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->''"Maybe it's just me, but I'm not crazy about super hero stories where everything's all dark and moody. Personally, I like the ones where good guys fight giant apes on the moon and stuff. Remember those? I do. That was back when comic book worlds were places you wanted to escape ''to''... not ''from''."''

Doreen Green, better known to comics fans as "Squirrel Girl", is a Creator/MarvelComics character created by Will Murray and Creator/SteveDitko; her first appearance was in a story printed in ''Marvel Super-Heroes'' #8 (dated January 1992).

Despite the silly name, Squirrel Girl is one of the most canonically powerful superheroes in the entire MarvelUniverse. According to [[WordOfGod her official Marvel powergrid]], ''all'' of Doreen's stats are through the roof, putting her at the same level as ''the [[GuardianOfTheMultiverse Living]] [[PhysicalGod Tribunal]]''. Stats aside, her powers include enhanced strength, speed, reflexes, agility, and leaping ability "proportionate to that of a squirrel". She has also small, sharp claws rather than fingernails and retractable knuckle spikes--both principally used for climbing. She can speak with squirrels, who tend to do her bidding because of how well she treats them. Oh, and she has a semi-prehensile squirrel tail.

In her first appearance, she took down ComicBook/DoctorDoom without the help of a nearby ComicBook/IronMan, who refused her request to become his new sidekick earlier that day. Since the art and plot had a [[UsefulNotes/TheSilverAgeOfComicBooks Silver Age]] touch that did not take itself seriously--and because the story was published in UsefulNotes/{{the Dark Age|of Comic Books}} that marked TheNineties--Doreen's debut was essentially a comedic one-off that attracted little attention.

Well over a decade later, scans of comic books on the Internet became commonplace. And once Doreen's debut was scanned and shared, her story gained many more readers. The fact that Doctor Doom was defeated by such a ridiculous character (and in an equally ridiculous fashion), combined with the fact that said defeat was one of the few Doom losses never [[RetCon retconned]] as being ActuallyADoombot, allowed Squirrel Girl to become a popular [[MemeticBadass Memetic Badass]] in Internet fight threads. This was despite her having only appeared once in a story that virtually no one had read before the mid-2000s. She became an [[AscendedMeme Ascended Meme]] in 2005 when Dan Slott put her on the ComicBook/GreatLakesAvengers in the ''Great Lakes Avengers: Misassembled'' mini-series. She did little of note besides being generally cute and fighting alongside a bunch of superheroes who seemed equally as odd as her; if anything, she came off as a NaiveNewcomer.

Her appearance in the ''GLX-Mas Special'' follow-up, however, brought back her most defining trait. In that one-off special, Doreen defeated ComicBook/{{MODOK}}, [[Comicbook/FantasticFour Terrax]], and even ''ComicBook/{{Thanos}} himself'', all while evidence was presented that proved she had already defeated Giganto and [[ComicBook/IronMan The Mandarin]]. She soon began to show up in other comics, cementing her status as an invincible hero by defeating [[Comicbook/IncredibleHulk Bi-Beast]], [[ComicBook/TheMightyThor Pluto]], and even SelfDemonstrating/{{Deadpool}} ("you evil, evil man!"). In the ''[=Deadpool/GLI=] Summer Fun Spectacular'' crossover special, Doctor Doom is shown as being completely afraid to confront her--especially after she infiltrates Latveria ''on her own''.

After working with the Great Lakes Avengers for a while, Squirrel Girl came to the conclusion that she was holding them back from becoming a great team; while she defeated the likes of Fin Fang Foom, they sat around playing cards. So in Marvel's ''Age of Heroes #3'', she announced that [[http://scans-daily.dreamwidth.org/2152108.html she was leaving the GLA and striking out on her own]]. A short two-page item in ''I Am An Avenger #1'' showed Doreen arriving back in [[BigApplesauce New York City]], and in the ''[[Comicbook/TheAvengers New Avengers]]'', she was hired as the nanny for [[ComicBook/ImmortalIronFist Danielle]], the daughter of Luke Cage and Jessica Jones. Since Danielle had been the target of supervillain kidnapping, demonic possession, and other similar threats in the past, someone like Squirrel Girl was necessary to protect the toddler.

Nearly twenty-five years after her first appearance, Doreen finally received her own solo comic: ''ComicBook/TheUnbeatableSquirrelGirl'', written by Creator/RyanNorth and drawn by Erica Henderson. The series starts after Doreen leaves her job as Danielle's nanny; rather than stick around at Avengers Mansion as a freeloader, Doreen enrolls at a local university while juggling her life as Squirrel Girl, her days swinging from attending classes and making new friends to handling all kind of various villains (often by [[TalkingTheMonsterToDeath befriending them]]). After an initial run of eight issues, ''Unbeatable'' was re-launched with a new volume (the cover of the inaugural Volume 2 issue cheerfully announces, "[[BitingTheHandHumor Only Our Second #1 Issue This Year!]]") following ''ComicBook/{{Secret Wars|2015}}''. The series also has its own original graphic novel, ''The Unbeatable Squirrel Girl Beats Up the Marvel Universe'', in which...well, the title really does say it all, here.

During the ''Unbeatable'' era, Doreen became an active member of [[ComicBook/NewMutants Sunspot]]'s [[ComicBook/NewAvengers2015 Avengers Idea Mechanics]]. When ''ComicBook/AvengersStandoff'' split the team up, she--alongside Tippy-Toe, [[ComicBook/YoungAvengers Wiccan, and Hulkling]]--formed their own splinter faction of the New Avengers. After the divided roster reunited during the events of ''ComicBook/CivilWarII'', she remained with A.I.M. during its transition into the [[ComicBook/USAvengers American Idea Mechanics]].

Thanks in part to her surge in popularity as a MemeticBadass, Squirrel Girl has also started to appear in other media: She has a supporting role in the cartoon ''WesternAnimation/UltimateSpiderMan'', and she has made several appearances in Marvel-licensed games, often as a playable character. She is also rumored to be part of the in-development ''ComicBook/NewWarriors'' live-action series.

Do not confuse this Squirrel Girl with fellow squirrel girls [[Webcomic/ElGoonishShive Grace "Shade Tail" Sciuridae]], [[VideoGame/BlazBlue Makoto Nanaya]], [[Literature/WhateleyUniverse Aquerna]] [[note]]Marvel Comics exists in the Literature/WhateleyUniverse more or less the same as it does in real life, so Aquerna regularly gets teased about the similarities between her and Doreen, as well as the massive difference in efficacy[[/note]], the girl squirrel from ''Disney/TheSwordInTheStone'', or the cartoons ''WesternAnimation/SquirrelBoy'' and/or ''WesternAnimation/SecretSquirrel''.

----

[[AC:Notable Comics]]
* ''ComicBook/GreatLakesAvengers'' vol. 1 (2005)
* ''ComicBook/NewAvengers'' vol. 2 (2010 -- 2013)
* ''ComicBook/UnbeatableSquirrelGirl'' vol. 1 (2015)
* ''Unbeatable Squirrel Girl'' vol. 2 (2015 -- present)
* ''ComicBook/{{New Avengers|2015}}'' vol. 4 (2015 -- 2016)
* ''The Unbeatable Squirrel Girl Beats Up The Marvel Universe'' OGN (2016)
* ''ComicBook/USAvengers'' (2017 -- present)

[[AC:Live-Action Television]]
* ''ComicBook/NewWarriors'' (TBA) [[note]]in development; Squirrel Girl is a rumored part of the team[[/note]]

[[AC:Video Games]]
* ''VideoGame/MarvelAvengersAlliance'' (2013)
* ''VideoGame/LEGOMarvelSuperHeroes'' (2013)
* ''VideoGame/MarvelHeroes'' (added in 2014)
* ''VideoGame/MarvelPuzzleQuest'' (added in 2015)
* ''VideoGame/LegoMarvelsAvengers'' (2016)
* ''VideoGame/MarvelFutureFight'' (added in 2016)
* ''VideoGame/AvengersAcademy'' (2016)

[[AC:Western Animation]]
* ''WesternAnimation/FantasticFourWorldsGreatestHeroes'' (2006) [[note]]episode: "The Cure"[[/note]]
* ''WesternAnimation/UltimateSpiderMan'' (2014 -- 2017)

----

!!Squirrel Girl's appearances in various comics cotain the following tropes:

* ActionGirl: She is a superb hand-to-hand combatant capable of taking down Wolverine in a one-to-one no-claws fight.
* TheAdjectivalSuperhero: The Unbeatable Squirrel Girl.
* {{Adorkable}}: This is lampshaded in her ''VideoGame/MarvelHeroes'' bio:
-->"You'd think that young Doreen Green's mutant power was Super-Adorability, but her abilities go far beyond simple cuteness. Her semi-prehensile tail allows her to display amazing feats of agility...well, yeah, that tail IS pretty adorable. How about the empathic bond she shares with squirrels? That's a good power! But, yeah, it's also kind of adorable."
* AndThisIsFor: Squirrel Girl lets her squirrel army defeat a {{mook}} in the name Monkey Joe (whose ghost did not care one bit).
* AnimalThemedSuperbeing
* ArmedWithCanon: In her first appearance, Squirrel Girl defeated Doctor Doom. Another writer showed Doom explaining that it was actually a Doombot. Yet, in ''GLX-Mas'', we are told that she really did defeat Doctor Doom (we are also presented with a new picture, thus hinting that she has defeated Doctor Doom at least ''twice''). And to really hammer in the point, in ''Deadpool/GLI'', Squirrel Girl invades Latveria by herself, and Doctor Doom is afraid to even think about challenging her (with an accommodating statement by Tippy-Toe that since her first victory against Doctor Doom was written in by Creator/SteveDitko, it's fully canon -- "[[TakeThat So deal with it, fanboy]].")
-->'''Deadpool:''' Oh c'mon, those stories can't actually count in continuity!
* ArsonMurderAndJaywalking: While [[{{Deadpool}} the evil, evil man]] fought Daredevil, he warned him about the walking nukes such as the Iron Mans, the Thors, and the Squirrel Girls. And then when he fought Cable, he warned him about the psychos such as himself, Doctor Doom, and Squirrel Girl. This is an inverted trope in that Squirrel Girl ''really is'' that dangerous, but it is also averted in that she rarely causes any sort of collateral damage (and, in her stand-alone series, tries her best to resolve conflicts without resorting to violence).
* AscendedExtra: She went from being a one-shot joke character to an Avenger and a character with her own solo book.
* AscendedMeme: Squirrel Girl's original one-shot appearance became a meme in Internet forums, which led to her becoming a permanent recurring character in the Marvel universe as part of the ComicBook/GreatLakesAvengers.
* AttackAttackAttack: She is perfectly capable of opening up cans of whoop-ass, as Wolverine can attest. And that is without getting to the animal empathy thing (Logan is reasonably wary of the ''army'' of squirrels she summons when he manages to get her in an armlock).
* BadassAdorable: She is positively cute (and positively ''hot'' in Mike Deodato's ''Comicbook/NewAvengers'' run), can talk to squirrels, and can kick more ass than all of Marvel's other heroes combined.
* BadassBoast: While saying goodbye to IronMan:
-->I don't ''need'' luck. I eat nuts.
* BeyondTheImpossible:
** She explains that the actual word ''impossible'' isn't part of her personal lexicon, since she feels that the word is very disempowering.
** Despite her reputation as one of Marvel's most powerful characters, [[ComicBook/MarvelUniverseVsThePunisher an infected]] Luke Cage actually managed to '''''[[ShooOutTheClowns kill her]]'''''. Click [[http://marvel.wikia.com/Doreen_Green_(Earth-11080) here]] for proof.
* BladeBelowTheShoulder: While her knuckle spikes aren't as powerful (or as long) as Wolverine's, she is able to carve through solid wood with them, and her fingernails can cut through reinforced tempered glass.
* BlitheSpirit: Squirrel Girl is upbeat, optimistic, and (justifiably) full of self-confidence. With a few exceptions--mostly criminals who are being punched--people get along well with her.
* CallBack: The new comic book references previous lines from Squirrel Girl:
** In issue 2, she repeats "I don't need luck, I have nuts!"
** Issue 3's cover has her fighting giant apes on the moon!
** In Volume 2 Issue 5, she defeats Doctor Doom again, this time with [[ItMakesSenseInContext a swarm of Squirrel Girls]], in a reference to her original win over Doom using a swarm of squirrels.
* ComicallyInvincibleHero: This is her entire purpose for existing now.
* CrackPairing: [[InvokedTrope Mostly jokingly]], some authors have paired her off with very random characters in {{Noodle Incident}}s, including Wolverine and the Mac Gargan incarnation of ComicBook/{{Venom}}.
* CrouchingMoronHiddenBadass: She is cute. She talks to squirrels. She has also defeated Doctor Doom (twice!), The Mandarin, Giganto, MODOK, Thanos, Terrax, Bug-Eyed Voice, Bi-Beast, Deadpool (twice!), Pluto, Fin Fang Foom, Baron Mordo, Korvac, and Ego the Living Planet.
** She handed Wolverine his ass on a silver platter while sparring.
** She has a standing offer from Galactus to become his Herald.
** She even wielded {{Mjolnir}} and became "Squirrel Thor" in ''The Unbeatable Squirrel Girl Beats Up the Marvel Universe''.
* DarkerAndEdgier: She has her whimsical moments, but her appearances in the main Avengers title are this, from [[http://sketchcardsaloon.files.wordpress.com/2010/12/squirrel-girl-and-wolverine.jpg her hinted affair with Wolverine]], to the [[http://static.comicvine.com/uploads/original/1/15776/1958303-squirrel_girl_28.jpg more dramatic moments]] ever since she came to New York City. Compare [[http://fullbodytransplant.files.wordpress.com/2011/08/prv9420_cov.jpg this cover]] to [[http://fullbodytransplant.files.wordpress.com/2010/09/newsquirrelgirl.jpg this panel]] to see the shift in tone.
** This is reversed completely in ''Unbeatable Squirrel Girl'', where all the darker character traits disappear and she returns to her comedic roots.
*** And [[WordOfGod it turns out]] her sordid history with Wolverine is that he simply stole a cab from her once.
* DeathOfAThousandCuts: Squirrels vs. Doctor Doom.
* DidYouJustPunchOutCthulhu: Squirrel Girl until ''Unbeatable''. Contrast with...
* DidYouJustHaveTeaWithCthulhu: Squirrel Girl's usual methodology in ''Unbeatable''.
* TheDreaded: Doctor Doom has shown great fear in having a rematch with her--though, after their [[MemeticMutation legendary first tussle]], can you really blame him?
** She has been canonically referred to as "The Anti-Life" and "The Slayer Of All That Breathes".
* DoubleEntendre: She carries around nuts for her squirrel friends in "nut sacks" on her utility belt.
* FastballSpecial: She threw Tippy-Toe at M.O.D.O.K. this way. She even called it "the Fuzzball Special". [[ShoutOut Alley-Oop!]]
* {{Flanderization}}: Her infamous defeat of Doctor Doom was accomplished by a creative use of her powers--that is, she commanded an army of squirrels to sabotage all of his equipment from the inside. Thanks to MemeticMutation, she became able to beat everyone, even Thanos, by creative power uses or just punching them (usually off panel). This is very much PlayedForLaughs, though.
* FunPersonified: She is arguably the flagship character of this trope. Considering [[DysfunctionJunction the rest of the 616 universe]], this is what makes her really [[MoodDissonance out of place]].
* GoofyPrintUnderwear: In one issue of his own comic, [[{{Deadpool}} the evil, evil man]] is looking for his Squirrel Girl underwear.
* GotTheCallOnSpeedDial: Squirrel Girl's greatest ambition has always been to use her powers to help mankind. And squirrel-kind. At the age of 14, Squirrel Girl attacked Doctor Doom in order to become Iron Man's sidekick. As a slightly older teenager in New York, she helped the police by catching muggers in Central Park. She joined the ComicBook/GreatLakesAvengers without giving it a second thought. She seems to have ''no'' emotional baggage about fighting crime or being abnormal. (This puts her in a substantial minority in the Marvel Universe.)
* GreekChorus: [[FourthWallObserver Fourth Wall Observers]] Monkey Joe and Tippy-Toe (and even Squirrel Girl herself) discuss and use Tropes such as ArmedWithCanon, BitingTheHandHumor, DigitalPiracyIsEvil, StuffedInTheFridge, and ThisLoserIsYou.
* GuileHero: Most notably in her own series, where her victories are actually seen by the readers; all to often, she does so by TalkingTheMonsterToDeath. Not that she can't do it the old fashioned way if she has to.
* HeartIsAnAwesomePower: She gets a lot of mileage out of "communicate with squirrels". It may seem stupid at first, but once they manage to take out Doctor Doom...
* HypocriticalHumor: In her ''I (Heart) Marvel'' appearance, Squirrel Girl accuses The Bug-Eyed Voice of committing a criminal offense because he is stalking Speedball. She does this while ''she'' is occupied in stalking Speedball.
* ImagineSpotting: She can read Deadpool's little yellow boxes.
* ImpossibleTaskInstantlyAccomplished: Just ask Thanos.
* InASingleBound: She can leap several stories up into the air.
* InformedAttribute: Her alleged power level is this. She never actually displays powers beyond her increased (but still lower than, say, Spider-Man) strength and agility, her knuckle spikes, and her ability to talk with squirrels. She gets an amazing amount of mileage out of the squirrel control, but any villain that cannot be beaten by having a small, furry critter wriggle under their armor is often beaten offscreen (if at all; she has not [[MemeticBadass actually]] appeared enough to be a true "power player" in the Marvel universe).
* InvincibleHero: This has been the central gag behind Squirrel Girl's existence after her resurrection in ''Great Lakes Avengers: Misassembled''. But various writers have played with the notion more than once.
** The closest she has ever come to defeat was failing to convince Robbie "Penance" Baldwin to return to being Speedball. [[note]]This is unsurprising, though--when is the last time you talked someone out of a traumatic drug-induced-and-reinforced psychosis?[[/note]]
** In ''Unbeatable'', Doreen often avoids fighting an opponent to stop them. She is a big believer in ThePowerOfFriendship and has stopped numerous substantial threats by considering their point of view, [[TakeAThirdOption offering other options,]] and generally treating them like reasonable people. (Galactus is invulnerable to all conventional forces, but he is still open to reason.) This kind of bait-and-switch alternates with more conventional victories--she does still have to punch villains sometimes--so you never know what kind of victory she will get.
* IronicEchoCut: Squirrel Girl's victory over Thanos, who possessed the power to screw the Multiverse.
* LampshadeHanging: She is a universe-wide (or even genre-wide) lampshade, telling how ridiculous comparisons between heroes or villains are, and the power levels are moot before the whims of the writer of the current story.
* LethalJokeCharacter: She seems harmless at first, but seriously examining the entirety of her ComboPlatterPowers makes her reputation disturbingly plausible, even with the most cynical interpretation:
** She herself has a well-stocked AnatomyArsenal of FemmeFatalons, BladesBelowTheShoulder, [[NowThatsUsingYourTeeth a devastating bite]], PrehensileTail, and the proportional [[CombatParkour agility]], [[LightningBruiser strength]] and [[DodgeTheBullet reflexes]] of a squirrel.
** There are hints that her fuzzy friends may be able to serve as {{Animal Eye Spy}}s for her--at the least, they can report back information. And huge numbers of them live [[TheOmniscient in every major city and on every continent but Antarctica]].
** The squirrels that she has control of only seem silly until one has encountered the tiny raging terror of a [[KillerRabbit rabid squirrel]]. They can climb nearly any textured or penetrable surface. They can jump over two meters in a single leap. They are built to survive falling dozens of times their own height from trees without harm. They are often considered destructive pests because the same jaws they use to [[CuteBruiser crack walnuts]] can chew through things like [[ExtremeOmnivore aluminum siding, metal cables and wiring, and support beams]]. And since Doreen can control [[TheSwarm an entire army of squirrels]], imagine a horde of inescapable living bolt cutters working as a [[HiveMind coordinated, intelligent unit]]. When Dr. Doom has nightmares, that idea is what they are about.
* LittleBitBeastly: Doreen herself qualifies, being human with pronounced squirrel-like features.
* MasterOfAll: ComicBook/SquirrelGirl's official ratings have [[http://marvel.com/universe/Squirrel_Girl every stat maxed out]]. It is a RunningGag that she keeps defeating Marvel's most powerful villains, including cosmic entities such as Galactus, either off-camera or in ridiculous ways. Often with the help of squirrels.
* MediumAwareness: Squirrel Girl is fully aware that she is in a comic book; due to contractual issues, she is only allowed to break the fourth wall during the recaps. But Monkey Joe and Tippy-Toe didn't sign any contract (why would they?), so for them, there is no fourth wall.
* {{Mutants}}: Doreen claimed to be a mutant in her first appearance. ''Unbeatable'' [[RetCon retconned]] this to put her in the same "accidentally received powers" category as, say, Spider-Man or the Fantastic Four.
* NonHumanSidekick: While Doreen can talk to any squirrel she wants, her longtime sidekick is Tippy-Toe, who got the job after Monkey Joe's death in ''Great Lakes Avengers: Misassembled''.
* NoodleIncident: Aside from her various scorecards against prominent villains, ''New Avengers'' showed that Doreen has an unspecified "past" with {{Wolverine}}, of all people. In that appearance, the two of them refer to each other by their [[FirstNameBasis given first names]], and Logan reminds her "we promised never to see each other again".
** In a letters column on ''Unbeatable'', Ryan North "explained" that she was mad at him for stealing a cab from her. Take that as you will.
* OddFriendship: "Odd" is an understatement after Squirrel Girl befriends ''Galactus, Devourer of Worlds''.
--> '''Galactus:''' [[AC: I like you, Squirrel Girl. You don't fear me. In all my travels, you are the first to approach me...as a peer.]]
--> '''Squirrel Girl:''' I like you too, Galactus.
* OffscreenMomentOfAwesome: Most of her victories are off-panel and we only see the results, not the actual fights. At least until ''Unbeatable'', anyway.
* ParodySue: Squirrel Girl has stats up to PhysicalGod level and villains of the caliber of Doctor Doom fear her, yet most of her victories are off-screen and her superpowers are based on squrriels.
* ProgressivelyPrettier: In her first appearance, Squirrel Girl looked...really weird. Her art has flip-flopped a lot thanks to being drawn by a number of different artists, but she is generally depicted as being ''much'' cuter than she looked in her first appearance. This is lampshaded in an issue of ''Unbeatable'' that shows a brief flashback to her first appearance. She concludes that everyone makes questionable fashion choices at fourteen.
** The general trend is reversed in ''Unbeatable''--Erica Henderson draws Doreen as round-faced, buck-toothed, and with a much chubbier physique than is usual for superheroines.
* PettingZooPeople: Squirrel Girl is the squirrel equivalent of a CatGirl.
* [[RageAgainstTheAuthor Rage Against The Readers]]: Squirrel Girl was upset with all of ''us'' after Monkey Joe's death.
* {{Reconstruction}}: What would you call a Silver-Age-appropriate character in the age of {{Deconstruction}}?
* {{Retcon}}:
** Her knuckle spikes have not been seen or mentioned after her first appearance in 1991.
** ''The Unbeatable Squirrel Girl'' has ignored her mutant origins, instead saying multiple times that she has "partially squirrel blood". It has been speculated (but not confirmed) that this particular retcon was the result of the ongoing feud between Fox (who currently controls the X-Men film rights) and Marvel.
** ''Unbeatable'' also did away with the "her lips taste like hazelnut" attribute mentioned in her ''I (Heart) Marvel'' appearance.
--> '''[[http://www.themarysue.com/interview-squirrel-girl-ryan-north/ Ryan North]]:''' It just strikes me as such a sexualized thing to attach to the character. Like, do Spider-Man's lips taste like insects? We don't know, because nobody cares. I think there's a lot more really interesting things to talk about when you talk about Squirrel Girl than what this woman's lips taste like.
* RuleOfFunny: This is literally the reason she can get away with being so overpowered.
* ShowyInvincibleHero: Particularly her squirrels, who like to discuss how she manages to surpass unbelievable odds.
* SecretIdentity: In ''Unbeatable'', she does a horrible job of hiding her civilian identity, yet one of her biggest fears is that someone will make the connection despite her efforts. This is played for laughs in ''Deadpool: Too Soon'', where Deadpool tries to hold this secret over her for blackmail...only for everyone else in the room to say they'd already figured it out--including The Punisher, Rocket Raccoon (who had never met Doreen before), and Spider-Ham ([[UpToEleven who isn't even from their dimension]]).
* SerialEscalation: She used to be prone to this on a habitual basis. ''Unbeatable'' took her in other directions, but not before she had made some of Marvel's BiggerBad types feel pretty silly.
* SpeaksFluentAnimal: There is a certain species of animal she can communicate with. Can you guess which one? In ''All-New Wolverine'', she is surprised to learn that other AnimalThemedSuperbeing types cannot do the same with ''their'' namesakes.
* SpotlightStealingSquad: This is both acknowledged and mocked when she decided to leave the GLA. With her around, the other Great Lakes Avengers never saw any action--or screen time--because her MemeticBadass status had grown to the point where they played cards while she defeated such uber-baddies as Fin Fang Foom, Baron Mordo, and Ego the Living Planet. Doreen felt she had been "holding back" the team as a result, and thus she returned to New York.
* SquirrelsInMyPants: This is the basic tactic behind her first big victory. She still uses it from time to time.
* StalkerWithACrush / StalkingIsLove: These are arguably the best way to describe Squirrel Girl's crush over [[ComicBook/NewWarriors Speedball]]. She defeats his enemies for him, she breaks into dungeons for him, she invades sovereign countries for him, she even travels through time for him. Her fan letters to him are screened by the FBI! And ignoring that time when he was too deep for her (Doreen is not a fan of Penance), he has responded to her crush with what seems like equal attraction. (At the very least, she got a kiss from him.)
* SuperCuteSuperPowers: Squirrel Girl can summon a flurry of squirrels to ZergRush an opponent. They're so fluffy! And cute! And ''oh god they're everywhere''!
* SuperSpeed / SuperReflexes: Squirrel Girl has has the proportionate speed, agility, and [[SuperReflexes reflexes]] of a squirrel.
* SuperStrength: She is strong enough to lift twenty-five tons. ([[AsStrongAsTheyNeedToBe Possibly more]], seeing as that would not "max out" her stats as another source claims.)
* TakeOurWordForIt: For many years after her initial (justified) victory, every takedown of a top-tier villain fell into this category. Now that she has her own book (and has been in several others), writers have generally found ways for her to outfight, outsmart, distract, or even befriend her opponents.
** In ''The Unbeatable Squirrel Girl Beats Up the Marvel Universe'', her own "jerky clone" (as opposed to her evil clone), who has all her power and none of her restraint, is shown taking down a number of top tier heroes and villains in a variety of creative ways. The "jerky clone" was last seen beating up Annihilus in the Negative Zone.
* TakeThat: In a number of her pre-''Unbeatable'' appearances, Squirrel Girl's dialogue and surrounding plot points were aimed at whatever the writer found annoying about comic books at the time (e.g., the escapism quote above, Batman's in-universe status as an urban legend, etc.). And just to make sure no one missed the reference, her squirrel sidekick pops up in a cut-out panel to [[DontExplaintheJoke state outright]] [[BreakingTheFourthWall what it meant]].
** Penance--the DarkerAndEdgier post-Civil War persona of Robbie "Speedball" Baldwin--was a particular sore point. She tried to convince him he was not at fault for the events leading to Civil War by citing all the other stuff that other heroes have done that was so much worse (but managed not to get blamed for). Robbie yelled at her for not understanding his pain, and eventually smashed his (helmeted) head into a wall over and over to show off how "deep" he had become. As pointed out above, Doreen is not a fan of Penance.
* TimeTravel: Doreen once tried to travel into the past so she could stop ComicBook/CivilWar from happening (and thus stop Speedball from becoming Penance). Somehow, she traveled into the future. This bit doubles as [[MythologyGag a very sly reference]]: When Squirrel Girl tries to travel to the past, she sets the time machine to take her to "Speedball's second to last coordinates" (i.e., the last time Speedball was Speedball prior to the events of Civil War). Prior to Civil War, Speedball's last appearance in a Marvel comic ''was in a comic set in the year 2099''.
** It also creates a CrowningMomentOfFunny when she goes to Latveria so she can borrow Doctor Doom's time machine. Doom just sighs and points her to the room, not even bothering to try and stop her.
** She also time traveled in ''Unbeatable'', this time to face off against Doctor Doom (again). This is not the one of ''her'' present-day time period, where Doctor Doom is acting ReformedButNotTamed--this was a Doctor Doom who had time-travelled forward from ''minutes'' after she first defeated him.
*** This adventure also identified and sealed a plot hole in the Marvel Universe. It's well established that Doom mastered time travel in the early Silver Age. Why hasn't he taken over the world via time travel shenanigans? It's because this adventure left a retirement-age Squirrel Girl in the 60s with Doom. Every time he attempts to use his time platform maliciously, she drops by to blow up all his Doombots. this was shown in a cameo in ''ComicBook/TheUnbelievableGwenpool''
* VagueAge: Doreen was originally 14 (the art made that hard to tell!), but now her age is intentionally left vague. In ''Unbeatable'' Volume 2, she is a second-year computer science student in college, which probably makes her 19 or 20 years old.
* WeakButSkilled: She can also [[WhatKindOfLamePowerIsHeartAnyway talk to squirrels]]. She has retractable knuckle spikes that can slice wood and sharp claws on each finger. And she has has the proportional speed, strength, and agility of a squirrel. Despite appearing to be a ridiculous character, Squirrel Girl has taken down numerous Marvel powerhouses--including Thanos and Galactus--by [[WeaksauceWeakness exploiting their one weakness]], being just that good, or having PlotArmor. (Or by befriending them, as of ''Unbeatable''.)
* WolverinePublicity: She was utilized in this capacity for a guest appearance in ''AllNewWolverine'' #7.
* WorldsStrongestWoman: Her SuperStrength is fairly impressive, but it is far from the greatest on Earth, let alone within the entire Marvel Universe. In a much broader sense, however, she can safely be called this.
* XanatosGambit: She may have been strangled by that E-List Mook during the big brawl in ''Great Lakes Avengers: Misassembled'' #4, but that was just to position him where she wanted him to be so the squirrel army could avenge the murder of Monkey Joe. She could have defeated him herself, but [[ItsPersonal it was personal.]]
** In an issue of ''Unbeatable'', Doreen allows one of Mole Man's giant monsters to stomp on her several times. She could have defeated the monster, but she let the stomping happen so Mole Man would redirect his affections toward the monster--and away from Squirrel Girl, for whom Mole Man had become a StalkerWithACrush.

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