* DragonInChief: Sort of; he is subserviant to the Council of Thirteen, but is much more "hands-on" and thus threatening. He's also in charge of the invasion of Earth, so he is the main enemy.
* TheDreaded: Feared by Andalite and Animorph both.
* EnemyMine: Teams up with the Animorphs to escape the Helmacrons in ''The Suspicion'' and the Nartec in ''The Mutation''.
* EvilGloating: He's a master of this. Read ''The Threat'' for the most triumphant example.
* EvilIsBigger: All of his morphs are ridiculously large.
%%* EvilOverlord
* ExoticEntree: He has two morphs, the Anatarean Bogg and Vanarx, specifically devoted to being bad enough to do this to other species. In the first book, he ''devours Elfangor''.
* [[spoiler:FateWorseThanDeath: His fate is being contained in a custom made prison without a body for the rest of his life, helpless and without sight. For a power hungry monster like Visser Three who was in love with the sense of sight, this is most certainly one of these.]]
* FeatheredFiend: In ''The Decision'' he attacks Ax as a kafit bird, a BigBadassBirdOfPrey from the Andalite home world.
* GiantEnemyCrab: In ''The Reunion'' he morphs an alien chameleon crab.
* GiantFlyer: He's got two known morphs that fall under this banner: the Bievilerd from ''The Revelation'' and an unnamed monster described as something like a [[MixAndMatchCritter giant winged porcupine pterodactyl]] in ''The Underground''.
* GiantSquid: The last morph he ever uses is one of these, seen in ''The Sacrifice''. He may have used it before in ''The Mutation''.
* GeneralFailure: When it comes to the "Andalite bandits", anyway. That said, don't attack him head on, as you will die a very painful and horrific death.
* [[spoiler:GracefulLoser: ''Very'' surprisingly done at the end. He surrenders to the Animorphs without a fight and leaves his host willingly.]]
* HeroKiller: Probably the most dangerous combatant in the series, and more then lives up to this reputation.
* HollywoodAcid: Two of his morphs have been known to use it: the Kaftid he morphs in ''The Pretender'' and an unnamed morph from ''The Return'' that's described as a [[MixAndMatchCritter giant alien alligator gorilla]].
* [[spoiler:HumiliationConga]]
* TheJuggernaut: In ''The Message'' he chases the kids as a giant, untiring SeaMonster called a Mardrut. They're only saved by the fortuitous arrival of [[FanNickname magic talking]] [[SapientCetaceans whales]].
** Most of the Visser's morphs trend towards this, due to their size, overwhelming power, and general unstoppability.
* KillItWithFire: He's fond of this. In the first book he morphs a monstrous, unnamed eight-headed creature and in ''The Mutation'' he morphs the Luminar, a blazing creature that can flash-fry its enemies by [[FingerPokeOfDoom pointing a finger]]. Hasbro must have caught on to it, because the first Visser Three toy transformed into a form never seen in the books dubbed the [[ExactlyWhatitSaysOnTheTin Inferno Beast]].
* [[spoiler:KnowWhenToFoldEm: See GracefulLoser above.]]
* LargeHam / ChewingTheScenery / NoIndoorVoice: Something of a RunningGag; every time it is explained that thought-speak can be sent to one person or a few, that's when the Visser ANNOUNCES HIS PRESENCE TO EVERY PERSON IN RANGE!
* TheLeader: Type III.
* MuckMonster: He's got two known morphs like this, one seen in ''The Weakness'' and the other in ''The Hidden''.
* MultiArmedAndDangerous: The unnamed creature he morphs in ''The Threat''. All we know about it is that it is 'dark and large and has more arms than it should'.
* NamesToRunAwayFromReallyFast: Among Andalites, he is known as 'The Abomination'.
* NoOneCouldSurviveThat: The actual Yeerk Esplin 9466 has made a shtick out of surviving against impossible odds. See ''The Andalite Chronicles'', ''The Hork-Bajir Chronicles'', and ''The Alien''. [[spoiler:He also survives the war, which is no mean feat when you consider how many people want him dead.]]
* OffWithHisHead: His preferred method of execution.
* OneWingedAngel: He has a menagerie of monstrous morphs he's acquired from across the galaxy.
* ThePeterPrinciple: He was quite a competent villain in the Chronicles prequels, but it's pretty clear that trying to run a stealthy infiltration campaign really doesn't fit his skillset, making him a GeneralFailure in the main series.
* PlantAliens: His [[WhenTreesAttack Lerdethak morph]] from ''The Forgotten''.
* PrehensileHair: In ''The Suspicion'' he morphs a {{Medusa}}-like creature with scythe-tentacles for hair.
* PuppeteerParasite: Esplin 9466 himself is just another Yeerk.
* SeaMonster: In ''The Escape'' he morphs a bright yellow alien sea serpent. His Lebtin Javelin Fish from ''The Reaction'' and and Mardrut from ''The Message'' also count.
* ShootTheMessenger: All the goddamn time.
* [[SignatureMove Signature Morph]]: Averted, since he has a penchant for hauling out a new alien monster morph every book. In a way, you could say his SignatureMove is being a permanent one-man MonsterOfTheWeek.
* SpikeShooter: In ''The Reaction'' he morphs a [[SeaMonster Lebtin Javelin Fish]], a kind of manta ray that fires spears from its mouth. His [[VertebrateWithExtraLimbs Dule Fansa]] also shoots spikes from its four arms.
* TheStarscream: To Visser One. [[spoiler:He succeeds eventually]].
* StartOfDarkness: ''The Hork-Bajir Chronicles'' probably counts, since aside from Dak and Alrea's story, about a third of the novel is spent exploring his own back story.
* StrongerSibling: Labeled as such at birth, hence his 'primary' designation.
* StupidEvil: It's only most of the way through the series when he even begins to ''suspect'' that the Animorphs are human.
* TortureTechnician: In ''The Extreme'' it's revealed that he collects torture devices from around the universe.
* VertebrateWithExtraLimbs: In ''The Discovery'' he morphs a purple four-armed beast called a Dule Fansa, variously described as an 'evil Series/{{Barney|AndFriends}}' and '[[Franchise/{{Pokemon}} Hitmonchan]] with traffic-cone arms'.
* VillainDecay: Suffers from it, due to being the main villain for the entire series. Even more extreme if you read the Hork-Bajir or Andalite Chronicles, in which we see his beginnings as a ''very'' capable ManipulativeBastard, and long before his degeneration into the GeneralFailure he is now. Despite this, fighting him head-on is still not a good idea.
* VillainousBreakdown: His repeated defeats and humiliations at the hands of the Animorphs take their toll.
* VillainousRescue: Without him those kids would have been ''screwed'' by the Nartec.
* WithGreatPowerComesGreatInsanity: And how!
** It's theorized by fans that this is the direct cause behind Visser Three's incompetence in the main series - in the Chronicles books he is patient, thoughtful and manipulative, nothing at all like the GeneralFailure seen in the main series. Then he gets himself an Andalite host, becomes the most physically powerful Controller in the Empire, and it's all downhill from there.
* YouHaveFailedMe: A ''lot.'' Visser One notes that he's executed subordinates "by the poolful," which basically means thousands or more. He does this so reliably that Marco's able to bluff his way out of a situation where three flunkies were expected by saying, "I think Visser Three killed them for doing something wrong". He chastises himself for this, calling it the worse lie he's ever told, only for it to be believed.
* YouHaveOutlivedYourUsefulness: He has a form devoted to this, a Vanarx, which can suck the Yeerk out of its host and eat it.

!Visser One (Edriss-Five-Six-Two)

->''I took a human host and learned about the planet and humans, and because of that I was able to begin the invasion that you have now endangered with your criminal incompetence! ...You want to be Visser One? You want to take my title? We shall see.''

Cold and calculating, it was Edriss 562 who suggested the strategy of infiltration that defined the war for the majority of the series, after years of living amongst her enemies ([[spoiler:under the guise of Marco's mother Eva]]). Though she punished failure harshly, she also rewarded well for success, and her calm and collected tactical abilities made her a star in the eyes of the Council.

* {{Archenemy}}: To Marco, whose life's goal quickly becomes killing Visser One.
* [[spoiler:BecomingTheMask: Subverted in VISSER. However, the ending implies that despite her best efforts, she ''had'' became the mask ever so slightly.]]
* BiggerBad: [[spoiler:At first, where she represents the Council of Thirteen and acts as Visser Three's boss.]]
* BodySurf: In a sense during VISSER. Over the course of the narrative she moves through seven different hosts.
* DangerouslyGenreSavvy: So much so that the Animorphs would [[BetterTheDevilYouKnow much rather Visser Three]] be in charge of the invasion rather than her.
* DeliverUsFromEvil: Ultimately subverted.
* DontYouDarePityMe: She hides the truth about her past from her host because she'd rather have Eva's hate than her pity.
* EnemyMine: [[spoiler:She aids the Animorphs for her own ends in ''The Predator'' and allies with them against Visser Three in ''Visser''.]]
* EvenEvilHasLovedOnes: Her human children.
* EvilCannotComprehendGood: Seen at the end of VISSER. [[spoiler:She muses about finding Madra and how she'll love her when she does - and if Madra doesn't, she'll just infest her with a Yeerk and then she'll have to love her. The monologue proves that, in spite of everything she's seen and learned, Edriss doesn't understand the concept of love any more than she did before she experienced humanity.]]
* EvilMatriarch: Has [[spoiler:Marco's]] mother's body as her host.
* EvilOverlord: Definitely gives off this vibe, especially in ''The Predator'' and ''The Escape''.
* EvilVersusEvil: She is a heated rival of Visser Three.
* FakingTheDead: Faked Eva's death in order to get off planet.
* [[spoiler:FromNobodyToNightmare: Like Visser Three, she was a nobody who through a combination of skill and luck made it to the top in record time.]]
* GoingNative: [[spoiler:Played with, but ultimately subverted.]]
* HumanityIsInfectious: She and her assistant Essam were the first long-term Human-Controllers, and found the experience much more addicting than any other Yeerk host species.
* HiddenAgendaVillain: We learn early on that she's the one pushing for the steady infiltration strategy of the invasion, but we never really learn why until ''VISSER''.
* HotMom: Eva's quite attractive, though there's a hardness to her eyes that ruins it.
* HumansThroughAlienEyes: In ''VISSER'', where she narrates.
* IgnoredEpiphany: [[spoiler:She experiences humanity but turns her back on it.]]
* [[spoiler:ItDoesntMeanAnything: In VISSER, between her and Essam.]]
* TheLeader: Type I.
* [[spoiler:LoveIsAWeakness: She comes to feel this way.]]
* [[spoiler:MamaBear: She gives her children up for adoption but continues watching them from afar.]]
* MoralityPet: Darwin and Madra, her [[spoiler:children through a previous host. She made the decision to conceive them, so she considers them hers]].
* NeverFoundTheBody: In both the backstory, ''The Escape'' and ''The Reunion''
* NoOneCouldSurviveThat: In ''The Escape'' and ''The Reunion''.
* PathOfInspiration: She uses a charismatic host, Lore David Altman, to create this ideology in the form of The Sharing.
* PragmaticVillainy: Unlike Visser Three, Visser One only attempts to achieve realistic goals, and refrains from being a sadistic madwoman since it doesn't do anything for her, but make her underlings hate her.
* PsychoticSmirk: Her usual facial expression.
* PuppeteerParasite: Edriss
* ReasonableAuthorityFigure: She presents herself as this to her underlings. She harshly punishes failure, but she also rewards well underlings who fulfill her expectations.
* SecretKeeper: [[spoiler:She eventually figures out the Animorphs are human but keeps the secret out of spite for Visser Three.]]
* SocialDarwinist: Believes the strong have an inherent right to prey on the weak.
* SuperiorSpecies: Sees the Yeerks as one.
* TakeAThirdOption: In VISSER she's presented with a SadisticChoice by Visser Three. [[spoiler:She finds a way out.]]
* [[spoiler:UnexpectedSuccessor: Before VISSER, Edriss held the lowly rank of Sub-Visser Four-hundred-nine.]]
* VillainEpisode: She (and Visser Three) have a starring role in VISSER.
* VillainWithGoodPublicity: In stark contrast to [[ZeroPercentApprovalRating Visser Three]].
* YouHaveOutlivedYourUsefulness: With the odd exception of Eva, Edriss treats her hosts like paper cups - use them, then throw them away.

!Hedrick Chapman (Iniss-Two-Two-Six)

->''Sorry I skipped class, Mr. Chapman, but I've been in this lizard body, watching you because I know you're a Controller and part of a giant alien conspiracy to take over the earth.''

Assistant principal at the school attended by the Animorphs and a prominent Human-Controller, he and his wife became Controllers to protect his daughter Melissa from infestation. One of the more frequently-recurring antagonists, he has a prominent role in ''The Andalite Chronicles'' as a villain, contradicting everything about him learned up to that point.

* AssholeVictim: If you take ''The Andalite Chronicles'' as fact, it's really hard to feel sorry for Chapman in the main series.
* ButtMonkey: His later appearances in the series tended to consist of this.
* EvilTeacher: Upon finding out Chapman is a Controller, Marco jokes this is why he's so strict.
* FightingFromTheInside: He and his wife in ''The Visitor''. It's notable as the greatest act of resistance an infested human in the series ever puts up.
* HostageSituation: Twice the Animorphs make him victim of it, in ''The Conspiracy'' and ''The Answer''.
* LaserGuidedAmnesia: In ''The Andalite Chronicles'' Elfangor meets him on Earth and he remembers nothing of their encounters in space. This is revealed to be the Ellimist's doing.
* LastNameBasis: Even before he became a Controller, he preferred that people call him Chapman.
* MiddleManagementMook: As the vice principal and key leader of the Sharing, he oversees a lot of the day-to-day infiltration of the Yeerks.
* MookLieutenant: His position is important enough that Visser Three can't risk the real Chapman rebel against his host, as it might cause parents to think Chapman is mentally ill, and thus get fired.
* NoOneCouldSurviveThat: Midway through ''The Andalite Chronicles'' he falls into a frigging ''black hole''. He shows up in the third arc none the worse for wear.
* OffWithHisHead: His introduction to the series has him ordering a Hork-Bajir to decapitate the kids and bring their heads back for identification.
** Though it may or may have been intentional, this becomes a [[HilariousInHindsight nice]] [[FridgeBrilliance touch]] when later books reveal how Chapman's boss [[BadBoss Visser Three]] prefers to deal with those who've earned his ire.
* OutOfCharacterMoment: The entirety of his role in ''The Andalite Chronicles''. It's so extreme that fans have suggested the Chapman seen there is actually [[NamesTheSame a different guy with the same name]].
* PapaWolf: "If you harm my daughter I will fight you. I will fight you forever."
* PuppeteerParasite: Iniss
* RecurringCharacter: For the first third of the series, and makes a cameo in the penultimate book.
* TheQuisling: In ''The Andalite Chronicles''.
* RewardedAsATraitorDeserves: When he tries to cut a deal with the Yeerks in ''The Andalite Chronicles''.
* StarterVillain: For the first five books the Animorphs encountered him pretty regularly and then he faded into the background as more formidable threats began to make themselves known.

!Joe Bob Fenestre ([[spoiler:Esplin 9466 the lesser]])

->''My brother, my twin, is the prime. To him go the best assignments, the best hosts, the rank, the power, the glory. And to me, only what I can take. Well, that wasn't good enough. I wanted more. And if I couldn't have it as a Yeerk, I'd have it as a human.''

The billionaire owner of Web Access America and mastermind behind a web site devoted to exposing Yeerks, the Animorphs seek him out to learn if he is friend or foe. It turns out he's a Controller, but no ordinary Controller - [[spoiler:he is in fact the twin brother of Visser Three, a lowly Yeerk who amassed a personal empire by allying with his host.]]

* BigFancyHouse: And it's virtually impregnable to boot! [[spoiler:The keyword here is 'virtually'.]]
* CainAndAbel: He and his twin hate each other.
* [[spoiler:CannibalismSuperpower: He can live without the life-giving Kandrona rays Yeerks need to survive, but only by consuming another Yeerk once every three days.]]
* CorruptCorporateExecutive
* DealWithTheDevil: The real Fenestre makes one with his Yeerk to get rich.
* [[spoiler:DiabolicalMastermind: Fits most of the items on the checklist.]]
* EccentricMillionaire: He's got extraordinary defenses around his mansion to keep any animal out and his guards see him as a paranoid eccentric in the vein of Howard Hughes. [[spoiler:It turns out he's just making sure his brother doesn't come pay him a house call.]]
* EvilGenius: In contrast to his more brutish twin
* [[spoiler:EvilVersusEvil: He's wiping out a hundred or so Yeerks a year, but he's doing it to survive, not out of any heroic leanings. He's also killing the hosts.]]
* FauxAffablyEvil: He takes a page out of Visser One's book. [[spoiler:Surprising, considering who he's related to.]]
* [[{{Fiction500}} Fiction 500]]: He's identified as the second wealthiest man in the world. Net worth? 24.9 billion dollars.
* FictionalCounterpart: Of Bill Gates. Interestingly, ''The Andalite Chronicles'' hints at the real Bill Gates being around in the Animorphs verse. He's also got shades of [[spoiler:Hannibal Lecter]] to him.
* FriendOrFoe: The kids spend most of the book trying to figure out which side he is on.
* [[spoiler:ImAHumanitarian: Cannibalises fellow Yeerks in order to live without Kandrona rays.]]
* LastNameBasis: Always addressed as Fenestre
* ManOfWealthAndTaste: Dresses according to his station.
* MeaningfulName: 'Fenestre' is the Latin word for 'window'.
* NonIdleRich: He secretly runs a website that gathers humans who suspect the truth about the Yeerk invasion.
* NouveauRiche: Joe Bob Fenestre was a lowly programmer working in the bowels of a telephone company before building Web Access America.
* PuppeteerParasite: He's a Yeerk
* RagsToRiches: Fenestre's backstory, which his company plays up for the public.
* ScrewTheRulesIHaveMoney: He's able to circumvent a death sentence from the Yeerk Empire using his vast fortune.
* SelfMadeMan: Subverted - Fenestre allied with his Yeerk to transcend poverty and become what he is today.
* [[spoiler:SerialKiller: Kills Controllers so he can eat their Yeerks.]]
* TheSociopath: Esplin the Lesser is every bit as bad in this regard as his brother.
* TechnologyMarchesOn: His company, Web Access America, is a thinly-veiled take on America Online.
* VillainOfTheWeek: In ''The Warning''.

!Karen (Aftran-Nine-Four-Two)

->''You tell me what you think I should do. Andalites, humans, there's no difference: You're both smug, moralizing, superior races. You both live in beautiful worlds. You have hands and eyes and the freedom to move about wherever you like. And you hate us for wanting all those same things.''

A low-ranking Yeerk assigned to the daughter of a billionaire banker. By chance she observes Cassie leaving a battle and begins to follow her, convinced she has some connection to the Andalite bandits. Due to a series of unfortunate circumstances, they get stranded together in the woods and Aftran learns Cassie's secret, forcing Cassie to face the other side of the war head on.

* [[spoiler:{{Animorphism}}: After she's rescued by the Animorphs, they give her the morphing power. She doesn't keep it very long though.]]
* BlueAndOrangeMorality: She views infestation as just what a Yeerk has to do to gain sense and expand, and that it's no different from a human raising cattle to eat them. [[spoiler:Her mind is eventually changed.]]
* CreepyChild: In her first few appearances, before Cassie figures out what she is.
* EvenMooksHaveLovedOnes: The Hork-Bajir Controller Cassie killed at the beginning of the book turns out to be Aftran's brother.
* FirstNameBasis: Karen's last name is never revealed.
* [[spoiler:MookFaceTurn]]: Her time with Cassie and [[spoiler:witnessing her willingly becoming a caterpillar ''nothlit'' convinces her that the Animorphs are not the selfish bigots she envisioned. She subsequently voluntarily frees Karen and later founds the Yeerk Peace Movement.]]
* [[spoiler:MercyKill: Subverted. After she's rescued in ''The Sickness'', she asks Cassie to kill her so that she doesn't have to starve to death. Instead, Jake lets her become a whale ''nothlit''.]]
* [[spoiler:MyGodWhatHaveIDone]]: Two different instances.
** [[spoiler:Karen's pleas for freedom, while ignorable, were wearing Aftran down and Cassie's example was the last straw. Thus she's convinced to let Karen free, on one condition.]]
** [[spoiler:Aftran forced Cassie to become a caterpillar ''nothlit'' for Karen to be freed, but changed her mind when seeing Cassie was actually keeping her end of the bargain. She tried her hardest to warn her to demorph, but unfortunately Cassie was too small to hear her.]]
* NotSoDifferent: Invokes this many times during her debates with Cassie, saying infestation is just like humans killing to eat.
* PunchClockVillain: It's not slavery to her, it's just what she has to do to survive.
* PuppeteerParasite: Like all Yeerks.
* RecurringCharacter: Aftran appears in ''The Departure'' and ''The Sickness''.
%%* RedemptionEarnsLife
* SadisticChoice: Set Karen free at the cost of being a blind slug again, or keep her enslaved and live with her sceams in your mind?
** Aftran invokes this upon Cassie by saying [[spoiler:she'll set Karen free if Cassie is trapped in a caterpillar body. If Cassie doesn't do it, then Aftran keeps Karen's body.]]
* [[spoiler:SapientCetaceans: At the end of ''The Sickness'' she willingly becomes a humpback whale ''nothlit''.]]
%%* SecretKeeper
* [[spoiler:ShapeshifterModeLock: She becomes a whale permanently so she'll no longer have to seek Kandrona rays.]]
* SuperPersistentPredator: Throughout ''The Departure'' she is stalked by a leopard.
* TheReasonYouSuckSpeech: She gives Cassie a few in ''The Departure''.
* [[spoiler:MySpeciesDothProtestTooMuch: Founds the Yeerk Peace Movement, which allies members who refuse to take unwilling hosts. When Visser Three discovers this, he certainly isn't thrilled.]]

!John Berryman Jr. (Visser Four)

->''One doesn't want mere baboons blundering about with Time Matrices, does one? Who knows what damage a fool with such power may do?''

The commander of the Yeerk invasion of Leera, Visser Four is demoted and assigned lowly actor John Berryman as punishment after the Animorphs thwart his plans in ''The Decision''. While on Earth he finds the Time Matrix and attempts to use it to alter history in his favor. He's the main villain of ''Megamorphs #03: Elfangor's Secret''.

* BigBadWannabe: After getting the Time Matrix, his goal is to rewrite all of history to favor the Yeerks. In practice, what he achieves is decidedly less impressive. He screws up history and makes an annoyance of himself, but never really accomplishes anything. {{Lampshaded}} by the Drode, who refers to him disparagingly as a 'mere baboon' with no idea what he's doing.
* ButterflyOfDoom: [[spoiler:Meddling with history turns out to be too complicated for him. When he tries kill Einstein at Princeton University in 1934, he finds that preventing the United States from being founded resulted in him never immigrated. When he tries to warn the Nazis of the Normandy landings, he finds that the Nazis don't even exist, part of Germany is allied with France, and another German faction arrests him.]]
* ConflictKiller: Visser Four is unique in being the only threat in the series that forces Crayak and the Ellimist to agree to a truce, however temporary.
* DirtyCoward: He runs from the heroes every time he encounters them and flees his host after he's crippled.
%%* DrunkOnTheDarkSide
* EarlyBirdCameo: He's first mentioned (though not seen) in ''The Decision''.
* EvilGloating: When Rachel's shot to pieces in front of him in the Battle of Trafalgar. It doesn't stick.
* GodwinsLawOfTimeTravel: Subverted. [[spoiler:His actions accidentally caused the Nazis to never be formed.]]
* HitlersTimeTravelExemptionAct: Subverted. [[spoiler:His actions turn AdolfHitler into an insignificant jeep driver who never harmed anybody.]]
* [[spoiler:KillItWithFire: After the Yeerk crawls out of his crippled host, Marco grabs him and throws him into the wreckage of a burning tank, saying his only choices are to starve or burn.]]
* PowderTrail: He uses this to blow a hole in ''HMS Victory''.
* ThePowerOfActing: Aside from the PsychicStatic John Berryman uses it for, Visser Four uses his host's experience to more effectively disguise himself. He blends in well at Agincourt and Traflagar, but abandons disguise after that as the Animorphs already know what he looks like.
* PsychicStatic: [[spoiler:John Berryman Jr. thinks ''Theatre/HenryV'' at Visser Four so much so that the very first thing he does when he finds the Time Matrix is try to change the result of the Battle of Agincourt so that Shakespeare would never be inspired to write it.]]
* PuppeteerParasite: Visser Four.
* [[spoiler:RetGone: John Berryman Jr's final fate.]]
* TimeMachine: The Time Matrix
* VillainOfTheWeek: In ''Megamorphs #3: Elfangor's Secret''.
* VillainousFriendship: The Andalite traitor in ''The Decision'' says Visser Four and Visser Three are 'such good friends'. If that's true, Esplin's influence wasn't enough to keep him from being demoted after losing Leera.
* WhatHappenedToTheMouse: [[spoiler:When the Animorphs erase Berryman from history, Visser Four is spared - all that changes in ''his'' history is that Berryman never becomes his host and he never gets the Time Matrix. Despite this, he never appears again.]]

!Taylor (Sub-Visser Fifty-one)

->''Join me in my madness, Andalite.''

A sadistic Yeerk sub-visser responsible for capturing and torturing Tobias, Taylor is a horrific example of what happens when a host with a fractured psyche is infested by an already unstable Yeerk. Later gets the kids involved in a plot to murder Visser Three in revenge for her demotion. It [[spoiler:turns out to be a trap meant to eliminate both the Animorphs and the Yeerk Peace Faction]].

* AlternateCharacterInterpretation: In-universe. Tobias sees her as a badly, badly BrokenBird, and feels a lot of pity for her, even empathising to a degree, despite being absolutely terrified of her. Rachel, on the other hand, sees the girl as deserving to burn for her choices. The [[JerkassWoobie truth is somewhere in the middle]].
* ArchEnemy: To Tobias.
* AgonyBeam: Uses one on Tobias.
* AlphaBitch: Comes across this way in her saner moments, what with her rants about her popularity and how important it is to her.
* AmbitionIsEvil: Even more than Visser Three.
* ArmCannon: Not quite, but her prosthetic arm does fire darts and emit gasses that are capable of paralysing the target. And she may have an actual cannon or grenade launcher in there; it's [[spoiler:unclear whether she used a handheld Dracon beam or an integral weapon to destroy the natural gas pipeline]].
* ArtificialLimbs: One of Taylor's arms is a prosthetic, as is one of her legs.
* AxeCrazy: In addition to being an obvious psychopath, the former Subvisser Fifty-one suffers from rapid mood swings, and is unable to differentiate between herself and her host, frequently confusing memories and events, and speaking of the two of them as one being. She's also absorbed the real Taylor's narcissism and obsessive need to be pretty, and added rampant paranoia and anger at all the people who betrayed her. It's a horribly unstable mix- she makes [[BigBad Visser Three]], [[EldritchAbomination Crayak]], and a whole host of alien monsters look stable by comparison.
* TheBaroness: Taylor may be pretty, but she's as cold and ruthless as any Rosa Klebb type.
* BecomingTheMask: Sub-Visser Fifty-one wasn't even supposed to keep Taylor as her host originally - she was a stepping stone to infest Taylor's mother, a chief of police and the Yeerks' true target. But the sub-visser ends up falling in love with Taylor's life and palms off her mother to a lower-ranked Yeerk so she can play out Taylor's life for herself. Ultimately, this ends with the sub-visser completely unable to distinguish herself from her host. By Book #43, she's more or less regained control of herself, and now has Taylor firmly under her thumb.
* BlondesAreEvil: [[AxeCrazy Are]] [[TortureTechnician they]] [[SociopathicSoldier ever]]!
* ColdBloodedTorture: Tortures Tobias.
* DarkActionGirl: Taylor would rather [[ManipulativeBastard manipulate]] than fight; she's nowhere near the BadAss that [[BloodKnight Rachel]] can become, and maybe not even at [[TheHeart Cassie's]] [[ActionGirl level]]. But the girl can still take and dish our far more damage than you would expect her to be able to, and seems to be one of the few Yeerks who didn't get her training at the ImperialStormtrooperMarksmanshipAcademy. In Book 43 [[spoiler:she's able to take out the entire team (minus Cassie and Tobias) when she catches them by surprise, and fights a Taxxon-morphed Tobias on a fairly even basis]]. Not bad for a (relatively) normal girl.
* DealWithTheDevil: Taylor the Girl made one with the Yeerks in order to be pretty again. It involved selling out herself and her mom. Taylor the Yeerk makes another one with [[spoiler:Visser Three following her demotion from sub-visser, becoming part of his plot against the Animorphs and the Peace Faction in return for promotion]]. And the Animorphs make one with her in order to try and assassinate Visser Three.
* DespairEventHorizon: Taylor the Girl crossed it when she lost everything in the fire.
* DidYouActuallyBelieve: To Tobias in ''The Test''.
* DontYouDarePityMe: Can verge on this, when she's not using her situation to her advantage.
* DoubleConsciousness: Literally, sort of; see HumanityIsInfectious below.
* TheDragon: To Visser Three, apparently.
* EvilCounterpart:
** Tobias sees her as his. Like him, she's a damaged person from a lousy background, who became involved in the war due to alien intervention in her life. Like him, she has a lot of insecurites that prevent her from dealing with life, and Tobias frequently compares her decision to become a Controller to his own entrapment in hawk morph. Tobias, of course, is still a hero, whereas Taylor...well just look at the list of tropes she's associated with.
** Also to Rachel, since both are blonde, immaculate-looking valley girl types who are capable of extraordinary violence and are associated with Tobias.
* EvilMakesYouUgly: Taylor's still very pretty, but since the subvisser can't manage to fake humanity convincingly, it doesn't matter at all--people still react to her as though she were hideous.
* FallenPrincess: Taylor the Girl was homecoming queen, tennis champion, and the envy of her school. After the fire she was left an insecure wreck, and now she's a TortureTechnician.
* FemmeFatale: Seems like she's going for this, but is too sick to fully achieve it. At one point, Tobias meets with her in morph as her (they're pretending to be identical twins), and notices that while he's getting a lot of male attention, nobody's attracted to Taylor, because she is so obviously dead inside. It's especially noticeable because Tobias hardly ever refers to himself as human, but does say that he's a lot more human than Taylor.
* FirstNameBasis: Taylor's last name is never revealed.
* HollywoodCyborg: She was healed by advanced alien technology.
* HeelFaceTurn: [[spoiler:Taylor the Yeerk fakes one in order to bring the kids in on her plot. Taylor the Human pulls one in Book 43, temporarily taking control of her body in order to warn Tobias out of trusting her master]].
* HumanityIsInfectious: Taylor's human and Yeerk personalities seem to be closer than in most Controllers, making Yeerk!Taylor somewhat unable to differentiate herself from her host. Whether this is the cause or effect of her insanity (or both) is hard to determine.
* IAmLegion: A fairly disturbing example; the union of an unstable girl with an unstable Yeerk has left Taylor with no idea of who or what she is. She manages to keep up a façade of sanity, but as Tobias gets into her head she starts referring to herself as Yeerk and girl at once, and eventually abandons the pretense of a dual identity altogether.
--> '''Taylor:''' I waited down in the pool, not knowing what host, I'd only ever been Hork-Bajir before. I allowed myself to be infested, she opened herself to me, willingly. Until that moment, until I was lying on my stomach, my head held over the surface of the pool, she hadn't known, of course, how could she? How could I?
* InferioritySuperiorityComplex: Subvisser Fifty-one's arrogant, icy facade is used to cover up the fact that she's internalized much of Taylor's self-loathing.
* MagicPlasticSurgery: Yeerk cybernetics were used in reconstructing her arm and face.
* ManipulativeBastard: Plays mindgames with Tobias, tricks the kids into helping her plot to attack the Yeerk pool, and generally manipulates everyone's emotions for kicks and profit. She's good at it too, to the point where Tobias cannot get her out of his head.
* MoodSwinger: Taylor can shift from cold and in control to wheedling to psychotic rage in a moment.
* {{Narcissist}}: The real Taylor can come off this way, due to having her thoughts filtered through the subvisser.
* NotSoDifferent: Claims she and Tobias aren't in order to screw with his mind. On some level, he seems to believe her.
** Specifically Tobias thinks about this in her first appearance, when it becomes clear that her perception of the human-Yeerk relationship is similar to Tobias' DoubleConsciousness about being a hawk.
* PsychoForHire: Or whatever the "gainfully employed by a megalomaniacal alien empire" equivalent is.
* PuppeteerParasite: Sub-Visser Fifty-one, who's actual Yeerk name is never revealed.
* TheQuisling: Taylor sold out her species for a chance to be pretty.
* RecurringCharacter: Appears in ''The Illusion'' and ''The Test''.
* TheRevolutionWillNotBeCivilised: Subverted. She pretends to be a member of a Yeerk resistance movement in order to gain the kids' assistance in Book 43.
* RoboticTortureDevice: To which the AgonyBeam is attached.
* SanitySlippage: From the moment she's introduced in ''The Illusion'' there's a hint of something wrong about her - she refers to herself by her host name and insists others call her that as well, something ranking Yeerks almost never do. But she presents a powerful façade, and it's not until Tobias turns the tables on his interrogator that the first cracks begin to show. From that point the pretense of sanity crumbles in very short order.
* SelfMadeOrphan: Spiritually at least. Part of Taylor's deal with the Yeerks involved allowing not only her own infestation, but that of her mother as well.
* TheSociopath: Not Taylor the Girl, who is at worst a narcissist, but the Yeerk subvisser? Every bit as much as Visser Three.
* SociopathicSoldier: Even for a member of the Yeerk military she's a twisted bitch.
* StockholmSyndrome: Causes it in Tobias, who becomes uncomfortably attached to her.
* TeensAreMonsters: Taylor's somewhere in highschool, and was willing to betray the human race for a new face.
* TortureTechnician: Mentally, physically and emotionally.
* VillainOfTheWeek: [[RecurringCharacter Twice]], appearing in books #33 and #43.
* WeCanRuleTogether: Offers Tobias this deal in ''The Test''. He turns her down.
* WhyDidItHaveToBeSnakes: Tobias almost [[HeroicBSOD shuts down]] when he runs into her again in ''The Test''.

!The Inspector

->''That's where this thing belonged. In a cartoon. Where the impossible is possible.''

A candidate member for The Council of Thirteen, sent to investigate Visser Three's progress on earth. Is hosted by a Garatron, one of the Yeerk's "Newest and most capable host species." A real problem in ''The Weakness''.

* BiggerBad: Represents one: The Council of Thirteen.
* CruelAndUnusualDeath: [[spoiler: Bitten by Marco's cobra morph and left to die by the Visser. Ouch]].
* CurbStompBattle: Any physical confrontation with the Inspector's ungodly fast host tends to end this way for the heroes.
* TheDogBitesBack: He spends the whole issue mocking and humiliating Visser Three. [[spoiler: When Marco poisons him, Visser Three lets him die, and lets them escape.]]
* EvilCounterpart: His host species, the Garatron, looks suspiciously like an Andalite.
* EvilerThanThou: With Visser Three, on a political, though not physical basis.
* {{Foil}}: See MonsterOfTheAesop below. He's a nice foil for that particular aspect of Rachel's personality.
* InsistentTerminology: "You will address me as Councillor Thirteen, Visser."
* {{Jerkass}}: Consistently.
** JerkassDissonance: He's doing it to [[BigBad Visser]] [[AxeCrazy Three]] though, so really, who cares?
* KickTheSonOfABitch: He regularly mocks, taunts, threatens, and otherwise humiliates...[[ArchEnemy Visser Three]]. It's kind of fun to watch.
* LargeHam: On par with the Visser. When the two of them are together, it's like a pork convention.
* LightningBruiser: His defining physical trait.
* MonsterOfTheAesop: In a book about Rachel learning to deal with her own hubris, who should show up? A villain whose overconfidence enables his defeat.
* NoMouth: He looks like an Andalite, complete with no mouth.
* NotWorthKilling: The Animorphs. At least, not when he'd rather see them humiliate Visser Three.
* OurCentaursAreDifferent: Very similar build to Ax actually, albeit lighter.
* {{Pride}}: Even as Yeerks go, he's pretty stuck-up.
* PuppeteerParasite: He's a Yeerk.
* RequiredSecondaryPowers: Instant acceleration and deceleration.
* SmugSnake: Par for the course for most Yeerks, though The Inspector really pushes the envelope, being a sneering jackass to everyone, including Visser Three.
* SmugSuper: Jeez, a little overconfident, aren't we Inspector?
* SuperSpeed: To cartoon levels. He runs down several cheetahs with ease [[spoiler:but even he isn't faster than a cobra]]
* VillainOfTheWeek: And an extremely successful one. In the [[OneShotCharacter one book he appears in]] he nicely upstages [[BigBad Visser Three]] as the biggest threat to the cast.

!Tom Berenson (and his Yeerks)

->''I had to rein in a powerful desire to go after him. It's hard to conceive of the impotent rage you feel watching someone you love be reduced to a mindless puppet.''

The real Thomas Berenson was the eldest son of Jean and Steven Berenson, and Jake's brother. Although three years older, Tom is described as almost identical to Jake in looks, though different in temperament. Growing up, Jake and Tom were extremely close, but Tom became more distant due to his infestation (prior to Elfangor's crash). His status as a Controller caused Jake a great deal of emotional suffering, as the latter saw it as his duty to rescue him.

Though he may have been infested by several Yeerks, the reader only meets two. The first was an overly-ambitious low-level grunt (Temrash 114) who was starved to death by the group after managing to infest Jake. The second was a much more dangerous and capable enemy who rose to minor success by becoming one of Visser Three's most capable lieutenants. After Visser Three refused to promote him past the rank of chief of security (a position he achieved despite a stunning failure to notice what might be the single biggest security breach in the war for months) Tom's Yeerk became sick of taking orders from superiors he percieved to be incompetent failures, and began scheming for ways to amass greater power for himself.

* AscendedExtra: In the final five books.
* AmbitionIsEvil: Both Yeerks, though Tom's second Yeerk came a lot closer to realizing his aspirations.
%%* {{Animorphism}}
* BastardUnderstudy: Tom's second Yeerk falls under this.
* BigBrotherWorship: Jake had this for Tom, until he learned he was a Yeerk.
* BondVillainStupidity: Tom's first Yeerk had this in ''spades''. For better or worse, his second Yeerk was much more cunning.
* BoundAndGagged: Tom's first Yeerk fantasizes about seeing the Animorphs like this on the floor of Visser Three's Blade Ship. It's a disturbing little image.
* CainAndAbel: With his, or more specifically his ''host's'', brother Jake.
* DirtyCoward: [[spoiler:He sells Visser Three out to the Animorphs in the hopes of stealing his Blade ship and escaping before the Andalites show up.]]
* TheDogBitesBack: Finally lashes out at the Visser for years of abuse.
* EvilGloating: He indulges in ''The Answer'' at the expense of the Visser.
%%* IfIWantedYouDead
* InformedAbility: He claims he's acquired the morphing power for his own Yeerk body. We never really learn if this is true or not.
* KickedUpstairs: Implied to be the reason why he's promoted to security chief in spite of his stunning failure to notice one of the 'Andalite bandits' living under his own roof.
* MookPromotion: Promoted from random mook to chief of security.
* NoNameGiven: Tom's second Yeerk. Even among fellow Yeerks, he is referred to simply as Tom.
* PantheraAwesome: He's acquired a jaguar battle morph, though we never get to see it.
* PoliteVillainsRudeHeroes: Deliberately invoked in ''The Answer'':
-->'''Tom''': Oh, you're a surly bunch, aren't you? No one talks to me. No one but Rachel, who told me to... well, you can guess what Rachel told me to do.
-->'''Jake''': Whatever she said goes for all of us.
-->'''Tom''': Surly ''and'' unpleasant. Oh well.
* PuppeteerParasite: He's a Yeerk. It's what they do.
* ReliableTraitor: [[spoiler:Ironically, Visser Three [[GenreBlindness never clicks to it]] until the end. [[GenreSavvy Jake does]].]]
* ReplacementGoldfish: His original Yeerk gets killed early in the series and a new Yeerk quickly infests him.
* RewardedAsATraitorDeserves: Jake has Rachel reward Tom's Yeerk for his assistance by [[spoiler:killing him]].
%%* ScaledUp
* SmugSnake: Both of Tom's Yeerks are classic examples: arrogant, sure of their own supremacy, and incapable of believing they could be outsmarted.
* TheStarscream: Believes he is more deserving of promotion then all his fellows, and turns on the Visser when he won't give it.
* StrangeBedfellows: In ''The Answer'' it's revealed that he's allied himself with [[spoiler:Arbron]].
* TreacherousAdvisor: To Visser Three/One, especially in the last book.
* TomTheDarkLord: Played with - Tom is hardly all-powerful, but he's more or less the final series antagonist and we never learn his Yeerk's name.
[[/folder]]

[[folder:Andalites]]

!Prince Elfangor-Sirinial-Shamtul
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/anelfangor_6039.gif]]

An Andalite general, military genius and war hero, Elfangor was made a household name for his contributions to the Andalite-Yeerk war effort. Though this was not generally known amongst his own people, he spent a great deal of time on Earth permanently morphed as a human: a sort of self-imposed exile after a miscalculation led to the infestation of his superior officer, Alloran. His longstanding and well-known subsequent rivalry with Visser Three ended with his death at the hands of the latter after a battle in Earth's orbit, though not before he was able to give the morphing power to Jake and his friends.

* AlwaysSomeoneBetter: From Ax's perspective.
* AloofBigBrother: Wasn't around for much of Ax's childhood, as he was making a name for himself in the war.
* {{Animorphism}}: He has morphing power, but didn't use it as often as the Animorphs. This inexperience with it may have been what allowed his death, as the more experienced Animorphs frequently healed from worse injuries than his.
* BackFromTheDead: [[spoiler:Subverted twice. In an alternate Yeerk-controlled future, Jake is surprised to re-meet Elfangor, but it turns out to be Tobias as a ''nothlit'' in Ax's decade-older body. The second time, during Tobias' torture by Taylor, he hears Elfangor's voice in his head and starts seeing his memories somehow passed down genetically.]]
* BeenThereShapedHistory: In the third half of ''The Andalite Chronicles'' he mentions giving some programming tips to his human friends [[Film/PiratesOfSiliconValley Bill and Steve]].
* BewareMyStingerTail: Standard for Andalites.
* BrokenPedestal: Elfangor's reputation precedes him, even after death, and it's initially believed by everyone that Elfangor was the perfect warrior and, from Jake's perspective, the perfect leader, someone to emulate. It becomes apparent, though, that his reputation is the result of misplaced idolization and Andalite propaganda, and that, like the kids, he made mistakes while doing the best he could. He was however an exceptional {{Badass}} and a War Hero, Visser One later states that no other singular Andalite hurt the Yeerks as much as he did. His name has practically become a curse word to the Yeerks.
* CruelAndUnusualDeath[=/=][[spoiler:EatenAlive]]: Visser Three doesn't just kill him, but [[spoiler:morphs into an Antarean Bogg and ''eats him'''.]]
* GoingNative: With humans in ''The Andalite Chronicles''.
* HeroicSacrifice: Gave up his human life to return to his people and save them from a Yeerk ambush.
%%* HonorBeforeReason: In ''The Andalite Chronicles''.
* HumansThroughAlienEyes: In the ''Andalite Chronicles''.
* IAmDyingPleaseTakeMyMacguffin: He starts off the series by handing the morphing cube to the kids.
* InterspeciesRomance: With Loren in the backstory.
* LukeIAmYourFather: [[spoiler:Tobias]] is actually his son.
* NiceJobBreakingItHero: Accidentally helped the then Subvisser Seven hijack Alloran's body.
* NamesToRunAwayFromReallyFast: The Yeerks come to know him as 'Beast Elfangor'.
* NoMouth: As is standard for his species.
* OurCentaursAreDifferent
* PostHumousCharacter: His actions created the Animorphs, motivated his younger brother, and served as a light to the Andalites and threat to the Yeerks even after his death.
%%* PursuedProtagonist
* ShapeshifterModeLock: Eventually [[AWizardDidIt reversed by the Ellimist]].
* SueDonym: While on Earth, he takes the name of Alan Fangor.
* SuperEmpowering: He gave the Animorphs their powers.
* TelepathicSpacemen: Having no mouth, he has to do this.
* TakeUpMySword: Asks the kids to.
* WarriorPrince: ''Literally''. In Andalite culture, 'Prince' is a military rank and not a title.
* WideEyedIdealist: At the beginning of ''The Andalite Chronicles''.
* WorthyOpponent: It's revealed in ''The Pretender'' that Visser Three eventually came to regard him this way.

!Arbron

->''''Aristh''...I mean, ''Warrior'' Arbron is a casualty of war.''

One of Elfangor's fellow cadets from his days with Alloran. Gets trapped in Taxxon morph partway through ''The Andalite Chronicles''.

* AndIMustScream: Trapped in Taxxon morph.
* {{Animorphism}}: It doesn't end well for him.
* BackForTheFinale: First appears in ''The Andalite Chronicles'' (which is set before the series and was released early on in the series), then reappears in the second-to-last book, ''The Answer''.
%%* BewareMyStingerTail
* BigCreepyCrawlies: Trapped in Taxxon morph.
* DarkIsNotEvil: A pretty striking example. He's trapped as a giant, cannibalistic centipede. He's one of the good guys.
* DeadpanSnarker: A rarity among the Andalites.
* ExtremeOmnivore: Taxxons can eat and digest pretty much anything.
* FireForgedFriends: With Elfangor.
* FirstNameBasis: Arbron is the only Andalite character whose full name is never revealed.
* {{Foil}}: To Elfangor; he'll crack jokes and is pretty easy-going, in contrast to Elfangor's more serious nature.
* GoingNative: Although he retains his sense of morality.
* HiveMind: He joins forces with the Living Hive, a kind of Taxxon queen.
* HorrorHunger: When in Taxxon morph.
* LaResistance: Joins, of all things, the Taxxon resistance in order to get back at the Yeerks.
* NoMouth: Not until he gets trapped in Taxxon morph.
* NoOneGetsLeftBehind: Elfangor tries desperately to get him to come along with he and Alloran when they leave the Taxxon planet. Arbron refuses.
%%* OurCentaursAreDifferent
* PetTheDog: [[GeneralRipper Alloran]]'s promotion of him is pretty touching.
* ShapeshifterModeLock: Trapped as a Taxxon. [[spoiler:Even after the good Taxxons on Earth become anaconda ''nothlits'', there's no hope for him to join them because he already ''is'' a ''nothlit''.]]
* StrangeBedfellows: In ''The Answer'' he returns, having allied himself with [[spoiler:Tom]] of all people.
%%* TelepathicSpacemen
* UnexpectedCharacter: Let's face, no one was really expecting him to return in the finale the way he did.

!War-Prince Alloran-Semitur-Corass
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/anvisserthree_6172.gif]]

->''I will forever be Alloran, Butcher of the Hork-Bajir. Alloran, the only Andalite to ever be taken alive by Yeerks. But disgraced, even despised, for whatever I am worth, I am yours to command.''

Visser Three's host, and formerly Elfangor's commanding officer. Perhaps the best example of the ruthless mentality of the Andalite military, Alloran was infamous even before becoming the only Andalite to ever be taken by a Yeerk. Shunned and hated by even his own people, he becomes more humble and pacifistic during his time as Visser Three's slave.

* TheAtoner: After he's freed, the sheer melancholy as he flatly states that he'll have to live with what he's done and being forever known as the only Andalite ever taken as a Controller makes it very likely he'll become one of these.
* {{Animorphism}}: Alloran has a whole host of horrific morphs at his command thanks to the Visser.
* BewareMyStingerTail: He's an Andalite. Comes with the territory.
* CynicalMentor: To Elfangor and Arbron in ''The Andalite Chronicles''.
* DeathSeeker: In ''The Alien'' he begs Ax to kill him.
* DestructiveSavior: Aldrea [[{{Lampshaded}} lampshades]] it. "Will you save the Hork-Bajir by destroying them?"
* FateWorseThanDeath: He's a Controller. Even worse, he's got Visser Three controlling him, one of the most evil Yeerks of them all.
* GeneralRipper: In ''The Hork-Bajir Chronicles''. He tried to wipe out the Hork-Bajir once he realized they couldn't be saved from the Yeerks.
* HeelFaceTurn: When [[spoiler:the Andalites threaten to destroy Earth in order to contain the Yeerks, and Ax is told he is too low-ranking to challenge the officer's decision, the recently freed Alloran takes up the challenge for him. The Andalite officers promptly reconsider, thus sparing earth.]] Not bad for an ex-GeneralRipper.
* ICallItVera: He calls his beautifully-designed personal ship the ''Jahar,'' [[CrowningMomentOfHeartwarming after his wife]].
* ICannotSelfTerminate: See DeathSeeker above.
* MotiveRant: He gives Elfangor one in ''The Andalite Chronicles''.
* NoMouth: As is standard for his species
* OneManArmy: He still has [[OneWingedAngel all of the morphs]] he acquired while infested by Visser Three. You want to throw down with him? Be our guest.
* OurCentaursAreDifferent: Four hooved legs, scorpion tail, thin upper body, four eyed face, no mouth.
* PetTheDog: With Arbron and Loren at various points.
* ProudWarriorRaceGuy: Though he's more vicious about it then many.
* SyntheticPlague: In ''The Hork-Bajir Chronicles'' this is his secret weapon.
* TelepathicSpacemen: Having no mouth he has to be.
* UsedToBeASweetKid: No, really. From the short description he sounded almost like Arbron or Marco.
* WarriorPrince: ''Literally''. In Andalite culture, 'Prince' is a military rank and not a title.
* WellIntentionedExtremist: Thought that exterminating the Hork-Bajir was the only way to save the galaxy from the Yeerks. The worst part is, he might have been right.

!Prince Seerow

An Andalite Prince who led expeditions to other planets. Once a highly revered leader, he became forever known as a fool after [[spoiler:he gave space faring technology to the newly discovered Yeerks]]. His disastrous actions led to the Andalite Navy passing the law of ''Seerow's Kindness''.

* TheFarmerAndTheViper: [[spoiler:In hindsight, giving advanced weapons and ships to a species that parasitically takes over hosts wasn't all that great an idea.]]
* GoneHorriblyWrong: All he wanted was for all species to travel through the stars together. [[spoiler:Instead he unwittingly unleashed the parasitic Yeerks upon the galaxy.]]
* NiceJobBreakingItHero: And as a result, he became known as the shame of the Andalite people.
* PostHumousCharacter: His actions kicked off almost all the plot, and the law bearing his name becomes increasingly relevant in regards to the Animorphs, who were illegally given their powers.
* PrimeDirective: The Law of Seerow's Kindness states no Andalite should give their advanced technology to less advanced species. [[spoiler:Because that went horribly wrong when tech was given to the Yeerks.]]
* YourApprovalFillsMeWithShame: [[spoiler:The Yeerks consider him "the one good Andalite".]]

!Aldrea-Iskillion-Falan

->''No, I won't help you to understand. But I will help you kill Yeerks. That, I will do. I will help you kill them. And kill them. And kill them! And kill them all!''

The daughter of the infamous Prince Seerow and heroine of ''the Hork-Bajir Chronicles''. She makes a guest reappearance in ''The Prophecy''.

%%* ActionGirl
%%* {{Animorphism}}
* BackFromTheDead: In ''The Prophecy''.
* BreakTheCutie: In the first fifty pages of ''The Hork-Bajir Chronicles'' she loses her pride, her home, and her entire family.
* BrattyTeenageDaughter: At first.
* BewareMyStingerTail: Subverted - Andalite females have shorter, blunter tail blades than Andalite males.
* DeadManWriting: During ''The Prophecy'', when she occasionally narrates [[spoiler:from Cassie's body.]]
* EmbarrassingNickname: Her peers on the Andalite world nickname her 'Seerow's Unkindness'.
* EntitledBitch: She comes across like this in her treatment of [[RebelLeader Dak Hamee]].
* ExtraordinarilyEmpoweredGirl: She's a morpher at the time when the morphing technology was still brand new.
* GoingNative: A major theme of ''The Hork-Bajir Chronicles''. During ''The Prophecy'' she demands to be referred to as a Hork-Bajir.
* GuestStarPartyMember: In ''The Prophecy''.
* IdentityImpersonator: She acquires and impersonates Alloran to get access to his database.
%%* NoMouth
%%* OurCentaursAreDifferent
%%* RevengeBeforeReason
%%* RoaringRampageOfRevenge
* ShapeshifterModeLock: At the end of ''The Hork-Bajir Chronicles'' she willingly allows herself to be trapped in Hork-Bajir morph.
* SharingABody: With Cassie in ''The Prophecy''.
%%* TelepathicSpacemen

!Estrid-Corill-Darrath

->''Estrid, you are beautiful, you are brilliant. But I really do not think I like you very much.''

A young Andalite prodigy and member of Unit 0, Estrid is presented as one of the first female ''arisths''. She is assigned to the unit by Arbat and maintains a close relationship with him. In truth she is his student, the mastermind behind a deadly new weapon. She briefly serves as Ax's love interest.

* TheAce: [[DeconstructedTrope Deconstructed]] - Estrid has many of the traits of a classical MarySue, being a brilliant and beautiful prodigy who's also an expert tail fighter and one of the only two ''estreen'' in the series. She is presented as one of the first female ''arisths'' in a culture where women are typically shoehorned into supporting roles and does basically whatever she pleases. Yet in spite of all this, the book slowly reveals her gaping character flaws - she's impulsive, undisciplined, self-centered and arrogant, with many of the same traits Ax had when he first joined the Animorphs. This is reflected in Ax's view of her - while he is initially smitten by her beauty, as he comes to know her his passion cools, and in the Yeerk Pool he ultimately rejects her altogether. This is a huge turning point in his character and it wouldn't be possible without Estrid there to personify his former values.
%%* {{Animorphism}}
* BadassFamily: Presented to explain her more blatant MarySue traits. Her mother is a 'morph dancer' and her brother is Ajaht-Litsom-Esth, the highest scoring exhibition tail fighter on the Andalite planet.
%%* BewareMyStingerTail
* BodyHorror: Subverted - Estrid is an ''estreen'' like Cassie, except [[UpToEleven even more skilled]]. She is the only morphing character seen to morph real clothes rather than just spandex.
%%* ChildProdigy
%%* CommonMarySueTraits
* FeetOfClay: When she goes to the Yeerk Pool she quickly loses her composure and panics. This leads to the above quote from Ax.
* GeniusSweetTooth: She's as much of a BigEater as Ax.
* [[spoiler:HeelRealization: After Arbat reveals his plan, she has a change of heart and helps the Animorphs stop him.]]
%%* ImpossibleGenius
* IntelligenceEqualsIsolation: Her backstory, as briefly explained to Ax.
* [[MadScientistsBeautifulDaughter Mad Scientist's Beautiful Niece]]: At one point Ax believes her to be this to Arbat.
%%* NoMouth
* NotSoAboveItAll: She scorns the Animorphs for their (staged) breakdown, but when she has to go to to the Yeerk Pool she freaks out.
* OneShotCharacter: Appears only in ''The Arrival''.
%%* OurCentaursAreDifferent
%%* [[spoiler:RedemptionEarnsLife]]
%%* TheSquadette
* SyntheticPlague: She more or less accidentally creates Quantum Virus 2.0.
%%* TelepathicSpacemen
%%* [[spoiler:WellIntentionedExtremist]]

!Commander Gonrod-Isfall-Sonilli

->''I command here. Am I clear on that?''

The commander of the Andalite task force Unit 0, Gonrod is a counterpoint to the usual Andalite officer - while full of bluster and arrogance, he doesn't have a lot of competence to back it up. He's eventually revealed to be little more than an UnwittingPawn of his [[TheManBehindTheMan ostensible subordinate]] Arbat, recruited to serve as an [[WeHaveReserves expendable]] [[AcePilot pilot]].

* AcePilot: And how! Even Ax is forced to note that for all his failings as a commander, Gonrod is a truly excellent pilot.
* ATeamFiring: In contrast to the sharpshooters Aloth and Arbat, Gonrod is a mediocre marksman at best. The one time he's seen with a [[RayGun shredder]], he's firing wildly into a crowd of Hork-Bajir.
%%* BewareMyStingerTail
* BoxedCrook: He was serving a sentence in military prison for cowardice under fire. Taking this mission meant clearing his record.
%%* DecoyLeader
* DirtyCoward: He lies somewhere between this and LovableCoward. While clearly not a sympathetic character, Gonrod is far from a monster.
* MisfitMobilizationMoment: When he's relieved of command and confined to quarters by Arbat, Tobias finds him and talks him into flying their ship into the Yeerk Pool. It's without a doubt Gonrod's CrowningMomentOfAwesome.
* TheNeidermeyer: At first.
* NervousWreck: Ax notes that Gonrod is 'extraordinarily ill at ease for a commander'. It's the first real hint that he's not the one calling the shots.
%%* NoMouth
* OneShotCharacter: Appears only in ''The Arrival''.
%%* PaperTiger
%%* [[spoiler:RedemptionEarnsLife]]
%%* OurCentaursAreDifferent
* TearsOfFear: The idea of attacking the Yeerk pool scares him so much his thought-speech is described as 'tearful'.
%%* TelepathicSpacemen

!Aloth-Attamil-Gahar

->''You want to know the secrets? You want to know who we are? I will tell you, little Aximili.''

An Andalite sniper and member of Unit 0. As the team's sharpshooter, Aloth is tasked with the assassination of Visser Three. Jaded and cynical, Aloth wears his grim position as an assassin lightly. Like Gonrod, he is an UnwittingPawn of Arbat, recruited to be little more than [[WeHaveReserves expendable]] [[CannonFodder muscle]]

* BadassNormal: There is no indication that Aloth has the ability to morph. It doesn't stop him from being incredibly effective.
%%* BewareMyStingerTail
* BoxedCrook: He was serving a life sentence in military prison for [[OrganTheft selling the organs]] of his fallen comrades.
* TheBrute: A curious example - while Aloth's experienced and definitely intelligent, his main role on the team is sheer muscle, and Ax even refers to him once as 'a thug'.
* ColdSniper: He lies somewhere between this and FriendlySniper. While definitely ruthless, Aloth is largely open and amicable to his teammates.
%%* CombatPragmatist
* DeadpanSnarker: He gets quite a few choice lines. The guy's almost like an Andalite Marco.
%%* TheGunslinger
* HiddenDepths: Despite being considered little more than dumb muscle, Aloth has a few moments of surprising insight, and while his opinion of the Andalite military is jaded, his observations are pretty much spot-on.
* ImprobableAimingSkills: Estrid notes that Aloth is a top sniper who scored the highest target impact rate in the history of the academy.
%%* JadedWashout
%%* LockAndLoadMontage
%%* NoMouth
* OneShotCharacter: Appears only in ''The Arrival''.
* OrganTheft: While on the front lines, Aloth harvested the organs of his fallen comrades and sold them on the black market.
%%* OurCentaursAreDifferent
* [[spoiler:PrettyLittleHeadshots: When he is killed, he's shot 'cleanly through the head'. Justified, since shredders are [[RayGun ray guns]].]]
* ProfessionalKiller: Played with - he's the designated assassin of Visser Three, but he was never meant to succeed in his mission.
* TheQuietOne: He present this façade to outsiders, but around comrades he shows his true colors as a DeadpanSnarker.
%%* SociopathicSoldier
%%* TelepathicSpacemen
* WhyDontYouJustShootHim: Magnificently averted. He is one of the few characters to try just shooting Visser Three - and if not for Arbat's sabotage, he'd have succeeded too.

!Intelligence Advisor Arbat-Elivat-Estoni

->''The people must be led by the few who are willing to make the very hard choices. The people are happy in their ignorance. But we in the Apex Level cannot allow ourselves to be sentimental.''

An Apex Level Intelligence Advisor and the biological brother of Alloran-Semitur-Corass. Veteran of over twenty conflicts, Arbat is assigned to the Andalite task force Unit 0, ostensibly tasked with the assassination of Visser Three. The true mission of Unit 0, known only to Arbat himself, is to unleash a deadly new biological weapon against the Yeerks. He appears only in ''The Arrival''.

* {{Animorphism}}: Though he mostly uses it to become human.
* [[{{AntiVillain}} Anti-Villain]]: His goal could potentially save Earth...
* BadassBookworm: It turns out he was a professor, not a warrior.
%%* BewareMyStingerTail
%%* ChekhovsGunman
%%* BrokenPedestal: To Estrid.
* CainAndAbel: Him and Alloran. He's the Abel, Alloran's the Cain.
* CruelAndUnusualDeath. [[LeftHanging Maybe]].
* [[spoiler:EatenAlive: By Taxxons.]]
%%* TheChessmaster
* ImprobableAimingSkills: Not as much as Aloth, but Arbat is still an excellent shot. [[spoiler:When he wants to be.]]
* LeftHanging: He's last seen LeftForDead by the heroes, wounded and facing an army of Taxxons.
* KnightTemplar: Possibly as a result of his brother's enslavement.
* TheLeader: Type I, though he [[TheManBehindTheMan uses Gonrod as a decoy leader]].
* TheManBehindTheMan: Of Unit 0.
* MinoredInAsskicking: Despite being an aging professor, Arbat is a sharpshooter with the morphing power, putting him on par with the Animorphs.
* MotiveRant: He gives one to Ax after his scheme's uncovered. It's notable for making the normally-unflappable Ax want to tail whip him.
%%* NoMouth
* NotSoDifferent: Him and Alloran.
%%* OurCentaursAreDifferent
%%* TheProfessor
%%* RenaissanceMan
* TheStrategist: Apex Level Intelligence is the highest level of advisory to the Andalite War Council. They plot. They plan. And they know everything.
%%* TheStoic
* SyntheticPlague: He plans to wipe out the Yeerks using one. [[NotSoDifferent Sound familiar]]?
%%* TelepathicSpacemen
* WellIntentionedExtremist: His plan is almost sure to cripple the Yeerks, but may doom humanity as well.
%%* UtopiaJustifiesTheMeans
* VillainOfTheWeek: And an extremely successful one. In the [[OneShotCharacter one book he appears in]] he nicely upstages [[BigBad Visser Three]] as the biggest threat to the cast.
[[/folder]]

[[folder:The Higher Powers]]
!The Ellimist

[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/anellimist_1531.gif]]
[[caption-width-right:325: Yes, that's right! [[ComicallyMissingThePoint The Ellimist has been that little icon telling us to watch the TV series the entire time!]]]]

->''We watched the rise of other species throughout the galaxy. Helped at times, when we could. We wanted companions. We wanted to learn. We imagined a galaxy filled with millions of sentient species, each with its own science and art, its own beauty.''

An AllPowerfulBystander introduced in the seventh book, the Ellimist is a being so powerful he can directly manipulate the fabric of spacetime, rewrite history, travel through time, and cross between dimensions. He ultimately wants the Animorphs to prevail and save Earth, but he is bound by the rules of the nebulous [[CosmicChessGame Game]], which prevents him from offering direct assistance unless it's in a DealWithTheDevil.

* AllPowerfulBystander: Not technically all powerful, but so close as to make little difference from human perspectives.
* [[spoiler:AscendedFanboy: In-universe, as a mortal he was of a race called the Ketrans and enjoyed playing complex simulation games where he helped lesser races grow by indirect assistance. Now that he's powerful enough, he's doing the exact same thing for real.]]
* AscendedToAHigherPlaneOfExistence: [[spoiler:He became the Ellimist when his bio-mechanical body of a small fleet of spaceships was drawn into a black hole, thereby causing him to exist in multiple dimensions at once.]]
* BalanceOfGoodAndEvil: {{Justified}}; if he oversteps the boundaries too much then his EvilCounterpart will strike back.
* BigGood: The most powerful known being in the universe - second if you count the one who exiled Crayak - and dedicated to spreading and preserving sentient life.
* TheChessmaster: [[spoiler:It turns out that he was behind these six kids becoming Animorphs]].
* CompleteImmortality: At least unless the entire universe were destroyed too.
* CosmicEntity: Lives within/beyond the normal bounds of space-time.
* [[spoiler:EveryoneCallsHimBarkeep: His real name is "Toomin;" "Ellimist" was basically his screen name when he was a Ketran gamer.]]
* AFormYouAreComfortableWith: Usually he appears as an AmbiguouslyHuman old man; once he appeared as a geeky girl from their school.
* IAmLegion: Throughout most of his appearances he refers to himself in the plural, making it unclear if he is a singular entity or part of a collective, or even a race of creatures like him. [[spoiler:It is eventually revealed he is a singular individual who absorbed millions of minds in a freak incident, explaining his predilection for referring to himself in the plural]]
* [[spoiler:LastOfHisKind: He is the last surviving member of the Ketran race. By the time the series proper begins, he is the last Ketran only in mind, as his original Ketran body was destroyed in a black hole when he ascended.]]
* LeaveYourQuestTest: He gives one to the Animorphs in ''The Stranger''.
* LittleMissAlmighty: One of the forms he appeared before the group in.
* LivingShip: During his Third Life.
* LoopholeAbuse: He's forbidden to interfere directly except when he makes a deal with Crayak, but gets around it by sneakily arranging for them to realize things on their own that they wouldn't have without him. This is actually the defining trait of him in his first appearance, where he shows the Animorphs a vision of a BadFuture, and a background event clues them in to the location of the Yeerk Kandrona in the present.
%%* ManipulativeBastard
* MillionToOneChance: [[spoiler:His evolution from Ketran gamer to demigod is due to a series of freak accidents, each more improbable than the last.]]
* MysteriousBacker: He tries to help the heroes, but he is either too roundabout in his methods to really gain their trust or too caught up in his game with Crayak to help at all.
** [[spoiler:The last ''Megamorphs'' heavily implies that the team basically exists because he arranged things from behind the scene, including the {{Contrived Coincidence}}s of getting members who were already unknowingly connected to the conflict in some way.]]
* PointyEars: In his favored form.
* RealityWarper: He can pretty much do anything.
* RecurringCharacter: He appears in a handful of books, but his influence is felt in many more.
* SufficientlyAdvancedAliens: At one point Rachel comments he's advanced to humans in the sense that humans are more advanced than cows. He would probably argue that it's not quite that extreme, though.
* TimeStandsStill: His general m.o. if he wants to talk with you.
* WhatIfGodWasOneOfUs: In the ''Ellimist Chronicles'' he places part of his essence into the body of an Andalite and lives among early Andalites in order to reconnect with his sense of mortality.
* YouCanNotGraspTheTrueForm: Though he arguably doesn't have one anymore.

!Crayak

->''I will cleanse this galaxy of all life. Then, when no sentient thing is left alive, I will kill you, Ellimist. That's my game. Shall we play?''

Foreshadowed early on, the Crayak remains a mystery until halfway through the series, when the Ellimist reveals his story. A being of power equal to the Ellimist but with very different goals, the Crayak is a malevolent being chased from his home galaxy by the one power in the universe that can defeat him. He seeks extinction on a galactic scale, and eventually the ability to control all of space-time as his own.

* AllPowerfulBystander: Like the Ellimist, he is not truly all powerful, but he is so close it makes little difference from a human perspective.
* BadBoss: Towards the Drode. Though he serves loyally, Crayak is fully prepared to let Rachel annihilate him if it means securing her loyalty.
* BiggerBad: The war against the Yeerks, it's just a move in his game.
%%* TheChessmaster
* ChekhovsGunman: He first appears as a bizarre, ominous hallucination when the Yeerk in Jake's head dies. It turns out that briefly seeing past life and death allowed Jake to glimpse Crayak.
%%* CompleteImmortality
* TheCorrupter: He plays this role to Rachel, tempting her with godlike power in exchange for murdering Jake.
* CosmicHorror: Even without being an OmnicidalManiac, he looks pretty terrifying.
* [[spoiler:CreateYourOwnVillain: The Ellimist ascended into his godlike state before Crayak did and had a chance to destroy him before he also achieved semi-omnipotence. He didn't.]]
* {{Cyclops}}: Even before ascending, Crayak's original form was a monstrous, one-eyed creature.
** EldritchAbomination
* EvilCounterpart: To the Ellimist.
* EvilGloating: The Drode's first appearance in ''The Exposed'' was half following the rules of the Game and giving the Animorphs one hint to keep things fair. The other half was Crayak indulging in this, by proxy.
* EvilIsPetty: After ''The Attack'' he spends most of his time coming up with ways to punish Jake for what he did to the Howlers.
* EvilSoundsDeep: If you're unfortunate enough to meet him in person, his voice feels like being shaken apart at the atomic level.
%%* FacelessEye
* ForTheEvulz: He massacres entire species and enjoys the suffering and torment of others... because hey, it's something to do. When he and the Ellimist first acquire their near-omnipotent powers, the Ellimist suggests that since they're incapable of killing each other now and can just undo any damage the other does to the galaxy, they could call a truce and just watch the advance of evolution. Crayak refuses because he finds the idea boring.
* GiantEyeOfDoom: His AscendedFanon FanNickname is "the Big Red Eye."
* GodOfEvil: He comes across as this, especially since unlike the Ellimist his backstory is never revealed. Additionally, the author admitted to modeling him after personifications of 'pure evil' such as Sauron from LordOfTheRings.
* ILied: To [[spoiler:David]]. He promises him revenge against Rachel, but merely uses him as a tool against her.
* LeaveYourQuestTest: Playing up his role as the Ellimist's EvilCounterpart, Crayak extends Jake an offer to alter history so he never met Elfangor. [[spoiler:Jake accepts this offer, and it's the basis for ''Megamorphs #04''.]]
* LivingShip: He first appears to the Ellimist as this.
* NoIndoorVoice: Similar to Visser Three, he communicates with a form of thought-speech. Jake describes it as sounding like he's screaming at the top of his lungs.
* OmnicidalManiac: "I play the game of ''genocide''..."
* RealityWarper: For example, he rewrote history in the last Megamorphs book.
* RecurringCharacter: Though his presence is often felt, the Crayak himself only personally appears in ''The Attack'' and ''The Return''.
* TheSocialDarwinist: His goal is to pit race against race, the winner growing stronger with each engagement, until only one species is left, which will then revere him as a god.
* SomeoneHasToDie: He agrees to help the Animorphs follow Visser Four through time in ''Megamorphs #03''. In return, he demands that one of their number must die. [[spoiler:Jake ends up biting the bullet. Thanks to some time-travel loophole abuse, it doesn't stick.]]
%%* SoreLoser
* SufficientlyAdvancedAliens: He had super-advanced technology even before ascending to near-godhood.
* TalkingInYourDreams: He appears to both Jake and Rachel in dreams.

!The Drode

->''Yes, yes, oh yes. Mustn't upset the balance. Not directly, anyway. But! Create problems? Yes. Create opportunities? Yes. Play the wild card? Of course.''

An alien being who resembles a humanoid dinosaur, he serves Crayak and acts as his representative. He has incredible powers, presumably a gift from his master. The series' weirdest points are usually his doing.

* BreakingSpeech: His first appearance in ''The Exposed'' has him pop out of nowhere and snarkily pick the Animorphs apart one by one.
* DealWithTheDevil: [[spoiler:Implied, but not confirmed. See LastOfHisKind below.]]
* TheDragon: To Crayak.
* EverythingsBetterWithDinosaurs: Decidedly averted. He's basically an evil space dinosaur.
* EvilHasABadSenseOfHumor: He likes to joke, but...
* FromASingleCell: He can regenerate, possibly from any wound. [[spoiler:Rachel rips his head off in ''The Return'' to no effect.]]
%%* GigglingVillain
* InLoveWithYourCarnage: Enjoys Rachel's penchant for violence.
* LastOfHisKind: [[spoiler:It's implied that he sold out his entire species so he could become Crayak's right hand man.]]
* LoopholeAbuse: Like his master, he is bound by the rules of The Game. That doesn't stop him from bending the rules to achieve the outcome he desires.
%%* ManipulativeBastard
* {{Outgambitted}}: [[spoiler:In his first appearance thanks to the timely intervention of Erek.]]
* RealityWarper: Shares this power with Crayak.
* RecurringCharacter: He appears in ''The Exposed'', the last two Megamorphs books, and ''The Return''.
%%* SmugSnake
%%* TeleportersAndTransporters
* TermsOfEndangerment: He refers to Rachel as "Rachel of the dark heart".
* TheTrickster: His name means "wild card" to his species.
* WildCard: See above. His name literally means wild card.

!The One

->''You have done well to come this far. You have come to find your friend. But [[spoiler:the Andalite]] is part of me now. As you will soon be.''

A GiantSpaceFleaFromNowhere that shows up in the last few pages of the final book. He gathers the remnants of the shattered Yeerk Empire under his aegis and plots to [[TheAssimilator assimilate]] the Animorphs into his being. The book ends with the Animorphs ramming his ship and the outcome of the conflict is never revealed.

* AGodAmI: To the point where Yeerks start worshiping him.
* TheAssimilator: Apparently assimilates a lot of beings, [[spoiler:including Ax]].
* BiggerBad: The leader of the Yeerk survivors and the final enemy faced by the Animorphs.
* BodyHorror: It's revealed he's inflicted it on his captive, [[spoiler:Aximili]].
* BolivianArmyEnding: "[[spoiler:Ram the Blade ship]]."
* CyberneticsEatYourSoul: Implied. Two of the four forms he shows the Animorphs are mechanical creatures.
* DiabolusExMachina
* ForTheEvulz: Apparently?
* GiantSpaceFleaFromNowhere: He literally shows up within the last few pages of the final book with no buildup. The general fandom reaction was: "[[FlatWhat ...What]]."
* LightIsNotGood: He appears to the Animorphs heralded by 'searing light'.
* MinorMajorCharacter: His only appearance covers all of ''four pages''.
* NoMouth: Subverted in nightmarish fashion. See BodyHorror above.
* OneShotCharacter: Appears only in ''The Beginning''. Fans theorized he was the being behind Jake's trip to the future in ''The Familiar'' but this was {{jossed}} by Applegate in an interview.
* PathOfInspiration: Hinted at. The Yeerk remnants he leads worship him as a god and his lieutenant, Efflit One-Three-One-Eight, carries himself in a manner more befitting a high priest than a ship's captain.
* TheRemnant: He leads it.
* SpaceElves: One of his forms is described as a 'sweet, feminine, almost elfin visage'.
* MindProbe: Apparently, since he instantly knows that the Animorphs are hiding on their ship.
* TooManyMouths: One too many, given that he gives a horrifying, red-rimmed mouth to [[spoiler:Aximili]].
* UltimateEvil: We never see his true face and he is described by Marco as 'every corruption and every evil'.
%%* UnroboticReveal
[[/folder]]

[[folder:Everyone Else]]

!Erek King

->''This will be a meeting of allies, Marco. You see, we, too, fight the Yeerks.''

Erek King was a member of the Chee, a race of ancient androids that had been living in secret on Earth for thousands of years. He revealed the existence of his people to Marco after it became apparent that they were both secretly fighting for the same cause. Though he was at heart a pacifist and found physical violence abhorrent, he and other Chee helped Animorphs in their missions by gathering information and providing alibis.

* TheAgeless: Still running fine after thousands of years.
* [[AlienAmongUs Android Among Us]]: Looks just like a kid.
* AscendedExtra: The Erek character was the result of a ContestWinnerCameo and was only going to appear once. He ended up being one of the most important secondary characters.
* ActualPacifist: Thanks to his programming; the one time he was reprogrammed, he was so sickened by what he was capable of that he immediately rewired the violence prohibition back in.
%%* BadassAutomaton
* BadassPacifist: Seriously, check out some of the stuff he pulls in ''The Attack''.
* BeenThereShapedHistory: Franklin Roosevelt got the name for the "New Deal" from Erek during a game of poker. Erek was Louis Pasteur's lab assistant and gave him the idea to try killing bacteria with heat.
* BewareTheNiceOnes: In his first appearance, but ''The Attack'' and the final book also show he can be quite vengeful without being violent.
* ContestWinnerCameo: Named after a real-life Animorphs fan whose cameo got a bit further than he expected.
* CurbStompBattle: In ''The Android''.
* DeadpanSnarker: "I gotta stop hanging around with you people. You people are just plain strange."
* DeceptivelyHumanRobots: He appears human as long as he can project his hologram.
* DoAnythingRobot: To some degree in ''The Attack''.
* DropInCharacter: Shows up every once in a while to give intel and occasionally help in other ways.
* ForeignLanguageTirade: In ''The Answer''. See WhatTheHellHero below.
* GuestStarPartyMember: In ''The Attack''.
* HeavyWorlder: The Pemalite home world's gravity was four times stronger than Earth's, accounting for Erek's obscene strength.
* HistoricalInJoke: Five thousand years of possibilities!
* {{Hologram}}: His human form is one, and he can project basically whatever he wants - boulders, dump trucks, and so on.
* HolographicDisguise
* HologramProjectionImperfection: In ''The Exposed''.
* IfIWantedYouDead: At first Marco thinks he's working for the Yeerks. Erek shoots him down pretty quick with this.
* IgnoredEpiphany: He learns the truth about the Howlers in ''The Attack'' after uploading their memories. He doesn't care.
* IWillPunishYourFriendForYourFailure: Inflicted on Erek by Jake in ''The Answer''. He forces Erek to help the group by threatening Chapman's life - while Chapman is no friend of Erek's, his programming forces him to comply to save his life.
* JustAMachine: In ''The Exposed'', the Drode attempts to justify setting the Chee to self-destruct by invoking this, though the Drode is no stranger to just being an asshole.
* ManipulativeBastard: In ''The Attack''.
%%* MechanicalLifeforms
* MissionControl: He evolved into this in later books.
* MrExposition: {{Lampshaded}} - Applegate herself admitted she got too reliant on using Erek as an expository device.
* TheMole: Pretends to be a Controller in order to get information to the main characters.
* MoralDissonance: He's forbidden to harm living creatures but keeps a Yeerk captive in his head, bound by wires and effectively as helpless as a Yeerk host would be.
* MoralityChip: Cannot perform violence for any reason.
* MyGodWhatHaveIDone: After momentarily having his MoralityChip deactivated.
* NonActionGuy: From the end of ''The Android'' on up.
* NighInvulnerability: He and the other Chee can tank Dracon beam shots, though he admits a full power blast, sustained for long enough, would destroy him.
* OlderThanTheyLook: By several millennia.
* OneManArmy: ''Very'' briefly.
* PersonOfMassDestruction: If he and the Chee had joined the war in earnest, the Yeerks would have been defeated in a week.
* [[ReallySevenHundredYearsOld Really Five Thousand Years Old]]: At ''least''.
* RenaissanceMan: Five thousand years is a long time to pick up skills. He's been a politician, a hairdresser and a valet - and that's just the tip of the iceberg.
* RevengeBeforeReason: [[spoiler:Telling the kids everything he knew about the Howlers might have helped their chances. But he didn't, because he'd rather see them kill the Howlers instead of pitying them.]]
%%* RobotBuddy
* RobotNames: In ''The Android'' we learn all Chee have their own names, such as Chee-Ionos. Curiously, we never learn Erek's.
* RoboticReveal: Originally when his hologram momentarily flickered, later when Marco's morph could see through it.
* SelfDestructMechanism: Built into all Chee. We never see it in action, but they're threatened with it in ''The Exposed''.
%%* SuperSpeed
%%* SuperStrength
* TechnicalPacifist: Despite generally finding violence abhorrent, Erek has no problem manipulating people to get the results he wants, as in ''The Attack'', though in that case... well, there were some extenuating circumstances.
%%* TimeAbyss
%%* {{Tuckerization}}
* WhatTheHellHero: "This is so low. This is so far beneath you, Jake ...I was offering my opinion on your morals and your ethics and your sense of decency. I chose an ancient Mesopotamian dialect well-known for its variety of curse words."

!Melissa Chapman

->''Melissa was an innocent. [[GoodIsNotNice She didn't need to see what was going to happen next]].''

Principal Chapman's daughter and Rachel's estranged best friend. She plays a prominent role in one of the early books and is relegated to a distant background character for the rest of the series.

* AlternateSelf: In the alternate timeline of ''Megamorphs #03'' Melissa has taken Rachel's place on the team. Where's Rachel herself? [[HellholePrison You don't want to know]].
* BoundAndGagged: Marco leaves her this way in ''The Conspiracy''.
* BrokenBird: Apparently used to be happier, until her parents started acting strange for reasons she does not understand.
* CoolCat: Her pet cat, Fluffer Mckitty. He ends up becoming Rachel's very first cover morph.
* DumbBlonde: Never seen in the main story, but implied of her alternate counterpart in ''Megamorphs #03''.
* HostageSituation: In ''The Conspiracy''.
* MoralityPet: To her parents.
* ParentalNeglect: Or so it appears. In reality, her parents have both made the ultimate sacrifice to protect her.
* QuicklyDemotedWoman: Her appearance in the second book seemed to indicate she would become a much more frequently-recurring character than she did. She only ended up appearing in two other books and actually made more appearances in the infamous television series!
* PromotedToLoveInterest: In ''Megamorphs #03'' she is dating Tobias.
* RecurringCharacter: She appears in ''The Visitor'', ''The Conspiracy'', and ''Megamorphs #03: Elfangor's Secret''.
* WhatHappenedToTheMouse: She and her parents are absent from the ending and it's left unclear whether or not they survived.

!Loren

->''She's a million light-years from her home, Arbron. Confronting species she never knew existed. Suddenly thrust into the middle of an intergalactic war. I think she is very brave.''

The heroine of ''The Andalite Chronicles'' and Elfangor's love interest. [[spoiler:She's Tobias's mother.]]

* ActionGirl: Quite tough for a thirteen-year-old up against the future Visser Three.
* {{Animorphism}}: From ''The Diversion'' on up.
* BackForTheFinale: First appears in ''The Andalite Chronicles'' (which is set before the series and was released early on in the series), then reappears in ''The Diversion'', ''The Ultimate'' and ''The Sacrifice'', three of the last six books in the series.
* BadassNormal: In ''The Andalite Chronicles''.
* BatterUp: She takes on Esplin's Mortrons [[CrowningMomentOfAwesome with nothing but a baseball bat]].
* DisabilitySuperpower: In ''The Diversion'' she is able to master morphing very quickly. The Auxiliary Animorphs later exhibit this same knack, and the Animorphs speculate it may be because they are physically disabled, forcing their minds to become stronger.
* FootFocus: In ''The Andalite Chronicles''. Justified, since the Andalites are a hoofed species and have never seen bare feet before.
* FirstNameBasis: Like most members of the series.
* LaserGuidedAmnesia: Averted, but not completely.
* LittleMissBadass: She repeatedly took on aliens without Elfangor's help--in fact, she had already subdued her Skrit Na abductors when he and Arbron first met her.
* MamaBear: In ''The Diversion''.
* MysteriousParent: [[spoiler:Tobias]] knows pretty much nothing about her except her name.
* PlotRelevantAgeUp: Messing around with the Time Matrix causes her to age a few years prematurely, from 13 to 18.
* PluckyGirl: She's more or less Rachel lite.
* ThrowingOffTheDisability: She's blind and crippled in ''The Diversion'', but is healed by morphing.
* UnexpectedCharacter: While fans had been waiting for elements of her plot to be addressed for quite literally ''years'', no one was really expecting her to pop back into the main story the way she did.
* WhatHappenedToTheMouse: She's curiously absent from the last book.

!Toby Hamee

->''A fool is strong so that others will see. A wise person is strong for himself. The Hork-Bajir will be strong for the Hork-Bajir. That way, when the Yeerks are all gone, we will still be strong.''

The daughter of the first two free Hork-Bajir in generations, Toby Hamee is a seer, a rare anomaly among Hork-Bajir born with genius-level intelligence. Her keen mind and charisma quickly elevate her to leader of the free Hork-Bajir. Generally cautious and levelheaded, she puts the survival and well-being of the Hork-Bajir colony over all else in every situation.

* AChildShallLeadThem: The other Hork-Bajir follow her unquestioningly, despite her age.
* {{Ambadassador}}: After the war's end Toby becomes the official liaison between her people and the United States government.
* AscendedExtra: As leader of the free Hork-Bajir, Toby becomes one of the most important secondary characters.
* BattleCry: Her and her Hork-Bajir have one - "Free or dead!"
* BladeBelowTheShoulder: Like all Hork-Bajir.
* ChildProdigy: As a Hork-Bajir seer, she is easily the most intelligent of her friends and family.
* GenerationXerox: She's basically a female version of her grandfather, Dak Hamee.
* GeniusBruiser: She's a genius pretty much from birth and grows up to be just as tough as any member of her species.
* HerbivoresAreFriendly: Like all Hork-Bajir.
* LaResistance: The free Hork-Bajir, which she leads.
* TheLeader: Type I meets Type IV.
* LineInTheSand: Literally. After the Yeerks find out where the Hork-Bajir valley is located, they plan to storm it and kill everyone. Jake and his friends attempt to explain to Toby that going into battle is suicidal, and to demonstrate his point Jake draws a line in the sand and asks the Hork-Bajir to vote on which course of action is the smartest. Jake's point backfires when every Hork-Bajir votes to fight back.
* NobleSavage: Less so than most of her species, though.
* RapidAging: Due to Hork-Bajir biology she is fully-grown in about the space of two years.
* RebelLeader: An ally to Jake and the other Animorphs, but decidedly independent from them.
* RedshirtArmy: In the last few books, though Toby herself survives.
* SuperpowerfulGenetics: And they're accidental at that!
* YoungerThanTheyLook: During the events of the series she is only a year or two old.

!Queen Soco

->''I will discover the truth, Surface-Dwellers. Have no doubt of that. But I am also a magnanimous queen. Feel free to further explore the Nartec world. We will meet again later. Perhaps.''

Queen of the Nartec, a villainous group of merpeople encountered in ''The Mutation''. She plots to take her people into a war with the surface world, but hasn't reckoned on the Animorphs... or Visser Three.

* {{Atlantis}}: Queen of it.
* TheButcher: Marco dubs her "Queen Psycho."
%* TheCaligula
* ConflictKiller: She and her people are enough of a problem to force a temporary alliance between the Animorphs and Visser Three.
* CruelAndUnusualDeath: Likes having survivors of shipwrecks vivisected and stuffed.
* EvilVersusEvil: She's ambitious, but she really wasn't ready to go up against likes of [[BigBad Visser Three]].
* EvilerThanThou: See above. They never directly encounter one another, but boy does he [[KillItWithFire flash-fry]] a bunch of her troops.
* GodSaveUsFromTheQueen: Blood-thirsty ruler of a dying civilisation, she's enough of a problem to force an alliance between the Animorphs and the Visser.
* GreenRocks: See below.
* ILoveNuclearPower: The Nartec don't have it, thankfully, but it's implied their mutation came out because of radiation exposure.
* KarmaHoudini: She's never mentioned again after ''The Mutation'' so we never learn if she got her comeuppance or not.
* {{Mutants}}: Her and the rest of the Nartec are all mutated humans.
* {{Omniglot}}: Possibly. At the least she speaks English, German, French, Chinese, one of the Scandanavian tongues and (probably) Japanese.
* OurMermaidsAreDifferent: More amphibious. And totally nuts.
* RoyallyScrewedUp: Prtty much a psychopath.
* TakeOverTheWorld: Has delusions of doing this.
* UnscaledMerfolk: Nartec are more humanoid, though weak outside of water.
* VillainOfTheWeek: In ''The Mutation''.
* WhatHappenedToTheMouse: ''The Beginning'' never mentions if the Animorphs dealt with the Nartec post-war like they said they would.
* WickedCultured: She speaks numerous foreign languages and keeps a great museum...of dead people whom she had killed and stuffed.

!General Sam Doubleday

->''See the stars on my shoulder there, son? I'm a major general, U.S. Army. You're a kid who can turn into a bug. I take my orders from the chain of command, and that ain't you.''

A three star-general and the leader of ATF-1 (Alien Task Force One), the U.S. Army's answer to the Yeerk invasion. He doesn't take kindly to Jake and the kids at first, but agrees to help them after he's been brought up to speed.

* AggressiveNegotiations: He has Jake arrested four times before he starts listening to him.
%%* BadassNormal
* FourStarBadass: Well, ''Three'' Star Badass, but still counts.
** Two Star, actually; he's a Major General. Three Star would be Lieutenant General.
%%* LastStand: He leads it.
* TheLeader: Type II.
* OldSoldier: His age is stated as fifty-four years old. It's safe to say he counts.
* RecurringCharacter: He appears in the last two books.
%%* RedshirtArmy
* [[spoiler:SuicideMission: Most of his forces are slaughtered to buy the Animorphs time to take over the Pool ship. The Animorphs manage to save some though, and he attends Rachel's funeral.]]
%%* SupportingLeader
* TheWarRoom: He runs his campaign against the Yeerks out of one. Jake notes that it seems an awful like what you'd see in a movie; old guys chomping cigars, guys in suits and [[TheBigBoard a big map]] (that has his hometown crossed out, [[spoiler:presumably because it isn't there any more]]).
[[/folder]]

-----

to:

[[foldercontrol]]

[[folder:Yeerk Empire]]

!Visser Three (Esplin 9466 the primary)
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/anvisserthree_6172.gif]]

->''He looked so much like Ax. So much like Prince Elfangor. And yet, so totally different. The difference wasn't something you saw. It was something you felt. A shadow on your soul. A darkness that blotted out the light of the sun. Evil. Destruction. His body was an Andalite. He was the only Andalite-Controller in existence. The only Yeerk ever to infest an Andalite body. The only Yeerk with the Andalite power to morph. Visser Three.''

The only Yeerk to ever infest an Andalite, Esplin 9466 Primary, in his time as Visser Three, was put in charge of operations on Earth. Though he carried out the orders of his superiors and employed the strategy of infiltration and subversion suggested by his rival Visser One, his violent and impulsive personality lent itself more brutal tactics. A long-time proponent of a strategy of open war, his efforts to be promoted to Visser One were stymied by his inability to capture or kill what he believed to be "Andalite bandits", and his growing obsession with the Animorphs paved the way for his descent into insanity and paranoia.

* ZeroPercentApprovalRating: He is universally hated and feared among his fellow Yeerks. [[AsskickingEqualsAuthority Not that he needs their approval]].
%%* AliensAreBastards: Boy is he ever!
* {{Animorphism}}: Mostly using scary giant alien monsters.
* AsskickingEqualsAuthority // AuthorityEqualsAsskicking: One of the main reasons, if not ''the'' main reason, why he's still in power.
* AxCrazy: Viciously insane, with a HairTriggerTemper.
* {{Badass}}: The Visser may be a GeneralFailure, but in straight up combat he defeats the kids every time, due to his greater experience and arsenal of alien morphs.
* BadassArmFold: He apparently favors this pose, as seen on the cover of VISSER on the right.
* BadBoss: He could well be the TropeNamer. Not only does he sarcastically mock his subordinates, but he kills them for little-to-no reason. Didn't kill the Animorphs? Decapitated. Made a mistake? Decapitated. Interrupted the Visser? Decapitated. Closed a door too slowly? Decapitated. You can't win with this guy, to the point where Yeerks pass over promotions because it means having to work with Visser Three, and therefore probably being decapi-[[KilledMidSentence SLASH- *thud*]]. {{Lampshaded}}: Jake points out that Visser Three's tendencies to kill his subordinates make them hate and fear him, making him (and them) less effective. He also says that that gives the Animorphs an advantage over him.
* BigBad: Played with in that, while he is the primary antagonist of the series and is quite high up in the Yeerk hierarchy, there are still two Vissers and the Council of Thirteen above him. [[spoiler:However, he is ultimately promoted to Visser One. And in one BadFuture, he works his way up to TheEmperor.]]
* BigDamnVillains: In ''The Mutation''.
* BiggerIsBetter: A philosophy he subscribes to wholeheartedly. Subverted in ''The Arrival'', when he finally realizes bigger is not always better and morphs a small creature to avoid being assassinated.
* BlobMonster: One of his morphs in ''The Return''. Rachel aptly describes it as 'Killer Jell-O'.
* [[spoiler:BodyguardBetrayal: Tom sells him out to the Animorphs in the hopes of seizing his Blade ship and escaping before the Andalites move in.]]
* BondOneLiner: He gets a few good ones.
* BreathWeapon: His most powerful and only recurring morph, the eight-everythinged creature seen in ''The Invasion'' and ''The Resistance'', breathes [[PlayingWithFire fireballs]] from each of its eight heads.
* TheBrute: He only knows one tactic -- Hit the enemy with everything you've got until it's dead.
* CartoonishSupervillainy: At his lowest points.
* ChameleonCamouflage: The chameleon crab morph he uses in ''The Reunion'' has this as its gimmick.
* CombatTentacles: More than a few of his morphs feature them, most notably the Lerdethak from ''The Forgotten'' and the unnamed monster he morphs in ''The Ultimate''.
* [[spoiler:CruelMercy: After he's finally beaten, he's robbed of his prized Andalite body and forced to live out the rest of his natural life in his natural Yeerk state, blind and helpless. For Visser Three, who was in love with the sense of sight, this is very fitting]].
* CurbStompBattle: Most of his fights with the Animorphs end up like this, with him clobbering them.
* {{Cyclops}}: In ''The Sickness'' he morphs a creature that's basically a giant, tentacled eyeball.
* DishingOutDirt: In ''The Visitor'' he morphs a three-legged, twenty-foot tall creature that's strong enough to rip up chunks of cement from the ground and throw them.
* DragonInChief: Sort of; he is subserviant to the Council of Thirteen, but is much more "hands-on" and thus threatening. He's also in charge of the invasion of Earth, so he is the main enemy.
* TheDreaded: Feared by Andalite and Animorph both.
* EnemyMine: Teams up with the Animorphs to escape the Helmacrons in ''The Suspicion'' and the Nartec in ''The Mutation''.
* EvilGloating: He's a master of this. Read ''The Threat'' for the most triumphant example.
* EvilIsBigger: All of his morphs are ridiculously large.
%%* EvilOverlord
* ExoticEntree: He has two morphs, the Anatarean Bogg and Vanarx, specifically devoted to being bad enough to do this to other species. In the first book, he ''devours Elfangor''.
* [[spoiler:FateWorseThanDeath: His fate is being contained in a custom made prison without a body for the rest of his life, helpless and without sight. For a power hungry monster like Visser Three who was in love with the sense of sight, this is most certainly one of these.]]
* FeatheredFiend: In ''The Decision'' he attacks Ax as a kafit bird, a BigBadassBirdOfPrey from the Andalite home world.
* GiantEnemyCrab: In ''The Reunion'' he morphs an alien chameleon crab.
* GiantFlyer: He's got two known morphs that fall under this banner: the Bievilerd from ''The Revelation'' and an unnamed monster described as something like a [[MixAndMatchCritter giant winged porcupine pterodactyl]] in ''The Underground''.
* GiantSquid: The last morph he ever uses is one of these, seen in ''The Sacrifice''. He may have used it before in ''The Mutation''.
* GeneralFailure: When it comes to the "Andalite bandits", anyway. That said, don't attack him head on, as you will die a very painful and horrific death.
* [[spoiler:GracefulLoser: ''Very'' surprisingly done at the end. He surrenders to the Animorphs without a fight and leaves his host willingly.]]
* HeroKiller: Probably the most dangerous combatant in the series, and more then lives up to this reputation.
* HollywoodAcid: Two of his morphs have been known to use it: the Kaftid he morphs in ''The Pretender'' and an unnamed morph from ''The Return'' that's described as a [[MixAndMatchCritter giant alien alligator gorilla]].
* [[spoiler:HumiliationConga]]
* TheJuggernaut: In ''The Message'' he chases the kids as a giant, untiring SeaMonster called a Mardrut. They're only saved by the fortuitous arrival of [[FanNickname magic talking]] [[SapientCetaceans whales]].
** Most of the Visser's morphs trend towards this, due to their size, overwhelming power, and general unstoppability.
* KillItWithFire: He's fond of this. In the first book he morphs a monstrous, unnamed eight-headed creature and in ''The Mutation'' he morphs the Luminar, a blazing creature that can flash-fry its enemies by [[FingerPokeOfDoom pointing a finger]]. Hasbro must have caught on to it, because the first Visser Three toy transformed into a form never seen in the books dubbed the [[ExactlyWhatitSaysOnTheTin Inferno Beast]].
* [[spoiler:KnowWhenToFoldEm: See GracefulLoser above.]]
* LargeHam / ChewingTheScenery / NoIndoorVoice: Something of a RunningGag; every time it is explained that thought-speak can be sent to one person or a few, that's when the Visser ANNOUNCES HIS PRESENCE TO EVERY PERSON IN RANGE!
* TheLeader: Type III.
* MuckMonster: He's got two known morphs like this, one seen in ''The Weakness'' and the other in ''The Hidden''.
* MultiArmedAndDangerous: The unnamed creature he morphs in ''The Threat''. All we know about it is that it is 'dark and large and has more arms than it should'.
* NamesToRunAwayFromReallyFast: Among Andalites, he is known as 'The Abomination'.
* NoOneCouldSurviveThat: The actual Yeerk Esplin 9466 has made a shtick out of surviving against impossible odds. See ''The Andalite Chronicles'', ''The Hork-Bajir Chronicles'', and ''The Alien''. [[spoiler:He also survives the war, which is no mean feat when you consider how many people want him dead.]]
* OffWithHisHead: His preferred method of execution.
* OneWingedAngel: He has a menagerie of monstrous morphs he's acquired from across the galaxy.
* ThePeterPrinciple: He was quite a competent villain in the Chronicles prequels, but it's pretty clear that trying to run a stealthy infiltration campaign really doesn't fit his skillset, making him a GeneralFailure in the main series.
* PlantAliens: His [[WhenTreesAttack Lerdethak morph]] from ''The Forgotten''.
* PrehensileHair: In ''The Suspicion'' he morphs a {{Medusa}}-like creature with scythe-tentacles for hair.
* PuppeteerParasite: Esplin 9466 himself is just another Yeerk.
* SeaMonster: In ''The Escape'' he morphs a bright yellow alien sea serpent. His Lebtin Javelin Fish from ''The Reaction'' and and Mardrut from ''The Message'' also count.
* ShootTheMessenger: All the goddamn time.
* [[SignatureMove Signature Morph]]: Averted, since he has a penchant for hauling out a new alien monster morph every book. In a way, you could say his SignatureMove is being a permanent one-man MonsterOfTheWeek.
* SpikeShooter: In ''The Reaction'' he morphs a [[SeaMonster Lebtin Javelin Fish]], a kind of manta ray that fires spears from its mouth. His [[VertebrateWithExtraLimbs Dule Fansa]] also shoots spikes from its four arms.
* TheStarscream: To Visser One. [[spoiler:He succeeds eventually]].
* StartOfDarkness: ''The Hork-Bajir Chronicles'' probably counts, since aside from Dak and Alrea's story, about a third of the novel is spent exploring his own back story.
* StrongerSibling: Labeled as such at birth, hence his 'primary' designation.
* StupidEvil: It's only most of the way through the series when he even begins to ''suspect'' that the Animorphs are human.
* TortureTechnician: In ''The Extreme'' it's revealed that he collects torture devices from around the universe.
* VertebrateWithExtraLimbs: In ''The Discovery'' he morphs a purple four-armed beast called a Dule Fansa, variously described as an 'evil Series/{{Barney|AndFriends}}' and '[[Franchise/{{Pokemon}} Hitmonchan]] with traffic-cone arms'.
* VillainDecay: Suffers from it, due to being the main villain for the entire series. Even more extreme if you read the Hork-Bajir or Andalite Chronicles, in which we see his beginnings as a ''very'' capable ManipulativeBastard, and long before his degeneration into the GeneralFailure he is now. Despite this, fighting him head-on is still not a good idea.
* VillainousBreakdown: His repeated defeats and humiliations at the hands of the Animorphs take their toll.
* VillainousRescue: Without him those kids would have been ''screwed'' by the Nartec.
* WithGreatPowerComesGreatInsanity: And how!
** It's theorized by fans that this is the direct cause behind Visser Three's incompetence in the main series - in the Chronicles books he is patient, thoughtful and manipulative, nothing at all like the GeneralFailure seen in the main series. Then he gets himself an Andalite host, becomes the most physically powerful Controller in the Empire, and it's all downhill from there.
* YouHaveFailedMe: A ''lot.'' Visser One notes that he's executed subordinates "by the poolful," which basically means thousands or more. He does this so reliably that Marco's able to bluff his way out of a situation where three flunkies were expected by saying, "I think Visser Three killed them for doing something wrong". He chastises himself for this, calling it the worse lie he's ever told, only for it to be believed.
* YouHaveOutlivedYourUsefulness: He has a form devoted to this, a Vanarx, which can suck the Yeerk out of its host and eat it.

!Visser One (Edriss-Five-Six-Two)

->''I took a human host and learned about the planet and humans, and because of that I was able to begin the invasion that you have now endangered with your criminal incompetence! ...You want to be Visser One? You want to take my title? We shall see.''

Cold and calculating, it was Edriss 562 who suggested the strategy of infiltration that defined the war for the majority of the series, after years of living amongst her enemies ([[spoiler:under the guise of Marco's mother Eva]]). Though she punished failure harshly, she also rewarded well for success, and her calm and collected tactical abilities made her a star in the eyes of the Council.

* {{Archenemy}}: To Marco, whose life's goal quickly becomes killing Visser One.
* [[spoiler:BecomingTheMask: Subverted in VISSER. However, the ending implies that despite her best efforts, she ''had'' became the mask ever so slightly.]]
* BiggerBad: [[spoiler:At first, where she represents the Council of Thirteen and acts as Visser Three's boss.]]
* BodySurf: In a sense during VISSER. Over the course of the narrative she moves through seven different hosts.
* DangerouslyGenreSavvy: So much so that the Animorphs would [[BetterTheDevilYouKnow much rather Visser Three]] be in charge of the invasion rather than her.
* DeliverUsFromEvil: Ultimately subverted.
* DontYouDarePityMe: She hides the truth about her past from her host because she'd rather have Eva's hate than her pity.
* EnemyMine: [[spoiler:She aids the Animorphs for her own ends in ''The Predator'' and allies with them against Visser Three in ''Visser''.]]
* EvenEvilHasLovedOnes: Her human children.
* EvilCannotComprehendGood: Seen at the end of VISSER. [[spoiler:She muses about finding Madra and how she'll love her when she does - and if Madra doesn't, she'll just infest her with a Yeerk and then she'll have to love her. The monologue proves that, in spite of everything she's seen and learned, Edriss doesn't understand the concept of love any more than she did before she experienced humanity.]]
* EvilMatriarch: Has [[spoiler:Marco's]] mother's body as her host.
* EvilOverlord: Definitely gives off this vibe, especially in ''The Predator'' and ''The Escape''.
* EvilVersusEvil: She is a heated rival of Visser Three.
* FakingTheDead: Faked Eva's death in order to get off planet.
* [[spoiler:FromNobodyToNightmare: Like Visser Three, she was a nobody who through a combination of skill and luck made it to the top in record time.]]
* GoingNative: [[spoiler:Played with, but ultimately subverted.]]
* HumanityIsInfectious: She and her assistant Essam were the first long-term Human-Controllers, and found the experience much more addicting than any other Yeerk host species.
* HiddenAgendaVillain: We learn early on that she's the one pushing for the steady infiltration strategy of the invasion, but we never really learn why until ''VISSER''.
* HotMom: Eva's quite attractive, though there's a hardness to her eyes that ruins it.
* HumansThroughAlienEyes: In ''VISSER'', where she narrates.
* IgnoredEpiphany: [[spoiler:She experiences humanity but turns her back on it.]]
* [[spoiler:ItDoesntMeanAnything: In VISSER, between her and Essam.]]
* TheLeader: Type I.
* [[spoiler:LoveIsAWeakness: She comes to feel this way.]]
* [[spoiler:MamaBear: She gives her children up for adoption but continues watching them from afar.]]
* MoralityPet: Darwin and Madra, her [[spoiler:children through a previous host. She made the decision to conceive them, so she considers them hers]].
* NeverFoundTheBody: In both the backstory, ''The Escape'' and ''The Reunion''
* NoOneCouldSurviveThat: In ''The Escape'' and ''The Reunion''.
* PathOfInspiration: She uses a charismatic host, Lore David Altman, to create this ideology in the form of The Sharing.
* PragmaticVillainy: Unlike Visser Three, Visser One only attempts to achieve realistic goals, and refrains from being a sadistic madwoman since it doesn't do anything for her, but make her underlings hate her.
* PsychoticSmirk: Her usual facial expression.
* PuppeteerParasite: Edriss
* ReasonableAuthorityFigure: She presents herself as this to her underlings. She harshly punishes failure, but she also rewards well underlings who fulfill her expectations.
* SecretKeeper: [[spoiler:She eventually figures out the Animorphs are human but keeps the secret out of spite for Visser Three.]]
* SocialDarwinist: Believes the strong have an inherent right to prey on the weak.
* SuperiorSpecies: Sees the Yeerks as one.
* TakeAThirdOption: In VISSER she's presented with a SadisticChoice by Visser Three. [[spoiler:She finds a way out.]]
* [[spoiler:UnexpectedSuccessor: Before VISSER, Edriss held the lowly rank of Sub-Visser Four-hundred-nine.]]
* VillainEpisode: She (and Visser Three) have a starring role in VISSER.
* VillainWithGoodPublicity: In stark contrast to [[ZeroPercentApprovalRating Visser Three]].
* YouHaveOutlivedYourUsefulness: With the odd exception of Eva, Edriss treats her hosts like paper cups - use them, then throw them away.

!Hedrick Chapman (Iniss-Two-Two-Six)

->''Sorry I skipped class, Mr. Chapman, but I've been in this lizard body, watching you because I know you're a Controller and part of a giant alien conspiracy to take over the earth.''

Assistant principal at the school attended by the Animorphs and a prominent Human-Controller, he and his wife became Controllers to protect his daughter Melissa from infestation. One of the more frequently-recurring antagonists, he has a prominent role in ''The Andalite Chronicles'' as a villain, contradicting everything about him learned up to that point.

* AssholeVictim: If you take ''The Andalite Chronicles'' as fact, it's really hard to feel sorry for Chapman in the main series.
* ButtMonkey: His later appearances in the series tended to consist of this.
* EvilTeacher: Upon finding out Chapman is a Controller, Marco jokes this is why he's so strict.
* FightingFromTheInside: He and his wife in ''The Visitor''. It's notable as the greatest act of resistance an infested human in the series ever puts up.
* HostageSituation: Twice the Animorphs make him victim of it, in ''The Conspiracy'' and ''The Answer''.
* LaserGuidedAmnesia: In ''The Andalite Chronicles'' Elfangor meets him on Earth and he remembers nothing of their encounters in space. This is revealed to be the Ellimist's doing.
* LastNameBasis: Even before he became a Controller, he preferred that people call him Chapman.
* MiddleManagementMook: As the vice principal and key leader of the Sharing, he oversees a lot of the day-to-day infiltration of the Yeerks.
* MookLieutenant: His position is important enough that Visser Three can't risk the real Chapman rebel against his host, as it might cause parents to think Chapman is mentally ill, and thus get fired.
* NoOneCouldSurviveThat: Midway through ''The Andalite Chronicles'' he falls into a frigging ''black hole''. He shows up in the third arc none the worse for wear.
* OffWithHisHead: His introduction to the series has him ordering a Hork-Bajir to decapitate the kids and bring their heads back for identification.
** Though it may or may have been intentional, this becomes a [[HilariousInHindsight nice]] [[FridgeBrilliance touch]] when later books reveal how Chapman's boss [[BadBoss Visser Three]] prefers to deal with those who've earned his ire.
* OutOfCharacterMoment: The entirety of his role in ''The Andalite Chronicles''. It's so extreme that fans have suggested the Chapman seen there is actually [[NamesTheSame a different guy with the same name]].
* PapaWolf: "If you harm my daughter I will fight you. I will fight you forever."
* PuppeteerParasite: Iniss
* RecurringCharacter: For the first third of the series, and makes a cameo in the penultimate book.
* TheQuisling: In ''The Andalite Chronicles''.
* RewardedAsATraitorDeserves: When he tries to cut a deal with the Yeerks in ''The Andalite Chronicles''.
* StarterVillain: For the first five books the Animorphs encountered him pretty regularly and then he faded into the background as more formidable threats began to make themselves known.

!Joe Bob Fenestre ([[spoiler:Esplin 9466 the lesser]])

->''My brother, my twin, is the prime. To him go the best assignments, the best hosts, the rank, the power, the glory. And to me, only what I can take. Well, that wasn't good enough. I wanted more. And if I couldn't have it as a Yeerk, I'd have it as a human.''

The billionaire owner of Web Access America and mastermind behind a web site devoted to exposing Yeerks, the Animorphs seek him out to learn if he is friend or foe. It turns out he's a Controller, but no ordinary Controller - [[spoiler:he is in fact the twin brother of Visser Three, a lowly Yeerk who amassed a personal empire by allying with his host.]]

* BigFancyHouse: And it's virtually impregnable to boot! [[spoiler:The keyword here is 'virtually'.]]
* CainAndAbel: He and his twin hate each other.
* [[spoiler:CannibalismSuperpower: He can live without the life-giving Kandrona rays Yeerks need to survive, but only by consuming another Yeerk once every three days.]]
* CorruptCorporateExecutive
* DealWithTheDevil: The real Fenestre makes one with his Yeerk to get rich.
* [[spoiler:DiabolicalMastermind: Fits most of the items on the checklist.]]
* EccentricMillionaire: He's got extraordinary defenses around his mansion to keep any animal out and his guards see him as a paranoid eccentric in the vein of Howard Hughes. [[spoiler:It turns out he's just making sure his brother doesn't come pay him a house call.]]
* EvilGenius: In contrast to his more brutish twin
* [[spoiler:EvilVersusEvil: He's wiping out a hundred or so Yeerks a year, but he's doing it to survive, not out of any heroic leanings. He's also killing the hosts.]]
* FauxAffablyEvil: He takes a page out of Visser One's book. [[spoiler:Surprising, considering who he's related to.]]
* [[{{Fiction500}} Fiction 500]]: He's identified as the second wealthiest man in the world. Net worth? 24.9 billion dollars.
* FictionalCounterpart: Of Bill Gates. Interestingly, ''The Andalite Chronicles'' hints at the real Bill Gates being around in the Animorphs verse. He's also got shades of [[spoiler:Hannibal Lecter]] to him.
* FriendOrFoe: The kids spend most of the book trying to figure out which side he is on.
* [[spoiler:ImAHumanitarian: Cannibalises fellow Yeerks in order to live without Kandrona rays.]]
* LastNameBasis: Always addressed as Fenestre
* ManOfWealthAndTaste: Dresses according to his station.
* MeaningfulName: 'Fenestre' is the Latin word for 'window'.
* NonIdleRich: He secretly runs a website that gathers humans who suspect the truth about the Yeerk invasion.
* NouveauRiche: Joe Bob Fenestre was a lowly programmer working in the bowels of a telephone company before building Web Access America.
* PuppeteerParasite: He's a Yeerk
* RagsToRiches: Fenestre's backstory, which his company plays up for the public.
* ScrewTheRulesIHaveMoney: He's able to circumvent a death sentence from the Yeerk Empire using his vast fortune.
* SelfMadeMan: Subverted - Fenestre allied with his Yeerk to transcend poverty and become what he is today.
* [[spoiler:SerialKiller: Kills Controllers so he can eat their Yeerks.]]
* TheSociopath: Esplin the Lesser is every bit as bad in this regard as his brother.
* TechnologyMarchesOn: His company, Web Access America, is a thinly-veiled take on America Online.
* VillainOfTheWeek: In ''The Warning''.

!Karen (Aftran-Nine-Four-Two)

->''You tell me what you think I should do. Andalites, humans, there's no difference: You're both smug, moralizing, superior races. You both live in beautiful worlds. You have hands and eyes and the freedom to move about wherever you like. And you hate us for wanting all those same things.''

A low-ranking Yeerk assigned to the daughter of a billionaire banker. By chance she observes Cassie leaving a battle and begins to follow her, convinced she has some connection to the Andalite bandits. Due to a series of unfortunate circumstances, they get stranded together in the woods and Aftran learns Cassie's secret, forcing Cassie to face the other side of the war head on.

* [[spoiler:{{Animorphism}}: After she's rescued by the Animorphs, they give her the morphing power. She doesn't keep it very long though.]]
* BlueAndOrangeMorality: She views infestation as just what a Yeerk has to do to gain sense and expand, and that it's no different from a human raising cattle to eat them. [[spoiler:Her mind is eventually changed.]]
* CreepyChild: In her first few appearances, before Cassie figures out what she is.
* EvenMooksHaveLovedOnes: The Hork-Bajir Controller Cassie killed at the beginning of the book turns out to be Aftran's brother.
* FirstNameBasis: Karen's last name is never revealed.
* [[spoiler:MookFaceTurn]]: Her time with Cassie and [[spoiler:witnessing her willingly becoming a caterpillar ''nothlit'' convinces her that the Animorphs are not the selfish bigots she envisioned. She subsequently voluntarily frees Karen and later founds the Yeerk Peace Movement.]]
* [[spoiler:MercyKill: Subverted. After she's rescued in ''The Sickness'', she asks Cassie to kill her so that she doesn't have to starve to death. Instead, Jake lets her become a whale ''nothlit''.]]
* [[spoiler:MyGodWhatHaveIDone]]: Two different instances.
** [[spoiler:Karen's pleas for freedom, while ignorable, were wearing Aftran down and Cassie's example was the last straw. Thus she's convinced to let Karen free, on one condition.]]
** [[spoiler:Aftran forced Cassie to become a caterpillar ''nothlit'' for Karen to be freed, but changed her mind when seeing Cassie was actually keeping her end of the bargain. She tried her hardest to warn her to demorph, but unfortunately Cassie was too small to hear her.]]
* NotSoDifferent: Invokes this many times during her debates with Cassie, saying infestation is just like humans killing to eat.
* PunchClockVillain: It's not slavery to her, it's just what she has to do to survive.
* PuppeteerParasite: Like all Yeerks.
* RecurringCharacter: Aftran appears in ''The Departure'' and ''The Sickness''.
%%* RedemptionEarnsLife
* SadisticChoice: Set Karen free at the cost of being a blind slug again, or keep her enslaved and live with her sceams in your mind?
** Aftran invokes this upon Cassie by saying [[spoiler:she'll set Karen free if Cassie is trapped in a caterpillar body. If Cassie doesn't do it, then Aftran keeps Karen's body.]]
* [[spoiler:SapientCetaceans: At the end of ''The Sickness'' she willingly becomes a humpback whale ''nothlit''.]]
%%* SecretKeeper
* [[spoiler:ShapeshifterModeLock: She becomes a whale permanently so she'll no longer have to seek Kandrona rays.]]
* SuperPersistentPredator: Throughout ''The Departure'' she is stalked by a leopard.
* TheReasonYouSuckSpeech: She gives Cassie a few in ''The Departure''.
* [[spoiler:MySpeciesDothProtestTooMuch: Founds the Yeerk Peace Movement, which allies members who refuse to take unwilling hosts. When Visser Three discovers this, he certainly isn't thrilled.]]

!John Berryman Jr. (Visser Four)

->''One doesn't want mere baboons blundering about with Time Matrices, does one? Who knows what damage a fool with such power may do?''

The commander of the Yeerk invasion of Leera, Visser Four is demoted and assigned lowly actor John Berryman as punishment after the Animorphs thwart his plans in ''The Decision''. While on Earth he finds the Time Matrix and attempts to use it to alter history in his favor. He's the main villain of ''Megamorphs #03: Elfangor's Secret''.

* BigBadWannabe: After getting the Time Matrix, his goal is to rewrite all of history to favor the Yeerks. In practice, what he achieves is decidedly less impressive. He screws up history and makes an annoyance of himself, but never really accomplishes anything. {{Lampshaded}} by the Drode, who refers to him disparagingly as a 'mere baboon' with no idea what he's doing.
* ButterflyOfDoom: [[spoiler:Meddling with history turns out to be too complicated for him. When he tries kill Einstein at Princeton University in 1934, he finds that preventing the United States from being founded resulted in him never immigrated. When he tries to warn the Nazis of the Normandy landings, he finds that the Nazis don't even exist, part of Germany is allied with France, and another German faction arrests him.]]
* ConflictKiller: Visser Four is unique in being the only threat in the series that forces Crayak and the Ellimist to agree to a truce, however temporary.
* DirtyCoward: He runs from the heroes every time he encounters them and flees his host after he's crippled.
%%* DrunkOnTheDarkSide
* EarlyBirdCameo: He's first mentioned (though not seen) in ''The Decision''.
* EvilGloating: When Rachel's shot to pieces in front of him in the Battle of Trafalgar. It doesn't stick.
* GodwinsLawOfTimeTravel: Subverted. [[spoiler:His actions accidentally caused the Nazis to never be formed.]]
* HitlersTimeTravelExemptionAct: Subverted. [[spoiler:His actions turn AdolfHitler into an insignificant jeep driver who never harmed anybody.]]
* [[spoiler:KillItWithFire: After the Yeerk crawls out of his crippled host, Marco grabs him and throws him into the wreckage of a burning tank, saying his only choices are to starve or burn.]]
* PowderTrail: He uses this to blow a hole in ''HMS Victory''.
* ThePowerOfActing: Aside from the PsychicStatic John Berryman uses it for, Visser Four uses his host's experience to more effectively disguise himself. He blends in well at Agincourt and Traflagar, but abandons disguise after that as the Animorphs already know what he looks like.
* PsychicStatic: [[spoiler:John Berryman Jr. thinks ''Theatre/HenryV'' at Visser Four so much so that the very first thing he does when he finds the Time Matrix is try to change the result of the Battle of Agincourt so that Shakespeare would never be inspired to write it.]]
* PuppeteerParasite: Visser Four.
* [[spoiler:RetGone: John Berryman Jr's final fate.]]
* TimeMachine: The Time Matrix
* VillainOfTheWeek: In ''Megamorphs #3: Elfangor's Secret''.
* VillainousFriendship: The Andalite traitor in ''The Decision'' says Visser Four and Visser Three are 'such good friends'. If that's true, Esplin's influence wasn't enough to keep him from being demoted after losing Leera.
* WhatHappenedToTheMouse: [[spoiler:When the Animorphs erase Berryman from history, Visser Four is spared - all that changes in ''his'' history is that Berryman never becomes his host and he never gets the Time Matrix. Despite this, he never appears again.]]

!Taylor (Sub-Visser Fifty-one)

->''Join me in my madness, Andalite.''

A sadistic Yeerk sub-visser responsible for capturing and torturing Tobias, Taylor is a horrific example of what happens when a host with a fractured psyche is infested by an already unstable Yeerk. Later gets the kids involved in a plot to murder Visser Three in revenge for her demotion. It [[spoiler:turns out to be a trap meant to eliminate both the Animorphs and the Yeerk Peace Faction]].

* AlternateCharacterInterpretation: In-universe. Tobias sees her as a badly, badly BrokenBird, and feels a lot of pity for her, even empathising to a degree, despite being absolutely terrified of her. Rachel, on the other hand, sees the girl as deserving to burn for her choices. The [[JerkassWoobie truth is somewhere in the middle]].
* ArchEnemy: To Tobias.
* AgonyBeam: Uses one on Tobias.
* AlphaBitch: Comes across this way in her saner moments, what with her rants about her popularity and how important it is to her.
* AmbitionIsEvil: Even more than Visser Three.
* ArmCannon: Not quite, but her prosthetic arm does fire darts and emit gasses that are capable of paralysing the target. And she may have an actual cannon or grenade launcher in there; it's [[spoiler:unclear whether she used a handheld Dracon beam or an integral weapon to destroy the natural gas pipeline]].
* ArtificialLimbs: One of Taylor's arms is a prosthetic, as is one of her legs.
* AxeCrazy: In addition to being an obvious psychopath, the former Subvisser Fifty-one suffers from rapid mood swings, and is unable to differentiate between herself and her host, frequently confusing memories and events, and speaking of the two of them as one being. She's also absorbed the real Taylor's narcissism and obsessive need to be pretty, and added rampant paranoia and anger at all the people who betrayed her. It's a horribly unstable mix- she makes [[BigBad Visser Three]], [[EldritchAbomination Crayak]], and a whole host of alien monsters look stable by comparison.
* TheBaroness: Taylor may be pretty, but she's as cold and ruthless as any Rosa Klebb type.
* BecomingTheMask: Sub-Visser Fifty-one wasn't even supposed to keep Taylor as her host originally - she was a stepping stone to infest Taylor's mother, a chief of police and the Yeerks' true target. But the sub-visser ends up falling in love with Taylor's life and palms off her mother to a lower-ranked Yeerk so she can play out Taylor's life for herself. Ultimately, this ends with the sub-visser completely unable to distinguish herself from her host. By Book #43, she's more or less regained control of herself, and now has Taylor firmly under her thumb.
* BlondesAreEvil: [[AxeCrazy Are]] [[TortureTechnician they]] [[SociopathicSoldier ever]]!
* ColdBloodedTorture: Tortures Tobias.
* DarkActionGirl: Taylor would rather [[ManipulativeBastard manipulate]] than fight; she's nowhere near the BadAss that [[BloodKnight Rachel]] can become, and maybe not even at [[TheHeart Cassie's]] [[ActionGirl level]]. But the girl can still take and dish our far more damage than you would expect her to be able to, and seems to be one of the few Yeerks who didn't get her training at the ImperialStormtrooperMarksmanshipAcademy. In Book 43 [[spoiler:she's able to take out the entire team (minus Cassie and Tobias) when she catches them by surprise, and fights a Taxxon-morphed Tobias on a fairly even basis]]. Not bad for a (relatively) normal girl.
* DealWithTheDevil: Taylor the Girl made one with the Yeerks in order to be pretty again. It involved selling out herself and her mom. Taylor the Yeerk makes another one with [[spoiler:Visser Three following her demotion from sub-visser, becoming part of his plot against the Animorphs and the Peace Faction in return for promotion]]. And the Animorphs make one with her in order to try and assassinate Visser Three.
* DespairEventHorizon: Taylor the Girl crossed it when she lost everything in the fire.
* DidYouActuallyBelieve: To Tobias in ''The Test''.
* DontYouDarePityMe: Can verge on this, when she's not using her situation to her advantage.
* DoubleConsciousness: Literally, sort of; see HumanityIsInfectious below.
* TheDragon: To Visser Three, apparently.
* EvilCounterpart:
** Tobias sees her as his. Like him, she's a damaged person from a lousy background, who became involved in the war due to alien intervention in her life. Like him, she has a lot of insecurites that prevent her from dealing with life, and Tobias frequently compares her decision to become a Controller to his own entrapment in hawk morph. Tobias, of course, is still a hero, whereas Taylor...well just look at the list of tropes she's associated with.
** Also to Rachel, since both are blonde, immaculate-looking valley girl types who are capable of extraordinary violence and are associated with Tobias.
* EvilMakesYouUgly: Taylor's still very pretty, but since the subvisser can't manage to fake humanity convincingly, it doesn't matter at all--people still react to her as though she were hideous.
* FallenPrincess: Taylor the Girl was homecoming queen, tennis champion, and the envy of her school. After the fire she was left an insecure wreck, and now she's a TortureTechnician.
* FemmeFatale: Seems like she's going for this, but is too sick to fully achieve it. At one point, Tobias meets with her in morph as her (they're pretending to be identical twins), and notices that while he's getting a lot of male attention, nobody's attracted to Taylor, because she is so obviously dead inside. It's especially noticeable because Tobias hardly ever refers to himself as human, but does say that he's a lot more human than Taylor.
* FirstNameBasis: Taylor's last name is never revealed.
* HollywoodCyborg: She was healed by advanced alien technology.
* HeelFaceTurn: [[spoiler:Taylor the Yeerk fakes one in order to bring the kids in on her plot. Taylor the Human pulls one in Book 43, temporarily taking control of her body in order to warn Tobias out of trusting her master]].
* HumanityIsInfectious: Taylor's human and Yeerk personalities seem to be closer than in most Controllers, making Yeerk!Taylor somewhat unable to differentiate herself from her host. Whether this is the cause or effect of her insanity (or both) is hard to determine.
* IAmLegion: A fairly disturbing example; the union of an unstable girl with an unstable Yeerk has left Taylor with no idea of who or what she is. She manages to keep up a façade of sanity, but as Tobias gets into her head she starts referring to herself as Yeerk and girl at once, and eventually abandons the pretense of a dual identity altogether.
--> '''Taylor:''' I waited down in the pool, not knowing what host, I'd only ever been Hork-Bajir before. I allowed myself to be infested, she opened herself to me, willingly. Until that moment, until I was lying on my stomach, my head held over the surface of the pool, she hadn't known, of course, how could she? How could I?
* InferioritySuperiorityComplex: Subvisser Fifty-one's arrogant, icy facade is used to cover up the fact that she's internalized much of Taylor's self-loathing.
* MagicPlasticSurgery: Yeerk cybernetics were used in reconstructing her arm and face.
* ManipulativeBastard: Plays mindgames with Tobias, tricks the kids into helping her plot to attack the Yeerk pool, and generally manipulates everyone's emotions for kicks and profit. She's good at it too, to the point where Tobias cannot get her out of his head.
* MoodSwinger: Taylor can shift from cold and in control to wheedling to psychotic rage in a moment.
* {{Narcissist}}: The real Taylor can come off this way, due to having her thoughts filtered through the subvisser.
* NotSoDifferent: Claims she and Tobias aren't in order to screw with his mind. On some level, he seems to believe her.
** Specifically Tobias thinks about this in her first appearance, when it becomes clear that her perception of the human-Yeerk relationship is similar to Tobias' DoubleConsciousness about being a hawk.
* PsychoForHire: Or whatever the "gainfully employed by a megalomaniacal alien empire" equivalent is.
* PuppeteerParasite: Sub-Visser Fifty-one, who's actual Yeerk name is never revealed.
* TheQuisling: Taylor sold out her species for a chance to be pretty.
* RecurringCharacter: Appears in ''The Illusion'' and ''The Test''.
* TheRevolutionWillNotBeCivilised: Subverted. She pretends to be a member of a Yeerk resistance movement in order to gain the kids' assistance in Book 43.
* RoboticTortureDevice: To which the AgonyBeam is attached.
* SanitySlippage: From the moment she's introduced in ''The Illusion'' there's a hint of something wrong about her - she refers to herself by her host name and insists others call her that as well, something ranking Yeerks almost never do. But she presents a powerful façade, and it's not until Tobias turns the tables on his interrogator that the first cracks begin to show. From that point the pretense of sanity crumbles in very short order.
* SelfMadeOrphan: Spiritually at least. Part of Taylor's deal with the Yeerks involved allowing not only her own infestation, but that of her mother as well.
* TheSociopath: Not Taylor the Girl, who is at worst a narcissist, but the Yeerk subvisser? Every bit as much as Visser Three.
* SociopathicSoldier: Even for a member of the Yeerk military she's a twisted bitch.
* StockholmSyndrome: Causes it in Tobias, who becomes uncomfortably attached to her.
* TeensAreMonsters: Taylor's somewhere in highschool, and was willing to betray the human race for a new face.
* TortureTechnician: Mentally, physically and emotionally.
* VillainOfTheWeek: [[RecurringCharacter Twice]], appearing in books #33 and #43.
* WeCanRuleTogether: Offers Tobias this deal in ''The Test''. He turns her down.
* WhyDidItHaveToBeSnakes: Tobias almost [[HeroicBSOD shuts down]] when he runs into her again in ''The Test''.

!The Inspector

->''That's where this thing belonged. In a cartoon. Where the impossible is possible.''

A candidate member for The Council of Thirteen, sent to investigate Visser Three's progress on earth. Is hosted by a Garatron, one of the Yeerk's "Newest and most capable host species." A real problem in ''The Weakness''.

* BiggerBad: Represents one: The Council of Thirteen.
* CruelAndUnusualDeath: [[spoiler: Bitten by Marco's cobra morph and left to die by the Visser. Ouch]].
* CurbStompBattle: Any physical confrontation with the Inspector's ungodly fast host tends to end this way for the heroes.
* TheDogBitesBack: He spends the whole issue mocking and humiliating Visser Three. [[spoiler: When Marco poisons him, Visser Three lets him die, and lets them escape.]]
* EvilCounterpart: His host species, the Garatron, looks suspiciously like an Andalite.
* EvilerThanThou: With Visser Three, on a political, though not physical basis.
* {{Foil}}: See MonsterOfTheAesop below. He's a nice foil for that particular aspect of Rachel's personality.
* InsistentTerminology: "You will address me as Councillor Thirteen, Visser."
* {{Jerkass}}: Consistently.
** JerkassDissonance: He's doing it to [[BigBad Visser]] [[AxeCrazy Three]] though, so really, who cares?
* KickTheSonOfABitch: He regularly mocks, taunts, threatens, and otherwise humiliates...[[ArchEnemy Visser Three]]. It's kind of fun to watch.
* LargeHam: On par with the Visser. When the two of them are together, it's like a pork convention.
* LightningBruiser: His defining physical trait.
* MonsterOfTheAesop: In a book about Rachel learning to deal with her own hubris, who should show up? A villain whose overconfidence enables his defeat.
* NoMouth: He looks like an Andalite, complete with no mouth.
* NotWorthKilling: The Animorphs. At least, not when he'd rather see them humiliate Visser Three.
* OurCentaursAreDifferent: Very similar build to Ax actually, albeit lighter.
* {{Pride}}: Even as Yeerks go, he's pretty stuck-up.
* PuppeteerParasite: He's a Yeerk.
* RequiredSecondaryPowers: Instant acceleration and deceleration.
* SmugSnake: Par for the course for most Yeerks, though The Inspector really pushes the envelope, being a sneering jackass to everyone, including Visser Three.
* SmugSuper: Jeez, a little overconfident, aren't we Inspector?
* SuperSpeed: To cartoon levels. He runs down several cheetahs with ease [[spoiler:but even he isn't faster than a cobra]]
* VillainOfTheWeek: And an extremely successful one. In the [[OneShotCharacter one book he appears in]] he nicely upstages [[BigBad Visser Three]] as the biggest threat to the cast.

!Tom Berenson (and his Yeerks)

->''I had to rein in a powerful desire to go after him. It's hard to conceive of the impotent rage you feel watching someone you love be reduced to a mindless puppet.''

The real Thomas Berenson was the eldest son of Jean and Steven Berenson, and Jake's brother. Although three years older, Tom is described as almost identical to Jake in looks, though different in temperament. Growing up, Jake and Tom were extremely close, but Tom became more distant due to his infestation (prior to Elfangor's crash). His status as a Controller caused Jake a great deal of emotional suffering, as the latter saw it as his duty to rescue him.

Though he may have been infested by several Yeerks, the reader only meets two. The first was an overly-ambitious low-level grunt (Temrash 114) who was starved to death by the group after managing to infest Jake. The second was a much more dangerous and capable enemy who rose to minor success by becoming one of Visser Three's most capable lieutenants. After Visser Three refused to promote him past the rank of chief of security (a position he achieved despite a stunning failure to notice what might be the single biggest security breach in the war for months) Tom's Yeerk became sick of taking orders from superiors he percieved to be incompetent failures, and began scheming for ways to amass greater power for himself.

* AscendedExtra: In the final five books.
* AmbitionIsEvil: Both Yeerks, though Tom's second Yeerk came a lot closer to realizing his aspirations.
%%* {{Animorphism}}
* BastardUnderstudy: Tom's second Yeerk falls under this.
* BigBrotherWorship: Jake had this for Tom, until he learned he was a Yeerk.
* BondVillainStupidity: Tom's first Yeerk had this in ''spades''. For better or worse, his second Yeerk was much more cunning.
* BoundAndGagged: Tom's first Yeerk fantasizes about seeing the Animorphs like this on the floor of Visser Three's Blade Ship. It's a disturbing little image.
* CainAndAbel: With his, or more specifically his ''host's'', brother Jake.
* DirtyCoward: [[spoiler:He sells Visser Three out to the Animorphs in the hopes of stealing his Blade ship and escaping before the Andalites show up.]]
* TheDogBitesBack: Finally lashes out at the Visser for years of abuse.
* EvilGloating: He indulges in ''The Answer'' at the expense of the Visser.
%%* IfIWantedYouDead
* InformedAbility: He claims he's acquired the morphing power for his own Yeerk body. We never really learn if this is true or not.
* KickedUpstairs: Implied to be the reason why he's promoted to security chief in spite of his stunning failure to notice one of the 'Andalite bandits' living under his own roof.
* MookPromotion: Promoted from random mook to chief of security.
* NoNameGiven: Tom's second Yeerk. Even among fellow Yeerks, he is referred to simply as Tom.
* PantheraAwesome: He's acquired a jaguar battle morph, though we never get to see it.
* PoliteVillainsRudeHeroes: Deliberately invoked in ''The Answer'':
-->'''Tom''': Oh, you're a surly bunch, aren't you? No one talks to me. No one but Rachel, who told me to... well, you can guess what Rachel told me to do.
-->'''Jake''': Whatever she said goes for all of us.
-->'''Tom''': Surly ''and'' unpleasant. Oh well.
* PuppeteerParasite: He's a Yeerk. It's what they do.
* ReliableTraitor: [[spoiler:Ironically, Visser Three [[GenreBlindness never clicks to it]] until the end. [[GenreSavvy Jake does]].]]
* ReplacementGoldfish: His original Yeerk gets killed early in the series and a new Yeerk quickly infests him.
* RewardedAsATraitorDeserves: Jake has Rachel reward Tom's Yeerk for his assistance by [[spoiler:killing him]].
%%* ScaledUp
* SmugSnake: Both of Tom's Yeerks are classic examples: arrogant, sure of their own supremacy, and incapable of believing they could be outsmarted.
* TheStarscream: Believes he is more deserving of promotion then all his fellows, and turns on the Visser when he won't give it.
* StrangeBedfellows: In ''The Answer'' it's revealed that he's allied himself with [[spoiler:Arbron]].
* TreacherousAdvisor: To Visser Three/One, especially in the last book.
* TomTheDarkLord: Played with - Tom is hardly all-powerful, but he's more or less the final series antagonist and we never learn his Yeerk's name.
[[/folder]]

[[folder:Andalites]]

!Prince Elfangor-Sirinial-Shamtul
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/anelfangor_6039.gif]]

An Andalite general, military genius and war hero, Elfangor was made a household name for his contributions to the Andalite-Yeerk war effort. Though this was not generally known amongst his own people, he spent a great deal of time on Earth permanently morphed as a human: a sort of self-imposed exile after a miscalculation led to the infestation of his superior officer, Alloran. His longstanding and well-known subsequent rivalry with Visser Three ended with his death at the hands of the latter after a battle in Earth's orbit, though not before he was able to give the morphing power to Jake and his friends.

* AlwaysSomeoneBetter: From Ax's perspective.
* AloofBigBrother: Wasn't around for much of Ax's childhood, as he was making a name for himself in the war.
* {{Animorphism}}: He has morphing power, but didn't use it as often as the Animorphs. This inexperience with it may have been what allowed his death, as the more experienced Animorphs frequently healed from worse injuries than his.
* BackFromTheDead: [[spoiler:Subverted twice. In an alternate Yeerk-controlled future, Jake is surprised to re-meet Elfangor, but it turns out to be Tobias as a ''nothlit'' in Ax's decade-older body. The second time, during Tobias' torture by Taylor, he hears Elfangor's voice in his head and starts seeing his memories somehow passed down genetically.]]
* BeenThereShapedHistory: In the third half of ''The Andalite Chronicles'' he mentions giving some programming tips to his human friends [[Film/PiratesOfSiliconValley Bill and Steve]].
* BewareMyStingerTail: Standard for Andalites.
* BrokenPedestal: Elfangor's reputation precedes him, even after death, and it's initially believed by everyone that Elfangor was the perfect warrior and, from Jake's perspective, the perfect leader, someone to emulate. It becomes apparent, though, that his reputation is the result of misplaced idolization and Andalite propaganda, and that, like the kids, he made mistakes while doing the best he could. He was however an exceptional {{Badass}} and a War Hero, Visser One later states that no other singular Andalite hurt the Yeerks as much as he did. His name has practically become a curse word to the Yeerks.
* CruelAndUnusualDeath[=/=][[spoiler:EatenAlive]]: Visser Three doesn't just kill him, but [[spoiler:morphs into an Antarean Bogg and ''eats him'''.]]
* GoingNative: With humans in ''The Andalite Chronicles''.
* HeroicSacrifice: Gave up his human life to return to his people and save them from a Yeerk ambush.
%%* HonorBeforeReason: In ''The Andalite Chronicles''.
* HumansThroughAlienEyes: In the ''Andalite Chronicles''.
* IAmDyingPleaseTakeMyMacguffin: He starts off the series by handing the morphing cube to the kids.
* InterspeciesRomance: With Loren in the backstory.
* LukeIAmYourFather: [[spoiler:Tobias]] is actually his son.
* NiceJobBreakingItHero: Accidentally helped the then Subvisser Seven hijack Alloran's body.
* NamesToRunAwayFromReallyFast: The Yeerks come to know him as 'Beast Elfangor'.
* NoMouth: As is standard for his species.
* OurCentaursAreDifferent
* PostHumousCharacter: His actions created the Animorphs, motivated his younger brother, and served as a light to the Andalites and threat to the Yeerks even after his death.
%%* PursuedProtagonist
* ShapeshifterModeLock: Eventually [[AWizardDidIt reversed by the Ellimist]].
* SueDonym: While on Earth, he takes the name of Alan Fangor.
* SuperEmpowering: He gave the Animorphs their powers.
* TelepathicSpacemen: Having no mouth, he has to do this.
* TakeUpMySword: Asks the kids to.
* WarriorPrince: ''Literally''. In Andalite culture, 'Prince' is a military rank and not a title.
* WideEyedIdealist: At the beginning of ''The Andalite Chronicles''.
* WorthyOpponent: It's revealed in ''The Pretender'' that Visser Three eventually came to regard him this way.

!Arbron

->''''Aristh''...I mean, ''Warrior'' Arbron is a casualty of war.''

One of Elfangor's fellow cadets from his days with Alloran. Gets trapped in Taxxon morph partway through ''The Andalite Chronicles''.

* AndIMustScream: Trapped in Taxxon morph.
* {{Animorphism}}: It doesn't end well for him.
* BackForTheFinale: First appears in ''The Andalite Chronicles'' (which is set before the series and was released early on in the series), then reappears in the second-to-last book, ''The Answer''.
%%* BewareMyStingerTail
* BigCreepyCrawlies: Trapped in Taxxon morph.
* DarkIsNotEvil: A pretty striking example. He's trapped as a giant, cannibalistic centipede. He's one of the good guys.
* DeadpanSnarker: A rarity among the Andalites.
* ExtremeOmnivore: Taxxons can eat and digest pretty much anything.
* FireForgedFriends: With Elfangor.
* FirstNameBasis: Arbron is the only Andalite character whose full name is never revealed.
* {{Foil}}: To Elfangor; he'll crack jokes and is pretty easy-going, in contrast to Elfangor's more serious nature.
* GoingNative: Although he retains his sense of morality.
* HiveMind: He joins forces with the Living Hive, a kind of Taxxon queen.
* HorrorHunger: When in Taxxon morph.
* LaResistance: Joins, of all things, the Taxxon resistance in order to get back at the Yeerks.
* NoMouth: Not until he gets trapped in Taxxon morph.
* NoOneGetsLeftBehind: Elfangor tries desperately to get him to come along with he and Alloran when they leave the Taxxon planet. Arbron refuses.
%%* OurCentaursAreDifferent
* PetTheDog: [[GeneralRipper Alloran]]'s promotion of him is pretty touching.
* ShapeshifterModeLock: Trapped as a Taxxon. [[spoiler:Even after the good Taxxons on Earth become anaconda ''nothlits'', there's no hope for him to join them because he already ''is'' a ''nothlit''.]]
* StrangeBedfellows: In ''The Answer'' he returns, having allied himself with [[spoiler:Tom]] of all people.
%%* TelepathicSpacemen
* UnexpectedCharacter: Let's face, no one was really expecting him to return in the finale the way he did.

!War-Prince Alloran-Semitur-Corass
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/anvisserthree_6172.gif]]

->''I will forever be Alloran, Butcher of the Hork-Bajir. Alloran, the only Andalite to ever be taken alive by Yeerks. But disgraced, even despised, for whatever I am worth, I am yours to command.''

Visser Three's host, and formerly Elfangor's commanding officer. Perhaps the best example of the ruthless mentality of the Andalite military, Alloran was infamous even before becoming the only Andalite to ever be taken by a Yeerk. Shunned and hated by even his own people, he becomes more humble and pacifistic during his time as Visser Three's slave.

* TheAtoner: After he's freed, the sheer melancholy as he flatly states that he'll have to live with what he's done and being forever known as the only Andalite ever taken as a Controller makes it very likely he'll become one of these.
* {{Animorphism}}: Alloran has a whole host of horrific morphs at his command thanks to the Visser.
* BewareMyStingerTail: He's an Andalite. Comes with the territory.
* CynicalMentor: To Elfangor and Arbron in ''The Andalite Chronicles''.
* DeathSeeker: In ''The Alien'' he begs Ax to kill him.
* DestructiveSavior: Aldrea [[{{Lampshaded}} lampshades]] it. "Will you save the Hork-Bajir by destroying them?"
* FateWorseThanDeath: He's a Controller. Even worse, he's got Visser Three controlling him, one of the most evil Yeerks of them all.
* GeneralRipper: In ''The Hork-Bajir Chronicles''. He tried to wipe out the Hork-Bajir once he realized they couldn't be saved from the Yeerks.
* HeelFaceTurn: When [[spoiler:the Andalites threaten to destroy Earth in order to contain the Yeerks, and Ax is told he is too low-ranking to challenge the officer's decision, the recently freed Alloran takes up the challenge for him. The Andalite officers promptly reconsider, thus sparing earth.]] Not bad for an ex-GeneralRipper.
* ICallItVera: He calls his beautifully-designed personal ship the ''Jahar,'' [[CrowningMomentOfHeartwarming after his wife]].
* ICannotSelfTerminate: See DeathSeeker above.
* MotiveRant: He gives Elfangor one in ''The Andalite Chronicles''.
* NoMouth: As is standard for his species
* OneManArmy: He still has [[OneWingedAngel all of the morphs]] he acquired while infested by Visser Three. You want to throw down with him? Be our guest.
* OurCentaursAreDifferent: Four hooved legs, scorpion tail, thin upper body, four eyed face, no mouth.
* PetTheDog: With Arbron and Loren at various points.
* ProudWarriorRaceGuy: Though he's more vicious about it then many.
* SyntheticPlague: In ''The Hork-Bajir Chronicles'' this is his secret weapon.
* TelepathicSpacemen: Having no mouth he has to be.
* UsedToBeASweetKid: No, really. From the short description he sounded almost like Arbron or Marco.
* WarriorPrince: ''Literally''. In Andalite culture, 'Prince' is a military rank and not a title.
* WellIntentionedExtremist: Thought that exterminating the Hork-Bajir was the only way to save the galaxy from the Yeerks. The worst part is, he might have been right.

!Prince Seerow

An Andalite Prince who led expeditions to other planets. Once a highly revered leader, he became forever known as a fool after [[spoiler:he gave space faring technology to the newly discovered Yeerks]]. His disastrous actions led to the Andalite Navy passing the law of ''Seerow's Kindness''.

* TheFarmerAndTheViper: [[spoiler:In hindsight, giving advanced weapons and ships to a species that parasitically takes over hosts wasn't all that great an idea.]]
* GoneHorriblyWrong: All he wanted was for all species to travel through the stars together. [[spoiler:Instead he unwittingly unleashed the parasitic Yeerks upon the galaxy.]]
* NiceJobBreakingItHero: And as a result, he became known as the shame of the Andalite people.
* PostHumousCharacter: His actions kicked off almost all the plot, and the law bearing his name becomes increasingly relevant in regards to the Animorphs, who were illegally given their powers.
* PrimeDirective: The Law of Seerow's Kindness states no Andalite should give their advanced technology to less advanced species. [[spoiler:Because that went horribly wrong when tech was given to the Yeerks.]]
* YourApprovalFillsMeWithShame: [[spoiler:The Yeerks consider him "the one good Andalite".]]

!Aldrea-Iskillion-Falan

->''No, I won't help you to understand. But I will help you kill Yeerks. That, I will do. I will help you kill them. And kill them. And kill them! And kill them all!''

The daughter of the infamous Prince Seerow and heroine of ''the Hork-Bajir Chronicles''. She makes a guest reappearance in ''The Prophecy''.

%%* ActionGirl
%%* {{Animorphism}}
* BackFromTheDead: In ''The Prophecy''.
* BreakTheCutie: In the first fifty pages of ''The Hork-Bajir Chronicles'' she loses her pride, her home, and her entire family.
* BrattyTeenageDaughter: At first.
* BewareMyStingerTail: Subverted - Andalite females have shorter, blunter tail blades than Andalite males.
* DeadManWriting: During ''The Prophecy'', when she occasionally narrates [[spoiler:from Cassie's body.]]
* EmbarrassingNickname: Her peers on the Andalite world nickname her 'Seerow's Unkindness'.
* EntitledBitch: She comes across like this in her treatment of [[RebelLeader Dak Hamee]].
* ExtraordinarilyEmpoweredGirl: She's a morpher at the time when the morphing technology was still brand new.
* GoingNative: A major theme of ''The Hork-Bajir Chronicles''. During ''The Prophecy'' she demands to be referred to as a Hork-Bajir.
* GuestStarPartyMember: In ''The Prophecy''.
* IdentityImpersonator: She acquires and impersonates Alloran to get access to his database.
%%* NoMouth
%%* OurCentaursAreDifferent
%%* RevengeBeforeReason
%%* RoaringRampageOfRevenge
* ShapeshifterModeLock: At the end of ''The Hork-Bajir Chronicles'' she willingly allows herself to be trapped in Hork-Bajir morph.
* SharingABody: With Cassie in ''The Prophecy''.
%%* TelepathicSpacemen

!Estrid-Corill-Darrath

->''Estrid, you are beautiful, you are brilliant. But I really do not think I like you very much.''

A young Andalite prodigy and member of Unit 0, Estrid is presented as one of the first female ''arisths''. She is assigned to the unit by Arbat and maintains a close relationship with him. In truth she is his student, the mastermind behind a deadly new weapon. She briefly serves as Ax's love interest.

* TheAce: [[DeconstructedTrope Deconstructed]] - Estrid has many of the traits of a classical MarySue, being a brilliant and beautiful prodigy who's also an expert tail fighter and one of the only two ''estreen'' in the series. She is presented as one of the first female ''arisths'' in a culture where women are typically shoehorned into supporting roles and does basically whatever she pleases. Yet in spite of all this, the book slowly reveals her gaping character flaws - she's impulsive, undisciplined, self-centered and arrogant, with many of the same traits Ax had when he first joined the Animorphs. This is reflected in Ax's view of her - while he is initially smitten by her beauty, as he comes to know her his passion cools, and in the Yeerk Pool he ultimately rejects her altogether. This is a huge turning point in his character and it wouldn't be possible without Estrid there to personify his former values.
%%* {{Animorphism}}
* BadassFamily: Presented to explain her more blatant MarySue traits. Her mother is a 'morph dancer' and her brother is Ajaht-Litsom-Esth, the highest scoring exhibition tail fighter on the Andalite planet.
%%* BewareMyStingerTail
* BodyHorror: Subverted - Estrid is an ''estreen'' like Cassie, except [[UpToEleven even more skilled]]. She is the only morphing character seen to morph real clothes rather than just spandex.
%%* ChildProdigy
%%* CommonMarySueTraits
* FeetOfClay: When she goes to the Yeerk Pool she quickly loses her composure and panics. This leads to the above quote from Ax.
* GeniusSweetTooth: She's as much of a BigEater as Ax.
* [[spoiler:HeelRealization: After Arbat reveals his plan, she has a change of heart and helps the Animorphs stop him.]]
%%* ImpossibleGenius
* IntelligenceEqualsIsolation: Her backstory, as briefly explained to Ax.
* [[MadScientistsBeautifulDaughter Mad Scientist's Beautiful Niece]]: At one point Ax believes her to be this to Arbat.
%%* NoMouth
* NotSoAboveItAll: She scorns the Animorphs for their (staged) breakdown, but when she has to go to to the Yeerk Pool she freaks out.
* OneShotCharacter: Appears only in ''The Arrival''.
%%* OurCentaursAreDifferent
%%* [[spoiler:RedemptionEarnsLife]]
%%* TheSquadette
* SyntheticPlague: She more or less accidentally creates Quantum Virus 2.0.
%%* TelepathicSpacemen
%%* [[spoiler:WellIntentionedExtremist]]

!Commander Gonrod-Isfall-Sonilli

->''I command here. Am I clear on that?''

The commander of the Andalite task force Unit 0, Gonrod is a counterpoint to the usual Andalite officer - while full of bluster and arrogance, he doesn't have a lot of competence to back it up. He's eventually revealed to be little more than an UnwittingPawn of his [[TheManBehindTheMan ostensible subordinate]] Arbat, recruited to serve as an [[WeHaveReserves expendable]] [[AcePilot pilot]].

* AcePilot: And how! Even Ax is forced to note that for all his failings as a commander, Gonrod is a truly excellent pilot.
* ATeamFiring: In contrast to the sharpshooters Aloth and Arbat, Gonrod is a mediocre marksman at best. The one time he's seen with a [[RayGun shredder]], he's firing wildly into a crowd of Hork-Bajir.
%%* BewareMyStingerTail
* BoxedCrook: He was serving a sentence in military prison for cowardice under fire. Taking this mission meant clearing his record.
%%* DecoyLeader
* DirtyCoward: He lies somewhere between this and LovableCoward. While clearly not a sympathetic character, Gonrod is far from a monster.
* MisfitMobilizationMoment: When he's relieved of command and confined to quarters by Arbat, Tobias finds him and talks him into flying their ship into the Yeerk Pool. It's without a doubt Gonrod's CrowningMomentOfAwesome.
* TheNeidermeyer: At first.
* NervousWreck: Ax notes that Gonrod is 'extraordinarily ill at ease for a commander'. It's the first real hint that he's not the one calling the shots.
%%* NoMouth
* OneShotCharacter: Appears only in ''The Arrival''.
%%* PaperTiger
%%* [[spoiler:RedemptionEarnsLife]]
%%* OurCentaursAreDifferent
* TearsOfFear: The idea of attacking the Yeerk pool scares him so much his thought-speech is described as 'tearful'.
%%* TelepathicSpacemen

!Aloth-Attamil-Gahar

->''You want to know the secrets? You want to know who we are? I will tell you, little Aximili.''

An Andalite sniper and member of Unit 0. As the team's sharpshooter, Aloth is tasked with the assassination of Visser Three. Jaded and cynical, Aloth wears his grim position as an assassin lightly. Like Gonrod, he is an UnwittingPawn of Arbat, recruited to be little more than [[WeHaveReserves expendable]] [[CannonFodder muscle]]

* BadassNormal: There is no indication that Aloth has the ability to morph. It doesn't stop him from being incredibly effective.
%%* BewareMyStingerTail
* BoxedCrook: He was serving a life sentence in military prison for [[OrganTheft selling the organs]] of his fallen comrades.
* TheBrute: A curious example - while Aloth's experienced and definitely intelligent, his main role on the team is sheer muscle, and Ax even refers to him once as 'a thug'.
* ColdSniper: He lies somewhere between this and FriendlySniper. While definitely ruthless, Aloth is largely open and amicable to his teammates.
%%* CombatPragmatist
* DeadpanSnarker: He gets quite a few choice lines. The guy's almost like an Andalite Marco.
%%* TheGunslinger
* HiddenDepths: Despite being considered little more than dumb muscle, Aloth has a few moments of surprising insight, and while his opinion of the Andalite military is jaded, his observations are pretty much spot-on.
* ImprobableAimingSkills: Estrid notes that Aloth is a top sniper who scored the highest target impact rate in the history of the academy.
%%* JadedWashout
%%* LockAndLoadMontage
%%* NoMouth
* OneShotCharacter: Appears only in ''The Arrival''.
* OrganTheft: While on the front lines, Aloth harvested the organs of his fallen comrades and sold them on the black market.
%%* OurCentaursAreDifferent
* [[spoiler:PrettyLittleHeadshots: When he is killed, he's shot 'cleanly through the head'. Justified, since shredders are [[RayGun ray guns]].]]
* ProfessionalKiller: Played with - he's the designated assassin of Visser Three, but he was never meant to succeed in his mission.
* TheQuietOne: He present this façade to outsiders, but around comrades he shows his true colors as a DeadpanSnarker.
%%* SociopathicSoldier
%%* TelepathicSpacemen
* WhyDontYouJustShootHim: Magnificently averted. He is one of the few characters to try just shooting Visser Three - and if not for Arbat's sabotage, he'd have succeeded too.

!Intelligence Advisor Arbat-Elivat-Estoni

->''The people must be led by the few who are willing to make the very hard choices. The people are happy in their ignorance. But we in the Apex Level cannot allow ourselves to be sentimental.''

An Apex Level Intelligence Advisor and the biological brother of Alloran-Semitur-Corass. Veteran of over twenty conflicts, Arbat is assigned to the Andalite task force Unit 0, ostensibly tasked with the assassination of Visser Three. The true mission of Unit 0, known only to Arbat himself, is to unleash a deadly new biological weapon against the Yeerks. He appears only in ''The Arrival''.

* {{Animorphism}}: Though he mostly uses it to become human.
* [[{{AntiVillain}} Anti-Villain]]: His goal could potentially save Earth...
* BadassBookworm: It turns out he was a professor, not a warrior.
%%* BewareMyStingerTail
%%* ChekhovsGunman
%%* BrokenPedestal: To Estrid.
* CainAndAbel: Him and Alloran. He's the Abel, Alloran's the Cain.
* CruelAndUnusualDeath. [[LeftHanging Maybe]].
* [[spoiler:EatenAlive: By Taxxons.]]
%%* TheChessmaster
* ImprobableAimingSkills: Not as much as Aloth, but Arbat is still an excellent shot. [[spoiler:When he wants to be.]]
* LeftHanging: He's last seen LeftForDead by the heroes, wounded and facing an army of Taxxons.
* KnightTemplar: Possibly as a result of his brother's enslavement.
* TheLeader: Type I, though he [[TheManBehindTheMan uses Gonrod as a decoy leader]].
* TheManBehindTheMan: Of Unit 0.
* MinoredInAsskicking: Despite being an aging professor, Arbat is a sharpshooter with the morphing power, putting him on par with the Animorphs.
* MotiveRant: He gives one to Ax after his scheme's uncovered. It's notable for making the normally-unflappable Ax want to tail whip him.
%%* NoMouth
* NotSoDifferent: Him and Alloran.
%%* OurCentaursAreDifferent
%%* TheProfessor
%%* RenaissanceMan
* TheStrategist: Apex Level Intelligence is the highest level of advisory to the Andalite War Council. They plot. They plan. And they know everything.
%%* TheStoic
* SyntheticPlague: He plans to wipe out the Yeerks using one. [[NotSoDifferent Sound familiar]]?
%%* TelepathicSpacemen
* WellIntentionedExtremist: His plan is almost sure to cripple the Yeerks, but may doom humanity as well.
%%* UtopiaJustifiesTheMeans
* VillainOfTheWeek: And an extremely successful one. In the [[OneShotCharacter one book he appears in]] he nicely upstages [[BigBad Visser Three]] as the biggest threat to the cast.
[[/folder]]

[[folder:The Higher Powers]]
!The Ellimist

[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/anellimist_1531.gif]]
[[caption-width-right:325: Yes, that's right! [[ComicallyMissingThePoint The Ellimist has been that little icon telling us to watch the TV series the entire time!]]]]

->''We watched the rise of other species throughout the galaxy. Helped at times, when we could. We wanted companions. We wanted to learn. We imagined a galaxy filled with millions of sentient species, each with its own science and art, its own beauty.''

An AllPowerfulBystander introduced in the seventh book, the Ellimist is a being so powerful he can directly manipulate the fabric of spacetime, rewrite history, travel through time, and cross between dimensions. He ultimately wants the Animorphs to prevail and save Earth, but he is bound by the rules of the nebulous [[CosmicChessGame Game]], which prevents him from offering direct assistance unless it's in a DealWithTheDevil.

* AllPowerfulBystander: Not technically all powerful, but so close as to make little difference from human perspectives.
* [[spoiler:AscendedFanboy: In-universe, as a mortal he was of a race called the Ketrans and enjoyed playing complex simulation games where he helped lesser races grow by indirect assistance. Now that he's powerful enough, he's doing the exact same thing for real.]]
* AscendedToAHigherPlaneOfExistence: [[spoiler:He became the Ellimist when his bio-mechanical body of a small fleet of spaceships was drawn into a black hole, thereby causing him to exist in multiple dimensions at once.]]
* BalanceOfGoodAndEvil: {{Justified}}; if he oversteps the boundaries too much then his EvilCounterpart will strike back.
* BigGood: The most powerful known being in the universe - second if you count the one who exiled Crayak - and dedicated to spreading and preserving sentient life.
* TheChessmaster: [[spoiler:It turns out that he was behind these six kids becoming Animorphs]].
* CompleteImmortality: At least unless the entire universe were destroyed too.
* CosmicEntity: Lives within/beyond the normal bounds of space-time.
* [[spoiler:EveryoneCallsHimBarkeep: His real name is "Toomin;" "Ellimist" was basically his screen name when he was a Ketran gamer.]]
* AFormYouAreComfortableWith: Usually he appears as an AmbiguouslyHuman old man; once he appeared as a geeky girl from their school.
* IAmLegion: Throughout most of his appearances he refers to himself in the plural, making it unclear if he is a singular entity or part of a collective, or even a race of creatures like him. [[spoiler:It is eventually revealed he is a singular individual who absorbed millions of minds in a freak incident, explaining his predilection for referring to himself in the plural]]
* [[spoiler:LastOfHisKind: He is the last surviving member of the Ketran race. By the time the series proper begins, he is the last Ketran only in mind, as his original Ketran body was destroyed in a black hole when he ascended.]]
* LeaveYourQuestTest: He gives one to the Animorphs in ''The Stranger''.
* LittleMissAlmighty: One of the forms he appeared before the group in.
* LivingShip: During his Third Life.
* LoopholeAbuse: He's forbidden to interfere directly except when he makes a deal with Crayak, but gets around it by sneakily arranging for them to realize things on their own that they wouldn't have without him. This is actually the defining trait of him in his first appearance, where he shows the Animorphs a vision of a BadFuture, and a background event clues them in to the location of the Yeerk Kandrona in the present.
%%* ManipulativeBastard
* MillionToOneChance: [[spoiler:His evolution from Ketran gamer to demigod is due to a series of freak accidents, each more improbable than the last.]]
* MysteriousBacker: He tries to help the heroes, but he is either too roundabout in his methods to really gain their trust or too caught up in his game with Crayak to help at all.
** [[spoiler:The last ''Megamorphs'' heavily implies that the team basically exists because he arranged things from behind the scene, including the {{Contrived Coincidence}}s of getting members who were already unknowingly connected to the conflict in some way.]]
* PointyEars: In his favored form.
* RealityWarper: He can pretty much do anything.
* RecurringCharacter: He appears in a handful of books, but his influence is felt in many more.
* SufficientlyAdvancedAliens: At one point Rachel comments he's advanced to humans in the sense that humans are more advanced than cows. He would probably argue that it's not quite that extreme, though.
* TimeStandsStill: His general m.o. if he wants to talk with you.
* WhatIfGodWasOneOfUs: In the ''Ellimist Chronicles'' he places part of his essence into the body of an Andalite and lives among early Andalites in order to reconnect with his sense of mortality.
* YouCanNotGraspTheTrueForm: Though he arguably doesn't have one anymore.

!Crayak

->''I will cleanse this galaxy of all life. Then, when no sentient thing is left alive, I will kill you, Ellimist. That's my game. Shall we play?''

Foreshadowed early on, the Crayak remains a mystery until halfway through the series, when the Ellimist reveals his story. A being of power equal to the Ellimist but with very different goals, the Crayak is a malevolent being chased from his home galaxy by the one power in the universe that can defeat him. He seeks extinction on a galactic scale, and eventually the ability to control all of space-time as his own.

* AllPowerfulBystander: Like the Ellimist, he is not truly all powerful, but he is so close it makes little difference from a human perspective.
* BadBoss: Towards the Drode. Though he serves loyally, Crayak is fully prepared to let Rachel annihilate him if it means securing her loyalty.
* BiggerBad: The war against the Yeerks, it's just a move in his game.
%%* TheChessmaster
* ChekhovsGunman: He first appears as a bizarre, ominous hallucination when the Yeerk in Jake's head dies. It turns out that briefly seeing past life and death allowed Jake to glimpse Crayak.
%%* CompleteImmortality
* TheCorrupter: He plays this role to Rachel, tempting her with godlike power in exchange for murdering Jake.
* CosmicHorror: Even without being an OmnicidalManiac, he looks pretty terrifying.
* [[spoiler:CreateYourOwnVillain: The Ellimist ascended into his godlike state before Crayak did and had a chance to destroy him before he also achieved semi-omnipotence. He didn't.]]
* {{Cyclops}}: Even before ascending, Crayak's original form was a monstrous, one-eyed creature.
** EldritchAbomination
* EvilCounterpart: To the Ellimist.
* EvilGloating: The Drode's first appearance in ''The Exposed'' was half following the rules of the Game and giving the Animorphs one hint to keep things fair. The other half was Crayak indulging in this, by proxy.
* EvilIsPetty: After ''The Attack'' he spends most of his time coming up with ways to punish Jake for what he did to the Howlers.
* EvilSoundsDeep: If you're unfortunate enough to meet him in person, his voice feels like being shaken apart at the atomic level.
%%* FacelessEye
* ForTheEvulz: He massacres entire species and enjoys the suffering and torment of others... because hey, it's something to do. When he and the Ellimist first acquire their near-omnipotent powers, the Ellimist suggests that since they're incapable of killing each other now and can just undo any damage the other does to the galaxy, they could call a truce and just watch the advance of evolution. Crayak refuses because he finds the idea boring.
* GiantEyeOfDoom: His AscendedFanon FanNickname is "the Big Red Eye."
* GodOfEvil: He comes across as this, especially since unlike the Ellimist his backstory is never revealed. Additionally, the author admitted to modeling him after personifications of 'pure evil' such as Sauron from LordOfTheRings.
* ILied: To [[spoiler:David]]. He promises him revenge against Rachel, but merely uses him as a tool against her.
* LeaveYourQuestTest: Playing up his role as the Ellimist's EvilCounterpart, Crayak extends Jake an offer to alter history so he never met Elfangor. [[spoiler:Jake accepts this offer, and it's the basis for ''Megamorphs #04''.]]
* LivingShip: He first appears to the Ellimist as this.
* NoIndoorVoice: Similar to Visser Three, he communicates with a form of thought-speech. Jake describes it as sounding like he's screaming at the top of his lungs.
* OmnicidalManiac: "I play the game of ''genocide''..."
* RealityWarper: For example, he rewrote history in the last Megamorphs book.
* RecurringCharacter: Though his presence is often felt, the Crayak himself only personally appears in ''The Attack'' and ''The Return''.
* TheSocialDarwinist: His goal is to pit race against race, the winner growing stronger with each engagement, until only one species is left, which will then revere him as a god.
* SomeoneHasToDie: He agrees to help the Animorphs follow Visser Four through time in ''Megamorphs #03''. In return, he demands that one of their number must die. [[spoiler:Jake ends up biting the bullet. Thanks to some time-travel loophole abuse, it doesn't stick.]]
%%* SoreLoser
* SufficientlyAdvancedAliens: He had super-advanced technology even before ascending to near-godhood.
* TalkingInYourDreams: He appears to both Jake and Rachel in dreams.

!The Drode

->''Yes, yes, oh yes. Mustn't upset the balance. Not directly, anyway. But! Create problems? Yes. Create opportunities? Yes. Play the wild card? Of course.''

An alien being who resembles a humanoid dinosaur, he serves Crayak and acts as his representative. He has incredible powers, presumably a gift from his master. The series' weirdest points are usually his doing.

* BreakingSpeech: His first appearance in ''The Exposed'' has him pop out of nowhere and snarkily pick the Animorphs apart one by one.
* DealWithTheDevil: [[spoiler:Implied, but not confirmed. See LastOfHisKind below.]]
* TheDragon: To Crayak.
* EverythingsBetterWithDinosaurs: Decidedly averted. He's basically an evil space dinosaur.
* EvilHasABadSenseOfHumor: He likes to joke, but...
* FromASingleCell: He can regenerate, possibly from any wound. [[spoiler:Rachel rips his head off in ''The Return'' to no effect.]]
%%* GigglingVillain
* InLoveWithYourCarnage: Enjoys Rachel's penchant for violence.
* LastOfHisKind: [[spoiler:It's implied that he sold out his entire species so he could become Crayak's right hand man.]]
* LoopholeAbuse: Like his master, he is bound by the rules of The Game. That doesn't stop him from bending the rules to achieve the outcome he desires.
%%* ManipulativeBastard
* {{Outgambitted}}: [[spoiler:In his first appearance thanks to the timely intervention of Erek.]]
* RealityWarper: Shares this power with Crayak.
* RecurringCharacter: He appears in ''The Exposed'', the last two Megamorphs books, and ''The Return''.
%%* SmugSnake
%%* TeleportersAndTransporters
* TermsOfEndangerment: He refers to Rachel as "Rachel of the dark heart".
* TheTrickster: His name means "wild card" to his species.
* WildCard: See above. His name literally means wild card.

!The One

->''You have done well to come this far. You have come to find your friend. But [[spoiler:the Andalite]] is part of me now. As you will soon be.''

A GiantSpaceFleaFromNowhere that shows up in the last few pages of the final book. He gathers the remnants of the shattered Yeerk Empire under his aegis and plots to [[TheAssimilator assimilate]] the Animorphs into his being. The book ends with the Animorphs ramming his ship and the outcome of the conflict is never revealed.

* AGodAmI: To the point where Yeerks start worshiping him.
* TheAssimilator: Apparently assimilates a lot of beings, [[spoiler:including Ax]].
* BiggerBad: The leader of the Yeerk survivors and the final enemy faced by the Animorphs.
* BodyHorror: It's revealed he's inflicted it on his captive, [[spoiler:Aximili]].
* BolivianArmyEnding: "[[spoiler:Ram the Blade ship]]."
* CyberneticsEatYourSoul: Implied. Two of the four forms he shows the Animorphs are mechanical creatures.
* DiabolusExMachina
* ForTheEvulz: Apparently?
* GiantSpaceFleaFromNowhere: He literally shows up within the last few pages of the final book with no buildup. The general fandom reaction was: "[[FlatWhat ...What]]."
* LightIsNotGood: He appears to the Animorphs heralded by 'searing light'.
* MinorMajorCharacter: His only appearance covers all of ''four pages''.
* NoMouth: Subverted in nightmarish fashion. See BodyHorror above.
* OneShotCharacter: Appears only in ''The Beginning''. Fans theorized he was the being behind Jake's trip to the future in ''The Familiar'' but this was {{jossed}} by Applegate in an interview.
* PathOfInspiration: Hinted at. The Yeerk remnants he leads worship him as a god and his lieutenant, Efflit One-Three-One-Eight, carries himself in a manner more befitting a high priest than a ship's captain.
* TheRemnant: He leads it.
* SpaceElves: One of his forms is described as a 'sweet, feminine, almost elfin visage'.
* MindProbe: Apparently, since he instantly knows that the Animorphs are hiding on their ship.
* TooManyMouths: One too many, given that he gives a horrifying, red-rimmed mouth to [[spoiler:Aximili]].
* UltimateEvil: We never see his true face and he is described by Marco as 'every corruption and every evil'.
%%* UnroboticReveal
[[/folder]]

[[folder:Everyone Else]]

!Erek King

->''This will be a meeting of allies, Marco. You see, we, too, fight the Yeerks.''

Erek King was a member of the Chee, a race of ancient androids that had been living in secret on Earth for thousands of years. He revealed the existence of his people to Marco after it became apparent that they were both secretly fighting for the same cause. Though he was at heart a pacifist and found physical violence abhorrent, he and other Chee helped Animorphs in their missions by gathering information and providing alibis.

* TheAgeless: Still running fine after thousands of years.
* [[AlienAmongUs Android Among Us]]: Looks just like a kid.
* AscendedExtra: The Erek character was the result of a ContestWinnerCameo and was only going to appear once. He ended up being one of the most important secondary characters.
* ActualPacifist: Thanks to his programming; the one time he was reprogrammed, he was so sickened by what he was capable of that he immediately rewired the violence prohibition back in.
%%* BadassAutomaton
* BadassPacifist: Seriously, check out some of the stuff he pulls in ''The Attack''.
* BeenThereShapedHistory: Franklin Roosevelt got the name for the "New Deal" from Erek during a game of poker. Erek was Louis Pasteur's lab assistant and gave him the idea to try killing bacteria with heat.
* BewareTheNiceOnes: In his first appearance, but ''The Attack'' and the final book also show he can be quite vengeful without being violent.
* ContestWinnerCameo: Named after a real-life Animorphs fan whose cameo got a bit further than he expected.
* CurbStompBattle: In ''The Android''.
* DeadpanSnarker: "I gotta stop hanging around with you people. You people are just plain strange."
* DeceptivelyHumanRobots: He appears human as long as he can project his hologram.
* DoAnythingRobot: To some degree in ''The Attack''.
* DropInCharacter: Shows up every once in a while to give intel and occasionally help in other ways.
* ForeignLanguageTirade: In ''The Answer''. See WhatTheHellHero below.
* GuestStarPartyMember: In ''The Attack''.
* HeavyWorlder: The Pemalite home world's gravity was four times stronger than Earth's, accounting for Erek's obscene strength.
* HistoricalInJoke: Five thousand years of possibilities!
* {{Hologram}}: His human form is one, and he can project basically whatever he wants - boulders, dump trucks, and so on.
* HolographicDisguise
* HologramProjectionImperfection: In ''The Exposed''.
* IfIWantedYouDead: At first Marco thinks he's working for the Yeerks. Erek shoots him down pretty quick with this.
* IgnoredEpiphany: He learns the truth about the Howlers in ''The Attack'' after uploading their memories. He doesn't care.
* IWillPunishYourFriendForYourFailure: Inflicted on Erek by Jake in ''The Answer''. He forces Erek to help the group by threatening Chapman's life - while Chapman is no friend of Erek's, his programming forces him to comply to save his life.
* JustAMachine: In ''The Exposed'', the Drode attempts to justify setting the Chee to self-destruct by invoking this, though the Drode is no stranger to just being an asshole.
* ManipulativeBastard: In ''The Attack''.
%%* MechanicalLifeforms
* MissionControl: He evolved into this in later books.
* MrExposition: {{Lampshaded}} - Applegate herself admitted she got too reliant on using Erek as an expository device.
* TheMole: Pretends to be a Controller in order to get information to the main characters.
* MoralDissonance: He's forbidden to harm living creatures but keeps a Yeerk captive in his head, bound by wires and effectively as helpless as a Yeerk host would be.
* MoralityChip: Cannot perform violence for any reason.
* MyGodWhatHaveIDone: After momentarily having his MoralityChip deactivated.
* NonActionGuy: From the end of ''The Android'' on up.
* NighInvulnerability: He and the other Chee can tank Dracon beam shots, though he admits a full power blast, sustained for long enough, would destroy him.
* OlderThanTheyLook: By several millennia.
* OneManArmy: ''Very'' briefly.
* PersonOfMassDestruction: If he and the Chee had joined the war in earnest, the Yeerks would have been defeated in a week.
* [[ReallySevenHundredYearsOld Really Five Thousand Years Old]]: At ''least''.
* RenaissanceMan: Five thousand years is a long time to pick up skills. He's been a politician, a hairdresser and a valet - and that's just the tip of the iceberg.
* RevengeBeforeReason: [[spoiler:Telling the kids everything he knew about the Howlers might have helped their chances. But he didn't, because he'd rather see them kill the Howlers instead of pitying them.]]
%%* RobotBuddy
* RobotNames: In ''The Android'' we learn all Chee have their own names, such as Chee-Ionos. Curiously, we never learn Erek's.
* RoboticReveal: Originally when his hologram momentarily flickered, later when Marco's morph could see through it.
* SelfDestructMechanism: Built into all Chee. We never see it in action, but they're threatened with it in ''The Exposed''.
%%* SuperSpeed
%%* SuperStrength
* TechnicalPacifist: Despite generally finding violence abhorrent, Erek has no problem manipulating people to get the results he wants, as in ''The Attack'', though in that case... well, there were some extenuating circumstances.
%%* TimeAbyss
%%* {{Tuckerization}}
* WhatTheHellHero: "This is so low. This is so far beneath you, Jake ...I was offering my opinion on your morals and your ethics and your sense of decency. I chose an ancient Mesopotamian dialect well-known for its variety of curse words."

!Melissa Chapman

->''Melissa was an innocent. [[GoodIsNotNice She didn't need to see what was going to happen next]].''

Principal Chapman's daughter and Rachel's estranged best friend. She plays a prominent role in one of the early books and is relegated to a distant background character for the rest of the series.

* AlternateSelf: In the alternate timeline of ''Megamorphs #03'' Melissa has taken Rachel's place on the team. Where's Rachel herself? [[HellholePrison You don't want to know]].
* BoundAndGagged: Marco leaves her this way in ''The Conspiracy''.
* BrokenBird: Apparently used to be happier, until her parents started acting strange for reasons she does not understand.
* CoolCat: Her pet cat, Fluffer Mckitty. He ends up becoming Rachel's very first cover morph.
* DumbBlonde: Never seen in the main story, but implied of her alternate counterpart in ''Megamorphs #03''.
* HostageSituation: In ''The Conspiracy''.
* MoralityPet: To her parents.
* ParentalNeglect: Or so it appears. In reality, her parents have both made the ultimate sacrifice to protect her.
* QuicklyDemotedWoman: Her appearance in the second book seemed to indicate she would become a much more frequently-recurring character than she did. She only ended up appearing in two other books and actually made more appearances in the infamous television series!
* PromotedToLoveInterest: In ''Megamorphs #03'' she is dating Tobias.
* RecurringCharacter: She appears in ''The Visitor'', ''The Conspiracy'', and ''Megamorphs #03: Elfangor's Secret''.
* WhatHappenedToTheMouse: She and her parents are absent from the ending and it's left unclear whether or not they survived.

!Loren

->''She's a million light-years from her home, Arbron. Confronting species she never knew existed. Suddenly thrust into the middle of an intergalactic war. I think she is very brave.''

The heroine of ''The Andalite Chronicles'' and Elfangor's love interest. [[spoiler:She's Tobias's mother.]]

* ActionGirl: Quite tough for a thirteen-year-old up against the future Visser Three.
* {{Animorphism}}: From ''The Diversion'' on up.
* BackForTheFinale: First appears in ''The Andalite Chronicles'' (which is set before the series and was released early on in the series), then reappears in ''The Diversion'', ''The Ultimate'' and ''The Sacrifice'', three of the last six books in the series.
* BadassNormal: In ''The Andalite Chronicles''.
* BatterUp: She takes on Esplin's Mortrons [[CrowningMomentOfAwesome with nothing but a baseball bat]].
* DisabilitySuperpower: In ''The Diversion'' she is able to master morphing very quickly. The Auxiliary Animorphs later exhibit this same knack, and the Animorphs speculate it may be because they are physically disabled, forcing their minds to become stronger.
* FootFocus: In ''The Andalite Chronicles''. Justified, since the Andalites are a hoofed species and have never seen bare feet before.
* FirstNameBasis: Like most members of the series.
* LaserGuidedAmnesia: Averted, but not completely.
* LittleMissBadass: She repeatedly took on aliens without Elfangor's help--in fact, she had already subdued her Skrit Na abductors when he and Arbron first met her.
* MamaBear: In ''The Diversion''.
* MysteriousParent: [[spoiler:Tobias]] knows pretty much nothing about her except her name.
* PlotRelevantAgeUp: Messing around with the Time Matrix causes her to age a few years prematurely, from 13 to 18.
* PluckyGirl: She's more or less Rachel lite.
* ThrowingOffTheDisability: She's blind and crippled in ''The Diversion'', but is healed by morphing.
* UnexpectedCharacter: While fans had been waiting for elements of her plot to be addressed for quite literally ''years'', no one was really expecting her to pop back into the main story the way she did.
* WhatHappenedToTheMouse: She's curiously absent from the last book.

!Toby Hamee

->''A fool is strong so that others will see. A wise person is strong for himself. The Hork-Bajir will be strong for the Hork-Bajir. That way, when the Yeerks are all gone, we will still be strong.''

The daughter of the first two free Hork-Bajir in generations, Toby Hamee is a seer, a rare anomaly among Hork-Bajir born with genius-level intelligence. Her keen mind and charisma quickly elevate her to leader of the free Hork-Bajir. Generally cautious and levelheaded, she puts the survival and well-being of the Hork-Bajir colony over all else in every situation.

* AChildShallLeadThem: The other Hork-Bajir follow her unquestioningly, despite her age.
* {{Ambadassador}}: After the war's end Toby becomes the official liaison between her people and the United States government.
* AscendedExtra: As leader of the free Hork-Bajir, Toby becomes one of the most important secondary characters.
* BattleCry: Her and her Hork-Bajir have one - "Free or dead!"
* BladeBelowTheShoulder: Like all Hork-Bajir.
* ChildProdigy: As a Hork-Bajir seer, she is easily the most intelligent of her friends and family.
* GenerationXerox: She's basically a female version of her grandfather, Dak Hamee.
* GeniusBruiser: She's a genius pretty much from birth and grows up to be just as tough as any member of her species.
* HerbivoresAreFriendly: Like all Hork-Bajir.
* LaResistance: The free Hork-Bajir, which she leads.
* TheLeader: Type I meets Type IV.
* LineInTheSand: Literally. After the Yeerks find out where the Hork-Bajir valley is located, they plan to storm it and kill everyone. Jake and his friends attempt to explain to Toby that going into battle is suicidal, and to demonstrate his point Jake draws a line in the sand and asks the Hork-Bajir to vote on which course of action is the smartest. Jake's point backfires when every Hork-Bajir votes to fight back.
* NobleSavage: Less so than most of her species, though.
* RapidAging: Due to Hork-Bajir biology she is fully-grown in about the space of two years.
* RebelLeader: An ally to Jake and the other Animorphs, but decidedly independent from them.
* RedshirtArmy: In the last few books, though Toby herself survives.
* SuperpowerfulGenetics: And they're accidental at that!
* YoungerThanTheyLook: During the events of the series she is only a year or two old.

!Queen Soco

->''I will discover the truth, Surface-Dwellers. Have no doubt of that. But I am also a magnanimous queen. Feel free to further explore the Nartec world. We will meet again later. Perhaps.''

Queen of the Nartec, a villainous group of merpeople encountered in ''The Mutation''. She plots to take her people into a war with the surface world, but hasn't reckoned on the Animorphs... or Visser Three.

* {{Atlantis}}: Queen of it.
* TheButcher: Marco dubs her "Queen Psycho."
%* TheCaligula
* ConflictKiller: She and her people are enough of a problem to force a temporary alliance between the Animorphs and Visser Three.
* CruelAndUnusualDeath: Likes having survivors of shipwrecks vivisected and stuffed.
* EvilVersusEvil: She's ambitious, but she really wasn't ready to go up against likes of [[BigBad Visser Three]].
* EvilerThanThou: See above. They never directly encounter one another, but boy does he [[KillItWithFire flash-fry]] a bunch of her troops.
* GodSaveUsFromTheQueen: Blood-thirsty ruler of a dying civilisation, she's enough of a problem to force an alliance between the Animorphs and the Visser.
* GreenRocks: See below.
* ILoveNuclearPower: The Nartec don't have it, thankfully, but it's implied their mutation came out because of radiation exposure.
* KarmaHoudini: She's never mentioned again after ''The Mutation'' so we never learn if she got her comeuppance or not.
* {{Mutants}}: Her and the rest of the Nartec are all mutated humans.
* {{Omniglot}}: Possibly. At the least she speaks English, German, French, Chinese, one of the Scandanavian tongues and (probably) Japanese.
* OurMermaidsAreDifferent: More amphibious. And totally nuts.
* RoyallyScrewedUp: Prtty much a psychopath.
* TakeOverTheWorld: Has delusions of doing this.
* UnscaledMerfolk: Nartec are more humanoid, though weak outside of water.
* VillainOfTheWeek: In ''The Mutation''.
* WhatHappenedToTheMouse: ''The Beginning'' never mentions if the Animorphs dealt with the Nartec post-war like they said they would.
* WickedCultured: She speaks numerous foreign languages and keeps a great museum...of dead people whom she had killed and stuffed.

!General Sam Doubleday

->''See the stars on my shoulder there, son? I'm a major general, U.S. Army. You're a kid who can turn into a bug. I take my orders from the chain of command, and that ain't you.''

A three star-general and the leader of ATF-1 (Alien Task Force One), the U.S. Army's answer to the Yeerk invasion. He doesn't take kindly to Jake and the kids at first, but agrees to help them after he's been brought up to speed.

* AggressiveNegotiations: He has Jake arrested four times before he starts listening to him.
%%* BadassNormal
* FourStarBadass: Well, ''Three'' Star Badass, but still counts.
** Two Star, actually; he's a Major General. Three Star would be Lieutenant General.
%%* LastStand: He leads it.
* TheLeader: Type II.
* OldSoldier: His age is stated as fifty-four years old. It's safe to say he counts.
* RecurringCharacter: He appears in the last two books.
%%* RedshirtArmy
* [[spoiler:SuicideMission: Most of his forces are slaughtered to buy the Animorphs time to take over the Pool ship. The Animorphs manage to save some though, and he attends Rachel's funeral.]]
%%* SupportingLeader
* TheWarRoom: He runs his campaign against the Yeerks out of one. Jake notes that it seems an awful like what you'd see in a movie; old guys chomping cigars, guys in suits and [[TheBigBoard a big map]] (that has his hometown crossed out, [[spoiler:presumably because it isn't there any more]]).
[[/folder]]

-----



2nd Aug '13 8:12:42 PM Tuckerscreator
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* {{Animorphism}}: After she's rescued by the Animorphs, they give her the morphing power. She doesn't keep it very long though.

to:

* {{Animorphism}}: [[spoiler:{{Animorphism}}: After she's rescued by the Animorphs, they give her the morphing power. She doesn't keep it very long though.]]
2nd Aug '13 8:11:25 PM Tuckerscreator
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* [[spoiler:MercyKill: Subverted. After she's rescued in ''The Sickness'', she asks Cassie to kill her so that she doesn't have to starve to death. Instead, Jake lets her become a whale ''nothlit''.]]



* [[spoiler:MySpeciesDothProtestTooMuch: Founds the Yeerk Peace Movement, which allies members who refuse to take unwilling hosts.]]

to:

* [[spoiler:MySpeciesDothProtestTooMuch: Founds the Yeerk Peace Movement, which allies members who refuse to take unwilling hosts. When Visser Three discovers this, he certainly isn't thrilled.]]



%%* ButterflyOfDoom

to:

%%* ButterflyOfDoom* ButterflyOfDoom: [[spoiler:Meddling with history turns out to be too complicated for him. When he tries kill Einstein at Princeton University in 1934, he finds that preventing the United States from being founded resulted in him never immigrated. When he tries to warn the Nazis of the Normandy landings, he finds that the Nazis don't even exist, part of Germany is allied with France, and another German faction arrests him.]]



* DirtyCoward: He spends the whole book basically running from the heroes and flees his host after he's crippled.

to:

* DirtyCoward: He spends the whole book basically running runs from the heroes every time he encounters them and flees his host after he's crippled.



%%* GodwinsLawOfTimeTravel
%%* HitlersTimeTravelExemptionAct
* KillItWithFire: After the Yeerk crawls out of his crippled host, Marco grabs him and throws him into the wreckage of a burning tank, saying his only choices are to starve or burn.

to:

%%* GodwinsLawOfTimeTravel
%%* HitlersTimeTravelExemptionAct
* KillItWithFire: GodwinsLawOfTimeTravel: Subverted. [[spoiler:His actions accidentally caused the Nazis to never be formed.]]
* HitlersTimeTravelExemptionAct: Subverted. [[spoiler:His actions turn AdolfHitler into an insignificant jeep driver who never harmed anybody.]]
* [[spoiler:KillItWithFire:
After the Yeerk crawls out of his crippled host, Marco grabs him and throws him into the wreckage of a burning tank, saying his only choices are to starve or burn.]]



* PsychicStatic: John Berryman Jr. thinks Henry V at Visser Four so much so that the very first thing he does when he finds the Time Matrix is try to change the result of the Battle of Agincourt so that Shakespeare would never be inspired to write it.

to:

* PsychicStatic: John [[spoiler:John Berryman Jr. thinks Henry V ''Theatre/HenryV'' at Visser Four so much so that the very first thing he does when he finds the Time Matrix is try to change the result of the Battle of Agincourt so that Shakespeare would never be inspired to write it.]]



* RetGone: John Berryman Jr's final fate.

to:

* RetGone: [[spoiler:RetGone: John Berryman Jr's final fate.]]



%%* VillainOfTheWeek

to:

%%* VillainOfTheWeek* VillainOfTheWeek: In ''Megamorphs #3: Elfangor's Secret''.



* WhatHappenedToTheMouse: When the Animorphs erase Berryman from history, Visser Four is spared - all that changes in ''his'' history is that Berryman never becomes his host and he never gets the Time Matrix. Despite this, he never appears again.

to:

* WhatHappenedToTheMouse: When [[spoiler:When the Animorphs erase Berryman from history, Visser Four is spared - all that changes in ''his'' history is that Berryman never becomes his host and he never gets the Time Matrix. Despite this, he never appears again.
again.]]
2nd Aug '13 8:01:22 PM Tuckerscreator
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* BlueAndOrangeMorality: She views infestation as just what a Yeerk has to do to gain sense and expand, and that it's no different from a human raising cattle to eat them. [[spoiler:Her mind is eventually changed.]]



%%* NotSoDifferent
%%* PunchClockVillain
* PuppeteerParasite: Aftran

to:

%%* NotSoDifferent
%%* PunchClockVillain
* [[spoiler:MyGodWhatHaveIDone]]: Two different instances.
** [[spoiler:Karen's pleas for freedom, while ignorable, were wearing Aftran down and Cassie's example was the last straw. Thus she's convinced to let Karen free, on one condition.]]
** [[spoiler:Aftran forced Cassie to become a caterpillar ''nothlit'' for Karen to be freed, but changed her mind when seeing Cassie was actually keeping her end of the bargain. She tried her hardest to warn her to demorph, but unfortunately Cassie was too small to hear her.]]
* NotSoDifferent: Invokes this many times during her debates with Cassie, saying infestation is just like humans killing to eat.
* PunchClockVillain: It's not slavery to her, it's just what she has to do to survive.
* PuppeteerParasite: AftranLike all Yeerks.


Added DiffLines:

* SadisticChoice: Set Karen free at the cost of being a blind slug again, or keep her enslaved and live with her sceams in your mind?
** Aftran invokes this upon Cassie by saying [[spoiler:she'll set Karen free if Cassie is trapped in a caterpillar body. If Cassie doesn't do it, then Aftran keeps Karen's body.]]
2nd Aug '13 7:32:44 PM Tuckerscreator
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* ShapeshifterModeLock: Trapped as a Taxxon.

to:

* ShapeshifterModeLock: Trapped as a Taxxon. [[spoiler:Even after the good Taxxons on Earth become anaconda ''nothlits'', there's no hope for him to join them because he already ''is'' a ''nothlit''.]]
2nd Aug '13 7:28:54 PM Tuckerscreator
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%%* EvilTeacher

to:

%%* EvilTeacher* EvilTeacher: Upon finding out Chapman is a Controller, Marco jokes this is why he's so strict.



%%* LastNameBasis
%%* MiddleManagementMook
%%* MookLieutenant

to:

%%* LastNameBasis
%%* MiddleManagementMook
%%* MookLieutenant
* LastNameBasis: Even before he became a Controller, he preferred that people call him Chapman.
* MiddleManagementMook: As the vice principal and key leader of the Sharing, he oversees a lot of the day-to-day infiltration of the Yeerks.
* MookLieutenant: His position is important enough that Visser Three can't risk the real Chapman rebel against his host, as it might cause parents to think Chapman is mentally ill, and thus get fired.



%%* RecurringCharacter

to:

%%* RecurringCharacter* RecurringCharacter: For the first third of the series, and makes a cameo in the penultimate book.



%%* {{Animorphism}}

to:

%%* {{Animorphism}}* {{Animorphism}}: He has morphing power, but didn't use it as often as the Animorphs. This inexperience with it may have been what allowed his death, as the more experienced Animorphs frequently healed from worse injuries than his.
* BackFromTheDead: [[spoiler:Subverted twice. In an alternate Yeerk-controlled future, Jake is surprised to re-meet Elfangor, but it turns out to be Tobias as a ''nothlit'' in Ax's decade-older body. The second time, during Tobias' torture by Taylor, he hears Elfangor's voice in his head and starts seeing his memories somehow passed down genetically.]]



* [[spoiler:EatenAlive: By Visser Three's Antarean Bogg morph]]

to:

* [[spoiler:EatenAlive: By CruelAndUnusualDeath[=/=][[spoiler:EatenAlive]]: Visser Three's Three doesn't just kill him, but [[spoiler:morphs into an Antarean Bogg morph]]and ''eats him'''.]]


Added DiffLines:

* PostHumousCharacter: His actions created the Animorphs, motivated his younger brother, and served as a light to the Andalites and threat to the Yeerks even after his death.
2nd Aug '13 7:07:22 PM Tuckerscreator
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!Prince Seerow

An Andalite Prince who led expeditions to other planets. Once a highly revered leader, he became forever known as a fool after [[spoiler:he gave space faring technology to the newly discovered Yeerks]]. His disastrous actions led to the Andalite Navy passing the law of ''Seerow's Kindness''.

* TheFarmerAndTheViper: [[spoiler:In hindsight, giving advanced weapons and ships to a species that parasitically takes over hosts wasn't all that great an idea.]]
* GoneHorriblyWrong: All he wanted was for all species to travel through the stars together. [[spoiler:Instead he unwittingly unleashed the parasitic Yeerks upon the galaxy.]]
* NiceJobBreakingItHero: And as a result, he became known as the shame of the Andalite people.
* PostHumousCharacter: His actions kicked off almost all the plot, and the law bearing his name becomes increasingly relevant in regards to the Animorphs, who were illegally given their powers.
* PrimeDirective: The Law of Seerow's Kindness states no Andalite should give their advanced technology to less advanced species. [[spoiler:Because that went horribly wrong when tech was given to the Yeerks.]]
* YourApprovalFillsMeWithShame: [[spoiler:The Yeerks consider him "the one good Andalite".]]



%%* DeadManWriting

to:

%%* DeadManWriting* DeadManWriting: During ''The Prophecy'', when she occasionally narrates [[spoiler:from Cassie's body.]]
2nd Aug '13 6:45:28 PM Tuckerscreator
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* FragileSpeedster



* JerkAss: Consistently.
** JerkAssDissonance: He's doing it to [[BigBad Visser]] [[AxeCrazy Three]] though, so really, who cares?

to:

* JerkAss: {{Jerkass}}: Consistently.
** JerkAssDissonance: JerkassDissonance: He's doing it to [[BigBad Visser]] [[AxeCrazy Three]] though, so really, who cares?



* MonsterOfTheAesop: In a book about Rachel learning to deal with her own hubris, who should show up? A villain who's overconfidence enables his defeat.

to:

* LightningBruiser: His defining physical trait.
* MonsterOfTheAesop: In a book about Rachel learning to deal with her own hubris, who should show up? A villain who's whose overconfidence enables his defeat.
2nd Aug '13 3:57:34 PM Tuckerscreator
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%%* EvenMooksHaveLovedOnes

to:

%%* EvenMooksHaveLovedOnes* EvenMooksHaveLovedOnes: The Hork-Bajir Controller Cassie killed at the beginning of the book turns out to be Aftran's brother.



%%* MinionWithAnFInEvil
%%* MookFaceTurn

to:

%%* MinionWithAnFInEvil
%%* MookFaceTurn
* [[spoiler:MookFaceTurn]]: Her time with Cassie and [[spoiler:witnessing her willingly becoming a caterpillar ''nothlit'' convinces her that the Animorphs are not the selfish bigots she envisioned. She subsequently voluntarily frees Karen and later founds the Yeerk Peace Movement.]]



* SapientCetaceans: At the end of ''The Sickness'' she willingly becomes a humpback whale nothlit.

to:

* SapientCetaceans: [[spoiler:SapientCetaceans: At the end of ''The Sickness'' she willingly becomes a humpback whale nothlit.''nothlit''.]]



%%* ShapeshifterModeLock

to:

%%* ShapeshifterModeLock* [[spoiler:ShapeshifterModeLock: She becomes a whale permanently so she'll no longer have to seek Kandrona rays.]]




to:

* [[spoiler:MySpeciesDothProtestTooMuch: Founds the Yeerk Peace Movement, which allies members who refuse to take unwilling hosts.]]
10th Jul '13 4:55:47 PM nighttrainfm
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* SomeoneHasToDie: He agrees to help the Animorphs follow Visser Four through time in ''Megamorphs #03''. In return, he demands that one of their number must die. [[spoiler:Jake ends up biting the bullet, but it [[UnexplainedRecovery doesn't stick]].]]

to:

* SomeoneHasToDie: He agrees to help the Animorphs follow Visser Four through time in ''Megamorphs #03''. In return, he demands that one of their number must die. [[spoiler:Jake ends up biting the bullet, but bullet. Thanks to some time-travel loophole abuse, it [[UnexplainedRecovery doesn't stick]].stick.]]
This list shows the last 10 events of 500. Show all.
http://tvtropes.org/pmwiki/article_history.php?article=Characters.Animorphs