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->''"Who hasn't wanted to be a superhero? Everyone's fantasized about donning a costume and using their powers to uphold justice (or make mischief). In Metro City, superheroing isn't a daydream, it's a career path. The hard part isn't acquiring powers, it's getting through all of the red tape in the superhero industry. And it all looks so easy in the movies..."''

''[[http://sidekickgirl.net Sidekick Girl]]'' is a webcomic by Lore Cascos & Erica Wagner. The main character is Valerie Upton, a fledgling professional sidekick, assigned to the heroine Illumina. The comic deals mainly with Val and her fellow sidekicks as they fight together and commiserate about their assigned heroes together.

Not to be confused with the Korean webtoon ''Webcomic/{{Sidekicks}}'', despite the similar name and premise.
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!!Sidekick Girl contains examples of the following tropes
* AlternateUniverse: In another universe Val and Mack are both [[spoiler: legendary heros (as in, Val is not Mack's sidekick) with religions based around them, and are far more powerful than their respective counterparts]]. Alternate Val is also far ruder and more blunt than normal Val, and does not hesitate to state how much more inferior she is to her.
* AmbiguousGender: Chris
** As it turns out, this is part of his power: He causes confusion in others.
* AwesomeByAnalysis: while it's not an actual superpower, Val is obsessed with finding ways to turn relatively minor or secondary powers into massive tactical advantages just by overthinking them. This starts with parlaying her D-list healing factor into a career as a bruiser by knowing exactly how all-out she can go and still recover, and scales up from there as other heroes start to trust her judgement of what they can do above their own.
* BadassBoast: [[CastingAShadow The Dark]]'s response to the [[MarionetteMaster Dollmaker]]'s statement that she isn't powerful enough to defeat all of his dolls.
-->'''The Dark''': Actually... I really kinda am.
* BadassPreacher: Not only is Mark pretty well built for a priest, but he also takes out a goon offscreen.
* BastardUnderstudy: Isauro/Coldfire, technically.
* BatterUp: Val's weapon of choice, [[ICallHerVera "Mr. Bat"]].
* {{BFG}}: Val's ''other'' weapon of choice. Doesn't have a name, [[MoreDakka doesn't need one.]]
* BlessedWithSuck: Val cannot die, but can be horrifically wounded. Thankfully, she heals at an accelerated rate.
** It seems she ''used to'' heal at a normal rate, though, making it exponentially more sucky back then.
** Illumina believes this about her own powers, saying they are nothing more than a distraction, especially when comparing herself to her parents or brother.
* BlackAndGreyMorality: The Villain Agency supervisor is named Agent Black. The Hero Agency, which falls short of making effective crimefighting its top priority and comes down hard on crimefighters who don't play by its artificial rules has an Agent named not White, but Grey.
* CallingCard: The Vigilante leaves messages on post-it notes on villains he beats.
* CrouchingMoronHiddenBadass: ''[[SuperZeroes Illumina]]'', [[DumbBlonde of all people]]. When she meets [[FallenHero Sparkle]], the [[FaceHeelTurn sidekick who betrayed her]], the first thing she does? Punch Sparkle really hard in the face. [[RulesLawyer She even learned the rules in regard to this sort of thing, to put her in the legal clear]].
* DatingCatwoman: Val's budding relationship with villain sidekick, Isauro.
* DumbBlonde: Illumina. Her boyfriend, Maelstrom, is supposedly even dumber.
* FaceHeelTurn: Sparkle, as a result of her being fed up with Illumina.
* FightsLikeANormal: Many characters don't have powers useful in melee (or simply don't have useful powers, period), and so they do this. Val is the most notable example, but Chris fights with tonfa and Sparkle tries to pepper-spray the Vigilante (not that it works).
* ForScience: The Coroner's MO. He's dissecting anyone with powers to see how they work.
* FreakyFridayFlip: Ilumina and Sidekick Girl end up with one of these. Sidekick Girl turns out to be able to accomplish more with Ilumina's powers than Ilumina ever did with maybe a week of practice.
* GeniusBruiser: Val. Skipped on a full-ride scholarship to MIT to go to superhero school, and "Bruiser" is pretty much her job. ''Especially'', when compared to Illumina.
* GravityMaster: Ilumina has slight anti-gravity powers, allowing her to float. [[spoiler: Her brother Declan has much more powerful abilities, and is able to increase gravity, pinning enemies to the floor.]]
** [[spoiler: Illumina appears to have an even stronger version of her brothers gravity powers. Once Delcan pisses her off enough to break through her mental block, she wipes the floor with him in one blow.]]
* GroinAttack: Isauro deals one to a goon for no particular reason, [[LampshadeHanging lampshaded]] by Mark.
* HeroicBuild: Not just a cliché, but one deciding factor of whether a person is a hero or a sidekick is whether or not [[MostCommonSuperpower she looks good in spandex and fills a D-cup bra]] (for women), or are tall, thin, and well-built (for men). Skill, power and/or [[BeleagueredAssistant intellectual superiority]] is not a determining trait, though an interesting origin story helps.
* HitMeDammit: Shield asks that Val hit him hard so that his powers kick in and make him smarter so he can [[spoiler:figure out how a bunch of Hibernation pods work to get the kidnapped heroes out of them]].
* HypercompetentSidekick: The basic theme of the comic. Val is a ''much'' more competent fighter than Illumina.
* IDidWhatIHadToDo: Poison, verbatim, after [[spoiler:murdering The Coroner.]]
* ICallHerVera: Mr Bat, and its successor, Mr Bat II.
* IHatePastMe / FutureMeScaresMe: Val and her [[spoiler: alternate]] future counterpart don't really like each other, as the result of Future Val having [[TookALevelInJerkAss taken a level in jerkass]]
* InformedAttribute: Val is supposed to be a genius mechanical engineer, good enough to have been offered a full scholarship to MIT. She has yet to do anything with that talent.
** This is an invoked trope - Val consciously decided that she had no real desire to pursue the profession, training or not. Most of her character is based around _forcing_ herself into the role of bruiser superhero by willpower, effort, and practice even though her actual powers aren't particularly useful for it. She is intentionally neglecting her engineering expertise for the same reason that she willfully ignores the fact that she has the proportional strength and speed of a 5-foot woman.
* INeedToGoIronMyDog: Isauro's response to discovering Val is about to be trapped by his villain is: [= "IGottaGoToTheBathroomTakeMyLunchBreakPickUpMyMotherUpAtTheAirportTheUnionRulesAreABitchSeeYouLaterBye!"=]
* JerkAss: [[spoiler: Alternate reality Val. She's deadpan, sarcastic, rude and outright tells Val she's not important in any way.]]
** JerkassWoobie: This is implied to be partially due to seeing ''centuries'' of friends and family die while she is immortal.
* LaserGuidedKarma: What happens to Dr. Wright (A MadScientist obsessed with purging left-handedness from the world). The surgeons had to amputate his right arm, causing him to snap and end up in an insane asylum.
* LetsGetDangerous: Illumina is normally a [[SuperZeroes Super Zero]], but when she's motivated enough she's got quite a powerful punch.
* MinionWithAnFInEvil: Isauro is a pretty nice guy who [[spoiler:is a wanted man for unintentionally allowing a villain to kill a lot of people, and has to be a villain to keep from getting deported to his home country]].
* NeverLiveItDown: Invoked in-universe. Illumina has a rep for getting her sidekicks killed. Only one Val's predecessor actually died.
** And that death was due to a voluntary HeroicSacrifice on Marina's part, not anything Illumina did.
* NighInvulnerability: Shield's powers. He can take any hit and not only avoid damage but also use that energy to make himself stronger, faster, tougher and smarter. He still doesn't know how that last one happens.
* NotGrowingUpSucks: Forever Boy, another of Illumina's former sidekicks. The strain of being a 40-something (with an active sexual appetite) stuck in the body of a 12-year old eventually drove him insane.
* PersonOfMassDestruction: The Dark, and presumably the Vigilante, since they seem to have the same powerset. [[spoiler: Declan, as a GravityMaster, is also one]].
* ThePiratesWhoDontDoAnything: Shield just plays the NintendoDS while Sword does all the work. This is because Sword just got a power upgrade and ''is'' doing all the work himself.
* PunchClockHero[=/=]PunchClockVillain: Most of the main cast. Granted, the heroes and sidekicks are in it for more than just the paycheck.
* RoaringRampageOfRevenge: Poison carving his way through the criminal underworld, searching for The Coroner, who murdered his sister.
** [[spoiler: Illumina/Mackenzie's brother [[BackFromTheDead Delcan]] goes through Metro City destroying all the Hero and Villain agency buildings because he feels his heavily scarred appearence prevents him from working as a hero saying that his face doesn't "inspire the public. Or sell t-shirts."]]
* Rule63: A gender-reversed alternate universe is shown. [[spoiler: Clockwork Joe's head is sent there, and later returned.]]
* SidekickGlassCeiling: If you don't look the superhero part, you're a sidekick. You can ''sometimes'' compensate for it with an interesting origin story, but that's it. Apparently, sidekicks can go through a process to become full heroes if their mentors vouch for them.
** One minor character signed up as sidekick to an aging hero with the understanding that the hero would sponsor the sidekick to become a hero when he retired (And the expectation that that Thunder would retire in 5 years or so). Twenty years later, Thunder is still on active duty, meaning that Lightning Lad is stuck working for him as a sidekick (Thunder won't even let him choose a more mature alias).
* SelectiveObliviousness: Illumina and Maelstrom are lovers in their civilian [=IDs=]. Neither knows the other's superhero ID - despite Val dropping hint after hint to them (and outright telling Illumina). Val eventually gets through.
* ShowerOfLove: With bonus GodivaHair.
* SuperheroOrigin: One of two deciding factors for whether you're a superhero or a sidekick. Val is a sidekick because she looks like a fighter instead of a porn star and her origin story amounts to "I was hit by a car as a child and realized I could survive anything and eventually heal from it", despite being competent, being a great fighter and having a power that's incredibly useful despite its BlessedWithSuck elements.
* SuperheroSchool: Essentially college. (Val went to the equivalent of a community college, as she was paying her own way.)
* SuperZeroes: Brains aren't required to look good in spandex.
** However, Illumina's first sidekick, Sparkle, was a girl who met the rather shallow requirements for being a hero but did so badly in SuperheroSchool that she was demoted to sidekick. Given some of the people who made hero, that's quite an accomplishment.
*** Granted from we know of her, it might has been less because of her brains and more because of her ethics. (She up and ditched Illumina in a fight, joined the Villian Agency as a cat burgar, and the only she made to her costume (which seems like a requirement from the villians) was adding a corset).
* TakeThat: To Liefeld-esque costumes during the ''Measure of A Hero'' mini-arc.
* TakingTheBullet: The fate of Illumina's late sidekick Marina.
* TheUnfavourite: Mack/Illumina is the unfavourite compared to her dead brother Declan, who had the actually useful powers out of the two. Her parents are two highly successful and prominent heroes who wanted a grand legacy of super heroics, when Declan died so did their dream since now all they had was Mack who cant float higher than she can stand. Whenever they are in town all they seem to do is tell her to do better and mope that Declan isn't alive. Making her feel like they would have preferred she had died instead of him.
* ThisLooksLikeAJobForAquaman: Illumina is the only person who can stand against [[spoiler: Declan]]- because her floating power counters his usual trick of pinning his enemies to the floor with his GravityMaster powers.
* TrappedInVillainy: Isauro. Wanted Dead in his home country and only working for as a henchman lets him keep his visa.
* TomboyAndGirlyGirl: Val and Illumina, for a certain interpretation of "girly".
* TooDumbToLive: Clockwork gets killed because he stared down the barrel of his malfunctioning ray gun.
* UtopiaJustifiesTheMeans: Dr. Wright's plan to create the perfect world by eliminating left-handedness.
** The stupidity gets better. He himself is left handed.
* WeirdTradeUnion: The Superhero Agency and its unnamed EvilCounterpart.
* [[WellDoneSonGuy Well Done Daughter Girl]]: Illumina wants to make her parents proud of her, and feels like they are disappointed that she can't replace their dead son as their legacy since he had 'real' powers while all she can do is glow and float slightly.
* WhatKindOfLamePowerIsHeartAnyway[=/=]HeartIsAnAwesomePower: Illumina's only powers are hovering and creating light -- not even lasers or anything, just regular light. However -- as Val demonstrates when they switch bodies -- in the hands of someone competent, this allows her to fall from any height safely and act as a living flashbang grenade.
** Illumina is the only one able to stand up to [[spoiler: her brother Declan]], as he's a GravityMaster, and Illumina's floating power means that she's literally the only one able to stand up.
** Also, Sparkle's [[EverythingsBetterWithSparkles sparkles]]. The one time we actually see her use her power, it just annoys her opponent, and she immediately resorts to pepper spray in an actual fight.
* WhoWantsToLiveForever: The Dark. Watching generations of friends and family die is pretty hard on her emotional stability. After seeing what that did to her, Val is honestly glad that while her own regenerative powers slow her aging, her expected lifespan (Barring illness or spectacular injury) is unlikely to be more than a decade or so longer than a normal human's.
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