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* TheBusCameBack: In the official trailer the campers are seen in a blink-and-you'll-miss-it
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* TheBusCameBack: In the official trailer for ''Chaos Theory'' the campers are seen in encountering a blink-and-you'll-miss-it ''Tyrannosaurus'' who looks exactly like Big Eatie, indicating that she and the other animals on Mantahcorp island will somehow be brought to the mainland.
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** There are no "Water Hole Truces" in nature. Predators not attacking prey around water sources usually only happens when both parties are extremely desperate-- in severe droughts, for example. In a lush, wet environment like Mantah Corp's island, a predator would see no need to hold back, and would attack any prey animal that came near it. In fact watering holes are prime hunting territory most of the time as prey are potentially distracted when drinking. Herd animals frequently only drink when they have sentries keeping an eye out for ambushes.
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** There are no "Water Hole Truces" in nature. Predators not attacking prey around water sources usually only happens when both parties are extremely desperate-- in severe droughts, for example. In a lush, wet environment like Mantah Corp's island, a predator would see no need to hold back, and would attack any prey animal that came near it. In fact watering holes are prime hunting territory most of the time as prey are potentially distracted when drinking. Herd animals frequently only drink when they have sentries keeping an eye out for ambushes. At the very least the circumstances are potentially justified in this specific and isolated semi-domesticated ecological situation because the Eaties and the other carnivores are being provided with a steady supply of meat by Mantahcorp and thus have no need to hunt the herbivores.
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* TheBusCameBack: In the official trailer the campers are seen in a blink-and-you'll-miss-it
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'''[[center:[-[[Characters/JurassicParkOtherOrganizations Other Organizations]] | [[Characters/JurassicParkOther Other]] | [[Characters/JurassicParkPrehistoricAnimals Prehistoric Animals]] ([[Characters/JurassicParkHybrids Hybrids]], [[Characters/JurassicParkNonDinosaurs Non-Dinosaurs]], [[Characters/JurassicParkOrnithischians Ornithischians]], [[Characters/JurassicParkTheropods Theropods]] [''Tyrannosaurus'' ([[Characters/JurassicParkRexy Rexy]]), ''[[Characters/JurassicParkVelociraptor Velociraptor]]''])-]]]'''
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'''[[center:[-[[Characters/JurassicParkOtherOrganizations Other Organizations]] | [[Characters/JurassicParkOther Other]] | [[Characters/JurassicParkPrehistoricAnimals Prehistoric Animals]] ([[Characters/JurassicParkHybrids Hybrids]], [[Characters/JurassicParkNonDinosaurs Non-Dinosaurs]], [[Characters/JurassicParkOrnithischians Ornithischians]], [[Characters/JurassicParkTheropods Theropods]] [''Tyrannosaurus'' ([[Characters/JurassicParkRexy Rexy]]), [''Tyrannosaurus'', ''[[Characters/JurassicParkVelociraptor Velociraptor]]''])-]]]'''
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!!!'''Appearances:''' ''Film/JurassicPark'' | ''Film/JurassicWorld'' | ''Literature/TheEvolutionOfClaire'' | ''Film/JurassicWorldFallenKingdom'' | ''WesternAnimation/JurassicWorldCampCretaceous'' | ''Film/JurassicWorldDominion''
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!!!'''Appearances:''' ''Film/JurassicPark'' ''Film/{{Jurassic Park|1993}}'' | ''Film/JurassicWorld'' | ''Literature/TheEvolutionOfClaire'' | ''Film/JurassicWorldFallenKingdom'' | ''WesternAnimation/JurassicWorldCampCretaceous'' | ''Film/JurassicWorldDominion''
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-->-- '''Jurassic World website'''
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-->-- '''Jurassic World website'''
website''' [~57 kN in metric]
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For more on Rexy, see her character page [[Characters/JurassicParkRexy here]].
[[/folder]]
[[folder:The ''T. rex'' Family]]
!!''Tyrannosaurus rex'' Family ("Buck", "Doe", "Junior")
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/img_5480.JPG]] [[caption-width-right:350:''"Mommy's very angry..."'']]
!!!'''Appearances:''' ''Film/TheLostWorldJurassicPark'' | ''Film/JurassicWorldDominion''
->''"All I want in return for my services is the right to hunt one of the ''Tyrannosauruses''. A male, a buck only."''
-->--'''Roland Tembo'''
A [[ExactlyWhatItSaysOnTheTin family of]] ''[[ExactlyWhatItSaysOnTheTin T. rexes]]'', consisting of a father, a mother, and a baby.
[[/folder]]
[[folder:The ''T. rex'' Family]]
!!''Tyrannosaurus rex'' Family ("Buck", "Doe", "Junior")
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/img_5480.JPG]] [[caption-width-right:350:''"Mommy's very angry..."'']]
!!!'''Appearances:''' ''Film/TheLostWorldJurassicPark'' | ''Film/JurassicWorldDominion''
->''"All I want in return for my services is the right to hunt one of the ''Tyrannosauruses''. A male, a buck only."''
-->--'''Roland Tembo'''
A [[ExactlyWhatItSaysOnTheTin family of]] ''[[ExactlyWhatItSaysOnTheTin T. rexes]]'', consisting of a father, a mother, and a baby.
to:
[[/folder]]
[[folder:The ''T. rex'' Family]]
!!''Tyrannosaurus rex'' Family ("Buck", "Doe", "Junior")
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/img_5480.JPG]] [[caption-width-right:350:''"Mommy's very angry..."'']]
!!!'''Appearances:''' ''Film/TheLostWorldJurassicPark'' | ''Film/JurassicWorldDominion''
->''"All I want in return for my services is the right to hunt one
-->--'''Roland Tembo'''
A [[ExactlyWhatItSaysOnTheTin family of]] ''[[ExactlyWhatItSaysOnTheTin T. rexes]]'', consisting of a father, a mother, and a baby.
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* AccidentalHero: Rexy is a superpredator only interested in feeding or defending herself and her territory, but she has a long history of unintentionally pulling people's butts out of the fire.
** In ''Jurassic Park'', her timely attack on [[spoiler:the two surviving raptors saves Alan, Ellie, Lex, and Tim]].
** Decades later in ''Jurassic World'', she had no idea that the big predator intruding on her territory was a sadistic monster, but the ''Indominus'' would have killed the heroes without her unwitting aid.
** A few weeks later in ''Camp Cretaceous'', she would chase off [[spoiler:trophy hunters Mitch and Tiffany]] from Main Street, where they were holding Darius and Sammy hostage, and would later [[spoiler:[[JustDesserts eat one of the hunters]] when they became [[HoistByHisOwnPetard caught in one of their own traps]] while attempting to poach the dinosaurs.]]
** In ''Fallen Kingdom'', she has several, since her predatory instincts not only [[spoiler:save Owen from a pissed-off ''Carnotaurus'']], but afterward she knocks the Gyrosphere Claire and Franklin are hiding in, sending it rolling down the hill ahead of the eruption to safety. At the end of the film, she eats [[spoiler:Mills, who is an unambiguous villain and murderer. She even gets in an unknowing dig at the ''Indominus'', smashing the only recovered piece of its skeleton and therefore limiting what research Wu can carry out in the future]].
* ActionGirl: She's a female rex, and with every appearance she makes, she proves herself to be a worthy adversary in combat against other territorial carnivores. [[spoiler:The Big One, a ''Carnotaurus'', the ''Indominus rex'', and a ''Giganotosaurus'' all fall to her, even if the latter two make her work for it.]]
* AdaptationalHeroism: In the novel, she could come off almost as sadistic as the ''[[Film/JurassicParkIII Spinosaurus]]'' or the ''[[Film/JurassicWorld Indominus]]'', though still more realistic. By contrast, in the films, she clearly operates on territorial and predatory instincts, culminating in her VillainousRescue moment at the end of the first film. [[spoiler:In ''Film/JurassicWorld'', she's upgraded to full AntiHero status when Claire releases her to help fight the ''Indominus rex''.]]
* AdaptationalJerkass: While still a huge threat who kills several other dinosaurs and is indirectly responsible for the death of [[spoiler:Hammond]] in the novel, she doesn't actually straight-up kill anyone, as opposed to the film where she rips Donald Gennaro in half. [[JustDesserts Then again]], [[AssholeVictim Gennaro had it coming]]. And in the end, Rexy actually ignores the humans in favor of bigger and more interesting prey: two ''Velociraptors''. Her only confirmed human kills afterwards can be counted in one hand: none other than [[spoiler:Eli Mills and Mitch, who more than had those deaths coming]].
* AdaptationalVillainy: Rexy is depicted in a more antagonistic light in video games, most notably Telltale's ''VideoGame/JurassicParkTheGame'', where she constantly hounds Dr. Gerry Harding and his daughter Jess, not to mention she's more persistent than her appearance in the movies. Older ''Jurassic Park'' games like the arcade game licensed by Creator/{{Sega}} as well as ''Rampage Edition'' also follow this direction, making Rexy an unstoppable predator hellbent on eating the player.
* AdvancingBossOfDoom: She's this in Grant's final level in ''Rampage Edition'' whereupon surfacing, there is no turning back, and players are forced to use any weapons they have to keep Rexy at bay as she relentlessly chases after Grant's raft. Failure to stop her would result in Rexy chomping down and devouring Grant, costing the player a life. She plays a similar role in the T.rex Carnage mission in ''Jurassic Park 2: The Chaos Continues''- here the player has to keep her from getting to close to their jeep.
* AdvertisedExtra:
** She appears in Platform/PlayStation version of ''VideoGame/TheLostWorldJurassicPark'', but only in the special edition ''and'' in the first level, which takes place in Isla Nublar, [[ATasteOfPower with the intent to allow players to demonstrate the awesomeness of playing as a]] ''[[ATasteOfPower Tyrannosaurus]]''. After that, you're playing as a ''Compsognathus'' and Rexy is never seen again, with the main playable tyrannosaur being the Buck.
** Despite heavy advertisement showing her in ''Camp Cretaceous'', her only appearance in Season 1 is in a video game during the pilot. Justified, given that she would be locked in her enclosure for most of the season.
* AnimalsNotToScale: Downplayed. She's portrayed as noticeably larger than the largest known ''Tyrannosaurus'' specimens in real life, particularly in the later films. The largest real-life ''T. rex'' is estimated to be about four meters tall and just under thirteen meters long, but Rexy is portrayed well over five meters tall and closer to fourteen meters long. Notably, while she's (fairly) consistently portrayed as being unusually huge ''in canon'', being the only tyrannosaur to outsize the ''Spinosaurus''[[note]]Interestingly, it's recently been proposed that the maximum size range of ''Tyrannosaurus'' was likely up to 50% larger than the biggest known specimens, meaning it would be entirely possible (if exceptionally rare) for an individual ''Tyrannosaurus'' in real life to rival or even ''surpass'' Rexy in size[[/note]].
** Interestingly, while she's definitely very long for a T. rex, her canon weight of 7 tons is actually quite a bit lighter than a T. rex of her prodigious size would be. She should weigh in the ball park of 11 tons ''at least''. This is a case of ScienceMarchesOn as scientists have found that T. rex was considerably more bulky than they were thought to be in the 90s.
* AntiHero: While a ferocious predator, she does indirectly play the role of a hero who ends up saving human lives, if mainly because there's a much more dire threat that even she sees as more trouble than competition and generally doesn't care much for human lives unless they either piss her off too much, or they leave her territory. Due to her being the most recurring dinosaur, Rexy is also the main anti-heroine of the franchise
* AntiVillain: In times where she's the biggest and most active threat to the protagonists, Rexy doesn't recurringly antagonize them and instead prefers to scare them away from her domain. At the end of the day, she's a natural apex predator who hunts for sustenance and is a wild animal with her own needs.
* AwesomeMomentOfCrowning: In a way, she gets one for each film she's in:
** In one of the most iconic scenes of ''Jurassic Park'', Rexy--[[spoiler:after throwing the Big One into the ''T. rex'' skeleton]]--turns around and roars in triumph while the "When Dinosaurs Ruled The Earth'' banner falls down as if it's a crown bestowed upon her.
** At the end of ''Jurassic World'', where [[spoiler:she stands atop the highest heliport and roars victoriously, reclaiming her kingdom]].
* BadGuysDoTheDirtyWork: Rexy's responsible for killing the Big One and the [[spoiler:''Indominus rex'']], both battles resulting in some unpleasant injuries. On the human side, she ate both [[spoiler:unrepentant murderer Mills and a would-be big game hunter Mitch.]] However, she's not much of a baddie since her only motivation for attacking humans is hunger or them being in her territory.
* BadVibrations: Her footsteps cause these, heralding her memorable BigEntrance in the first movie.
* BadassInDistress: Rexy is basically this due to her old age in the ''Jurassic World'' trilogy.
** In the climax of ''Jurassic World'', Rexy is slowly getting her ass kicked by the ''Indominus rex'', who would have killed her if Blue had not arrived just in time to distract the hybrid.
** Rexy spends the bulk of ''Fallen Kingdom'' out of action, she is one of the dinosaurs that Claire and Owen have to rescue from an erupting Nublar [[spoiler:before she is captured by Wheatley and subsequently imprisoned in Lockwood Manor, escaping only at the very end]].
** [[spoiler:In the climax of ''Dominion'', Rexy is briefly knocked unconscious by the ''Giganotosaurus'', and she would have been killed if Kayla had not lured the ''Therizinosaurus'' to distract the larger theropod.]]
* BashBrothers: ''Bash Sisters'' in this case, but Rexy does cooperate with Blue during their battle against the ''Indominus rex'' once the latter saves the former from being killed. Not only do the duo win, but they even leave on amicable terms, despite Rexy's bad experience with raptors in the past.
* BehemothBattle: Specifically, Rexy has one against a ''Triceratops'' in the Telltale game, the ''Indominus rex'' in ''Jurassic World'', a ''Giganotosaurus'' in ''Dominion'', and a ''Tarbosaurus'' in ''Jurassic World Camp Cretaceous: Hidden Adventure''. They're about as grand and intense as they're marketed to be.
* BehindTheBlack: In ''Film/JurassicPark'', she shows up without sound or anyone even seeing her 'till she snags a raptor out of midair during the climax. Both the raptors and the humans only notice her the moment the viewer does.
* BigDamnHeroes: This is her main entrance in case she's playing the role of an AntiHero.
** While not really paying them attention, Rexy saves the remaining survivors by suddenly ambushing one of the raptors and chomping down on her. With The Big One having diverted her attention to avenge her partner, this allowed the survivors enough time to exit the Visitor Center and leave the island.
** {{Inverted|Trope}} in the fourth film where it's Rexy who has to be saved by someone else playing this trope straight, in this case, Blue, who charges at the ''Indominus'' before she could land a killing blow, allowing Rexy to recover and fight back.
** In ''Fallen Kingdom'', Rexy ambushes a ''Carnotaurus'' who was attacking a gyrosphere with Claire and Franklin being trapped in it, inadvertently saving their lives alongside Owen's.
* BigBad:
** {{Subverted|Trope}} in the first film. Despite being ''the'' star dinosaur, even InUniverse by [=InGen=] as well as presenting the first sense of horror and danger, Rexy is ultimately overshadowed by The Big One and her ''Velociraptor'' pack, who end up being more recurring and actively malicious threats. If anything, Rexy ends up becoming the franchise's primary AntiHero.
** Played straight in the [[VideoGame/JurassicParkArcade arcade version of the first film]], where Rexy is the main dinosaur threat, chasing you throughout Isla Nublar, and being fought thrice in the first, second, and last levels alongside a second tyrannosaur in the latter. Even then, she remains a NonMaliciousMonster, merely chasing you because, as far as she's concerned, you're easy food and she ends the game being tranquilized and transported, likely to her exhibit.
** Also played straight in ''Ride/JurassicParkRiverAdventure'', where Rexy is the main predator throughout the ride, and it's stated that she's stalking the visitors throughout the ride. She makes an appearance towards the end, attempting to attack the raft before it plunges down an 85-foot drop from a waterfall. In the ''Jurassic World'' retheme, Rexy is replaced by the ''Indominus rex'', with Rexy herself only making a cameo.
* BigEntrance: In ''Jurassic Park'', Rexy has one of the most famous Big Entrances in cinematic history, [[spoiler:preceded by impact tremors and culminating in everyone present looking on in horror as she effortlessly breaks free. In ''Jurassic World'', her entrance is equally epic but tonally distinct. As a combination of ominous drums and an increasingly heroic overture play, her paddock door opens and she strides out of the darkness. The whole scene balances the sense that this animal is as dangerous as the ''Indominus'' yet is still presented in the film in a heroic light.]]
* {{Bookends}}: Rexy manages to have these every once in a while.
** In the first film, the crisis at Jurassic Park begins with Rexy breaking loose and attacking the guests. It ends with her breaking into the Visitors' Center and attacking the Velociraptors that threaten the surviving guests.
** In the fourth film, Rexy is in her paddock at the beginning. The final shot of the film is her walking up to a helipad and giving out a triumphant roar, signifying her newfound independence as a free animal.
** Franchise-wide, Rexy is a solitary animal and is never seen with anyone of her own kind, with the implication that Rexy had never encountered a fellow ''Tyrannosaurus'' in her life. [[spoiler:One of the last shots in ''Dominion'' is her encountering two ''Tyrannosaurs'' at the Biosyn Valley, namely the ''Tyrannosaur'' Buck and Doe from ''The Lost World'']].
* BreakoutCharacter: In a sense. She was always intended to be a big part of the film but once the raptors were introduced, she originally disappeared from the rest of the film. When searching for an ending, Spielberg supposedly realized that Rexy was the true star of the flick, and had her endgame rescue added in. She went on to be the most recurring dinosaur in the franchise, appearing in numerous non-canon comics and video games, before returning to the films with the World films.
* TheBusCameBack: There were several other ''T. rex'' specimens who appeared in ''Film/TheLostWorldJurassicPark'' and ''Film/JurassicParkIII'', but the ''T. rex'' in ''Film/JurassicWorld'' is this original ''T. rex'' who is being featured after a 22-year absence.
* CampingACrapper: By the time Rexy demolishes the restroom stand thanks to Malcolm's botched attempt at distracting her, Gennaro is still sitting on a toilet. Quivering at the sight of the tyrannosaur, Gennaro immediately gives away his position, prompting Rexy to swiftly devour him, with the toilet getting broken down upon impact.
* ClifftopCaterwauling: At the end of ''Film/JurassicWorld''. It's exactly as awesome as it sounds, and the triumphant music that plays during the scene makes it even more awesome.
* CombatAndSupport: In her team-up with [[spoiler:Blue, Rexy acts as the Combat by dealing hard blows on the ''I. rex'' while Blue distracts it from fighting properly]].
* CombinationAttack: Linking to CombatAndSupport above, Blue's distraction tactics against the ''Indominus'' allow Rexy to capitalize on her strength and weight, knocking the monstrous hybrid several times whilst not being able to pay attention to two predators attacking and distracting at the same time.
* CompositeCharacter: There were two ''Tyrannosaurus rex'' in the book, an adult and a juvenile. While Rexy is primarily based on the adult ''T. rex'', she also fulfills the juvenile's role of eating the assigned caretaker who abandons Hammond's kids during the breakout. Interestingly, ''Film/JurassicWorld''[='=]s [[AllThereInTheManual website]] mentions that the old ''T. rex'' paddock was intended to house both an adult ''T. rex'' and a juvenile one.
* CoolOldLady: By the time of the ''Jurassic World'' trilogy, Rexy is very old by ''Tyrannosaurus'' standards, but she is still a powerful and experienced predator [[spoiler: as the ''Indominus rex'', a ''Carnotaurus'' and a ''Giganotosaurus'' all learned the hard way.]]
* CoveredInScars: Over her thirty years, Rexy has been in the wars once or twice. There are the injuries on the left side of her back, neck, and jaw gained from The Big One in ''Jurassic Park''. She's also got a large number of small scars around her nose and eyes likely gained from living in the wild and several big cuts along her right side and her legs, corresponding to some of her ''Indominus'' wounds.
* CurbStompBattle: Her "fight" against The Big One can easily be summed up as this. The only reason Rexy has blood drawn on her is that The Big One attacked first in a moment of distraction when the tyrannosaur was to feast upon her raptor companion that she killed. The moment Rexy lands a good bite on The Big One, the fight is immediately over.
* CurbStompCushion: Her fight against the ''Indominus rex'' is this. Unlike Owen's Raptor Pack, Rexy manages to score a few good rams and bites, even drawing first blood on her opponent. Unfortunately, the ''Indominus'', having literally been designed to be stronger than a ''T. rex'', manages to overwhelm and pin down her adversary shortly after. Rexy would have died had it not been for Blue's sudden interference.
* DemotedToExtra: In ''Fallen Kingdom'' Rexy doesn't get as much screen time or focus as she does in the previous film, spending most of it in captivity by Mills' goons. Even then, she does get the killing blow on Mills, if mainly by sheer coincidence.
* DiskOneFinalBoss: Much like her novel counterpart, Rexy is introduced to be the main dinosaur threat, having come ''very'' close to killing the heroes on two occasions. However, she takes a backseat and the ''Velociraptors'' end up becoming the primary threat to be dealt with. Unlike the novel, Rexy isn't put out of commission, but rather makes a [[BigDamnHeroes sudden anti-heroic move by killing the remaining two raptors when they got the heroes covered]].
* DestructiveSavior: Rexy and Blue are the ones to defeat the ''Indominus rex'', saving the heroes and allowing the survivors to return to their homes peacefully and the dinosaurs to once again claim Isla Nublar for themselves for the next three years, albeit at the cost of Rexy destroying several buildings in Jurassic World, though by that point, the park was forced to become completely defunct.
* DisneyDeath: [[spoiler:She appears to have died in the climax of ''Dominion'', getting trounced by the ''Giganotosaurus''. But when the ''Therizinosaurus'' draws the Giga's attention, Rexy's motionless body suddenly moves and attacks the Giga while it is distracted.]]
* TheDogBitesBack: [[spoiler:After being bullied out of her meals by the ''Gigantosaurus'' in Biosyn's Sanctuary, Rexy gets her revenge by driving the Giga into the piercing claws of the ''Therizinosaurus''.]]
* TheDreaded: She inspires a nervous silence in the control room even before she breaks out. Once she does, everyone on the island soon decides to nope the hell out of there the minute she shows them she ''really'' means business. This saves their lives. [[spoiler:The Big One, who, for some reason, decides ''not to run away from the very large and very dangerous dinosaur'', dies at her hands -- well, teeth, anyway.]] [[spoiler:Later, during the events of ''Camp Cretaceous'', she's very much at the top of the food chain on post-abandonment Isla Nublar, and so much so that a mixed species herd of dinosaurs (including giant ''Brachiosaurus'') which had been stampeding in one direction promptly turn around the other way the moment they see her.]]
* EarnYourHappyEnding: [[spoiler:Rexy has lived in solitude for more than 30 years, surviving against the odds multiple times. After finally defeating her most primordial rival, her story ends with her encountering members of her own species for perhaps the first time in her life, with the implication being that she will spend her final years as part of a family.]]
* EnemyRisingBehind: [[spoiler:Rexy gets a great one of these after recovering from the ''Giganotosaurus''[='s=] assault, slowly rising into view behind the larger theropod as it's distracted by the ''Therizinosaurus''.]]
* ExitPursuedByABear: Seemingly a favorite of Rexy, being the eventual dispatcher of the main villains in ''Jurassic Park'' and ''Fallen Kingdom''. Subverted in ''Jurassic World'', where Claire attempts to [[SummonBiggerFish invoke this]] against the ''Indominus rex'', but it's ultimately the ''Mosasaurus'' that gets the honor of finishing it off.
* FearsomeFoot: Its first appearance puts a particular emphasis on her foot, particularly when she has Grant and Lex cornered and is curious about them. Its currently the Trope Image.
* FinalBoss: In licensed games based on the first film, Rexy is often the last opponent Dr. Grant has to deal with. Notably, there's no way to actually kill her, all Grant can do is stay far away from her until the end of the level.
* FirstBlood: [[spoiler:In the fight against the ''Indominus'']], Rexy draws first blood.
* FoeTossingCharge: After getting a second wind in her fight against the ''I. rex'', [[spoiler:Rexy hurls it against the fence around [[AlwaysABiggerFish the Mosasaurus' lagoon]]]]. [[spoiler:She pulls this out again after recovering during her fight with the ''Giganotosaurus'', taking the opportunity to tackle it when it's distracted by the ''Therizinosaurus'' and throws it onto the other dinosaur's claws.]]
* ForceAndFinesse: In the battle against the ''Indominus'', Rexy serves as the force to Blue's finesse, utilizing her great strength and weight to deliver damage and knockback while Blue is lithe, but acrobatic and intelligent, using her wits and agility for distraction.
* GenerationXerox: Just like her Cretaceous ancestor, Rexy has a rivalry with a ''Giganotosaurus''. [[spoiler:However, her ancestor was killed by her rival, while Rexy survives and is able to kill hers.]]
* GeneticMemory: The Extended Edition of ''Dominion'' implies that Rexy remembers how her Cretaceous ancestor [[spoiler:fell to a ''Giganotosaurus'' millions of years ago, and that memory is enough to give her HeroicSecondWind against her modern adversary]].
* GiantEqualsInvincible: Rexy is this in the older ''Jurassic Park'' licensed games where all the player can do is shoot and bombard the tyrant lizard in an effort to daze or slow her down. No matter how much is thrown at her, Rexy isn't going to die.
* GoFetch: On the receiving end of this, twice in a row. [[DrawAggro Grant draws a flare and throws it away from the jeep Rexy was attacking]], saving Lex and Murphy. Malcolm tries the same thing, and it fails horribly, resulting in Malcolm getting injured and Gennaro getting eaten.
* GodzillaThreshold: She's the "Godzilla" in this case as while Owen, Claire, and Lowery are desperate in bringing down the ''Indominus'' after she kills most of the raptors, Gray suggests "more teeth", giving Claire the idea to release Rexy in an effort to better their chances of fighting the ''Indominus'' back. It pays off with Rexy and a surviving Blue contributing to the ''Indominus'''s death, saving Isla Nublar, the dinosaurs, and survivors of Jurassic World.
* GoodScarsEvilScars: Her scuffle against The Big One in the first film, while one-sided on Rexy's part, saw her endure everlasting scars from where the raptor attacked her. Nevertheless, the scars show off her age and reputation as a battle-hardened dinosaur, predator, and an AntiHero. She gains more scars after her fight against the ''Indominus''.
* HairTriggerTemper: Her Aggression Index is listed as "High". The former statement is ''not'' an understatement [[spoiler:and comes in very handy in ''Jurassic World'' in the fight against the ''Indominus rex''.]]
* TheHeavy: She's the most recurring dinosaur and the first one to attack the protagonists, splitting them up, but she's DemotedToExtra in favor of the raptors. [[spoiler:She ironically helps save the protagonists in the end by killing the raptors attacking them.]]
* HellIsThatNoise: She has two of note in the first film; one includes the loud, thunderous footsteps she makes to announce her arrival, which all characters treat with quiet dread when they hear it. The other is her roar, which is shown to be deafening up close and likely to strike terror in any human who hears it.
* HeroicSecondWind:
** [[spoiler:She takes a severe beating in the opening blows of the fight with the ''Indominus rex'' (getting body slammed, savagely mauled on her flanks, and thrown headfirst into a souvenir booth). Blue's intervention not only saves her life but when Rexy re-enters the fight, she's slamming the ''Indominus'' through buildings and throwing it like a ragdoll.]]
** [[spoiler:Similarly, after getting knocked unconscious by the ''Giganotosaurus'', the intervention of the ''Therizinosaurus'' keeps her from being finished off and she comes back into the fight and quickly takes advantage of the situation.]]
* HistoricalBadassUpgrade: ZigZagged. Rexy has [[LivingMotionDetector vision problems]] in the first film unlike the real deal and scientific studies since the film's release suggested the real-life ''T. rex'' was just as tough if not tougher than Rexy when it comes to combat. However, Rexy has two key advantages over her real-life counterpart: 1) As Zia Rodriguez points out, she can live significantly beyond the lifespan of a real ''T. rex'' thanks to modern healthcare provided by her caretakers. And 2) She can run up to 32 MPH while the real animal is generally believed to have been only capable of about 12 MPH.
* HowTheMightyHaveFallen: [[PlayingWithATrope Played With]]; Rexy was the dominant carnivore on Isla Nublar for almost 3 decades. At the Biosyn facility in the Dolomites, she's suddenly in direct competition not with a psychotic killer but another apex predator; one that's bigger, younger, and fitter than she is. When she attempts to defend a deer carcass from the Giganotosaurus, she's quickly driven off. [[spoiler:But as she demonstrates in the finale, she's not willing to fully give up the crown without a fight and demonstrates she's capable of taking it back using her experience as much as anything else.]]
* TheJuggernaut: Once she gets going, she is relentless and completely unstoppable, smashing through any obstacle that gets in her way, whether it be a tree while chasing a Jeep, or a ''Spinosaurus'' skeleton while pursuing Claire.
* JustDesserts: As a known Man-eater, she has been on the delivering end of this onto several human Villains/{{jerk|ass}}s including [[spoiler:Eli Mills, Mitch, and Gennaro.]]
* KnowWhenToFoldEm:
** During the jeep chase, Rexy gives up on chasing the vehicle as soon as it reaches a speed she can't match, rather than waste the energy.
** In a Dino Tracker video, Rexy attacks an ''Apatosaurus'' herd. When the adult member she engages into battle hits her with a powerful warning tail whip, she promptly retreats afterwards, recognizing they're too dangerous to hunt.
** After being bitten in the snout by the ''Giganotosaurus'' when fighting it over a deer carcass, Rexy figures it's too much trouble to be worth it and merely walks away before she can receive further injuries from the larger theropod.
* LargeAndInCharge: Rexy is the largest ''Tyrannosaurus'' and the third biggest theropod in the franchise (only the ''Giganotosaurus'' and ''Indominus'' are bigger. The ''Therizinosaurus'' is slightly taller but not as heavy). She's also regarded as the uncontested top of the Isla Nublar food chain, dwarfing all other predators and capable of bringing down even the giant sauropods on the island.
* LastOfHerKind: Born in 1988, the oldest among seven ''Tyrannosauruses'', Rexy has outlived all of her known "siblings" and is the last known surviving dinosaur from the [=1980s=] and the original park. It was thought she was the last of her species due to reports that Isla Sorna's ecosystem had been destroyed, as was believed and reported on by the Dinosaur Protection Group; but this was revealed to be untrue with Mantah Corp's captured ''Tyrannosaurus'' being from Site B. [[spoiler:She later encounters the Buck and Doe ''T. rexes'' in the abandoned Biosyn Valley.]]
* LetsYouAndHimFight: Rexy is bought into this by Claire in a desperate plan to release and bring along a large predatory dinosaur to fight the ''Indominus rex'', who has been wrecking Isla Nublar nonstop since her escape. When the two finally confront each other thanks to Claire throwing a flare she used to guide the tyrannosaur unto the hybrid dinosaur, Rexy starts off with a bellowing roar before drawing first blood.
* LightningBruiser: Hammond clocked her at 32 miles per hour. She's also very big... and apparently resilient to trees. [[spoiler:Throughout the ''Jurassic World'' trilogy, she is incredibly fast and vicious for a ''rex'' of her age and size.]]
* LivingMotionDetector: Dr. Grant once touted a scientific theory that the vision of a ''T. rex'' is based on movement, and Rexy seems to prove that theory when she fails to find the motionless Grant and Lex. But since this theory has been the subject of ridicule in real life, Rexy's vision problems have been quietly dropped since her return in ''Jurassic World''.
* MadeOfIron: [[spoiler:Even though Rexy took a rather savage beating from the ''Indominus'' at the beginning of their throwdown in the climax, once she got a [[HeroicSecondWind moment to recover]], she was unhindered and, if anything, just seemed more pissed off by her injuries than anything else. Likewise, the final scene of ''Jurassic World'' shows Rexy to be in excellent shape in spite of her age and injuries from the ''Indominus'']].
* {{Mascot}}: The face of Jurassic World. In fact, when Dr. Wu talks about the motivation for engineering the ''I. rex'', he says that the park "needed a new ''T. rex''".
* MascotVillain: {{Downplayed|Trope}}; Rexy does try to kill the kids and is an extremely dangerous force of nature in the first film, but that's because she's a predator who's acting out of her own natural instincts, not to mention it's the Big One and her ''Velociraptor'' pack that are the main threat to the protagonists. Further {{subverted|Trope}} when Rexy ends up becoming an AntiHero, though she does have her moments of being an AntiVillain.
* MightyRoar: She unleashes one of the most [[SignatureRoar well-known]] (and [[StockSoundEffects most used]]) in cinema. [[spoiler:She still has it by the time of the ''Jurassic World'' trilogy.]]
* NeverMessWithGranny: Almost three decades old by ''Jurassic World'' and the oldest known living dinosaur. An elder by ''T. rex'' standards (the longest-lived ''T. rex'' found was 28), Rexy's a bit more gaunt and scarred, she's missing a few teeth, and her walk is noticeably stiffer. In ''Fallen Kingdom'', it's even shown that her roar, while still sonorous, isn't quite what it used to be. [[spoiler:But she still puts up a better fight against the ''Indominus'' than any other opponent and plays a major role in finally defeating it. Interestingly, Zia noted that through a combination of a life half-lived in captivity and the cloning process, it's likely that Rexy will probably live beyond a natural lifespan. When she eventually encounters the ''Giganotosaurus'', she is 34 years old -- a minimum of 30 years older than the other dinosaur -- but puts up a solid fight and uses her experience to take advantage of an opening to quickly finish her opponent off]].
* NiceJobFixingItVillain: She's not technically a villain -- she hunts only when she ''needs'' to -- but she noms the raptors in the first film. In that situation, nomming the raptors is a ''good'' thing. [[spoiler:Also, contributing to the demise of the ''Indominus rex''. This is a good thing, a ''very'' good thing.]]
* NoHoldsBarredBeatdown: Despite getting the first hit and displaying a better fighting chance than the Raptor Pack, Rexy still ends up on the receiving end of the trope from the ''Indominus'', who proceeds to thrash the tyrant lizard around with a little effort and maul her to death's door, only being saved by a timely intervention from a still-living Blue.
* NominalHero: While not exactly on the heroes' side, Rexy does see any antagonistic dinosaur as a threat and villainous humans as potential prey. Her killing The Big One, Mitch, and Mills is basically her putting a stop to a major threat. Of course, there's also her battle against the ''Indominus'' and the ''Giganotosaurus'' which ends up saving the heroes' lives.
* NonMaliciousMonster: Although Rexy breaking out is what kicks off the start of the disaster in the first film, ultimately she's just a predatory and territorial animal rather than a true villain. [[spoiler:In fact, near the end, she saves Alan and the rest when she attacks and kills the ''Velociraptors'' that were about to attack them]]. Even in ''Fallen Kingdom'', when she and Owen wind up trapped in a container, her reactions are her understandably freaking out rather than trying to eat him.
* OlderHeroVsYoungerVillain: [[DownplayedTrope Rexy is an anti-hero at most]], but given she's 30 years old by that point and a relic from the Jurassic Park days, she qualifies in comparison with any adversaries she faces off in the ''Jurassic World Trilogy''. In ''Jurassic World'', she competes against the ''Indominus rex'' who was recently created for the titular park to renew the titular park's popularity with hybrid dinosaurs, and in ''Dominion'', Rexy challenges a ''Giganotosaurus'' created by Biosyn a couple of years ago by estimate.
* OneHitKill: Being a ''Tyrannosaurus'' having the most powerful bite out of any land animal means a single chomp makes nearly anyone a goner if they're caught. In video games, Rexy's bites will enforce that you will die instantly and start a level all over again.
* QuizzicalTilt: She does this occasionally in the first film, mainly due to her curiosity in not having known about humans all that much. She does this to Lex and Tim's jeep to assess whether she could attack it and again to Gennaro upon exposing him by destroying the restroom, expressing curiosity upon him before lunging for the kill.
* RecurringBoss: In the licensed arcade game of the first film, Rexy is fought three times, specifically in Levels 1, 2, and 4. For bonus points, she's the first ''and'' last dinosaur you fight against.
* RetiredBadass: By ''Film/JurassicWorld'', Rexy is already past her prime and seems content with a semi-domesticated life. On a meta-level, Colin Trevorrow compares her appearance in the film and [[spoiler:her battle against the ''Indominus'' as her personal ''Film/{{Unforgiven}}'']].
* RightfulQueenReturns: In ''Film/JurassicWorld'', when she's called upon to help save the day.
* RoarBeforeBeating: She roars occasionally before attacking her enemies and prey. She announces her presence in this way before the two jeep attacks in the first film and when confronting the ''Indominus'' for the first time during the 2015 Isla Nublar Disaster.
* ScarsAreForever: The main clue that she is the same ''T. rex'' as always is the presence of scars corresponding to the raptor fight in the climax of the first film. [[spoiler:She picks up a bucketload more following her fight with the ''Indominus'', but Rexy gave as good as she got.]]
* SheIsTheKing: "Rex" translates to "king", meaning ''Tyrannosaurus rex'' translates to "Tyrant Lizard King." Rexy is female.
* ShownTheirWork: In ''Dominion'', she is redesigned with non-pronated hands just like real theropods.
* SignatureRoar: Her roar is impossible to mistake for anything else and [[StockSoundEffects has frequently been recycled]]. Ardent fans of the film series will be able to recognize the sounds of the other dinosaurs just as well; some of the notable ones are ''[[GentleGiant Brachiosaurus]]'' and ''[[RaptorAttack Velociraptor]]''. Interestingly, the iconic high-pitched, almost pinched sound in Rexy's roar was provided by a baby elephant's first attempts at trumpeting. The rest of it was built out of a lion, a tiger, and an alligator.
* SparedByTheAdaptation: [[spoiler:In the original novel, Rexy is taken out shortly before the novel reaches its DarkestHour, succumbing to the tranquilizers that Muldoon fired upon her two hours ago. She is never seen or mentioned again after she passed out and, according to Wu and later the population count, most likely drowned in the pool she was in. [[MakeSureHesDead The Costa Rica napalm bombings made double assurance of her demise]]. In the ''Jurassic Park'' movie, none of these two events occurred, which allows Rexy to reach the Visitor Center in time to rescue the protagonists from the raptors and later allows the Masrani Global Corporation to move her to a new exhibit enclosure in ''Jurassic World'' where 22 years later, she would be released to fight the ''Indominus rex''.]]
* StealthyColossus: The ''T. rex'', whose presence throughout the first film has been indicated by earth-shattering footsteps, manages to get into the Visitor Center without anyone noticing, before attacking the raptors. In ''Fallen Kingdom'', she is shown to ambush her prey without warning, best demonstrated with [[spoiler:[[BigBad Mills]] at the climax of the film]].
* StrongAndSkilled: The ''Indominus'' was a powerhouse with no real fighting experience that relied on its size and adaptability to win fights. Rexy is incredibly strong and has also lived in the wild for a decade before Jurassic World opened. She's much more experienced in a fight and shows it, being capable of completely changing her fighting tactics once she's recovered from her first round with the hybrid. [[spoiler:Shows this again when fighting the ''Giganotosaurus'' as rather than charging in once she's recovered from the initial takedown, she waits for the other theropod to be distracted and goes for a single hit kill]].
* SuperPersistentPredator:
** {{Subverted|Trope}}; Rexy does chase after anything she can sink her jaws onto, but she does show some restraint and will back away if the effort is not worth it. For example, she chases a rescue jeep sent out to rescue Grant, Malcolm, Lex, and Tim, but eventually stops after the jeep leaves her territory. In ''Dominion'' after getting her snout mauled by the residential ''Giganotosaurus'' over a deer carcass, Rexy leaves, figuring that fighting against a rival predator over a small corpse is pointless.
** Played straight in ''VideoGame/JurassicParkRampageEdition'', where Rexy gives chase to Dr. Grant in the final level and ''won't'' stop until the player reaches the end. All Grant could do is use whatever weapons he has to slow Rexy down before she could catch and devour him.
* SuperStrength: Even for a dinosaur her size, Rexy is monstrously strong. During the fight with the ''Indominus'', she twice demonstrates this, first by grabbing the 10-tonne animal in her jaws and physically hurling it several dozen feet and then following up by tossing it a similar distance using her head. Her being able to topple the ''Indominus'' is one thing but she's essentially able to lift her own entire body weight plus change and hurl it through the air. [[spoiler:In her final battle against the ''Giganotosaurus'', Rexy uses all of her strength to push the larger theropod into the claws of the ''Therizinosaurus''.]]
* TagTeam: With Blue against the ''Indominus'' at the climax of ''Jurassic World''. They prove to be more formidable than the hybrid monster, bringing it close to defeat before the ''Mosasaurus'' claims the kill.
* ATasteOfPower: A variant of sorts; the first level in the special edition of the [=PS1=] ''[[VideoGame/TheLostWorldJurassicPark Lost World]]'' game takes place during the 1993 Isla Nublar Downfall and with Rexy as the playable character to deliver the promise of players being able to play as a ''T. rex''. Upon completing the level, the play immediately switches to controlling a ''Compsognathus'' and while ''Tyrannosaurus'' would eventually become playable again, it is a different one, namely the Buck from Isla Sorna.
* TerrifyingTyrannosaur: She invokes nervousness from the Jurassic Park staff and her literal breakout debut on the silver screen redefines what it means to be scared by a ''T. rex''. Rexy is also the most powerful ''T. rex'' of the franchise and even in her old age during the ''Jurassic World'' era, she can put up a fight against larger therapods and still hunt humans for a quick snack.
* TheToothHurts: When she attacked Lex and Timmy's explorer, she struck the roof with such force that she snapped one of her front teeth off. This gives her a prominent diastema which serves as one of her distinguishing traits.
* ThemeMusicPowerUp: A variant; the music during the ''Velociraptor'' chase in the Visitor Center is intense and scary, especially when the raptors have the heroes cornered... until Rexy suddenly kills one of the raptors, immediately followed by the ''Jurassic Park'' Theme playing, signaling some sort of hope and chance being given to the human survivors.
* UnstoppableRage: [[spoiler:She's already furious when she sees the ''I. rex'' intruding on her territory. But after receiving a savage beating and Blue giving her a HeroicSecondWind, she goes full-on berserk and gives the ''I. rex'' an ''even more intense'' beatdown.]]
* UseYourHead: She is willing to use her skull as a battering ram if need be. She does this to a ''Spinosaurus'' skeleton before encountering the ''Indominus'', and she uses it offensively against her as well as the ''Giganotosaurus'' in ''Dominion'' when they finally start throwing down. In ''Fallen Kingdom'', she headbuts an unsuspecting ''Carnotaurus'', inadvertently saving Owen, Claire, and Franklin.
* VictoriousRoar: After defeating the ''Big One'', the [[spoiler:''Indominus'']], the ''Carnotaurus'', the [[spoiler:''Giganotosaurus'']] and the [[spoiler:''Tarbosaurus'']] across all of her film appearances thus far, she always lets off one of her [[SignatureRoar famous roars.]]
* VillainKiller: [[spoiler:Rexy eats the DirtyCoward lawyer Donald Gennaro and the CorruptCorporateExecutive Eli Mills.]]
* VocalEvolution: Her roars in ''Fallen Kingdom'' and ''Dominion'' sound deeper, more guttural, and more bellow-like to emphasize her old age.
* TheWorfEffect:
** Briefly, in ''World''; [[spoiler:the ''I. rex'' puts down a massive beating on the old girl when they initially face off. Justified since the ''I. rex'' was tailor-made with all of her strengths and ''more'', as well as because Rexy was initially fighting as she would in a territorial fight, whereas the ''I. rex'' was fighting to kill from the start; it takes an assist from Raptor Blue to give her a second wind]].
** She's on the giving end in ''Fallen Kingdom''. As the ''Carnotaurus'' is menacing our heroes, Rexy comes out of nowhere, grabs it by the neck, and pins it to the ground. The real icing on the cake is that she doesn't deliver the final blow with her infamous jaws, she kills the ''Carnotaurus'' by simply lifting one foot to walk away, leaving all of her considerable tonnage on the poor animal's neck.
** [[spoiler:When she first encounters the ''Giganotosaurus'', after a brief struggle she retreats rather than fight, highlighting the power of the new dinosaur while also setting up the later battle for the apex position]].
* WorthyOpponent: She appears to regard Blue as this, as she shares a look with her after [[spoiler:they've defeated ''Indominus'']] and they peacefully go their separate ways.
* WouldHurtAChild: Tim and Lex were the very first individuals that Rexy attacks on-screen. Interestingly, while a horrifying scene, it doesn't really villainize Rexy too much, so much as it displays how ferocious she is as a predator. She's acting more out of curiosity than any malice, but Grant and Malcolm thankfully put a stop to that... with a whole slew of new problems. On another note, Rexy does antagonize a baby ''Triceratops'' in the Telltale game as well as threatening the Campers in ''Camp Cretaceous''.
[[/folder]]
[[folder:The ''T. rex'' Family]]
!!''Tyrannosaurus rex'' Family ("Buck", "Doe", "Junior")
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/img_5480.JPG]] [[caption-width-right:350:''"Mommy's very angry..."'']]
!!!'''Appearances:''' ''Film/TheLostWorldJurassicPark'' | ''Film/JurassicWorldDominion''
->''"All I want in return for my services is the right to hunt one of the ''Tyrannosauruses''. A male, a buck only."''
-->--'''Roland Tembo'''
A [[ExactlyWhatItSaysOnTheTin family of]] ''[[ExactlyWhatItSaysOnTheTin T. rexes]]'', consisting of a father, a mother, and a baby.
----
** In ''Jurassic Park'', her timely attack on [[spoiler:the two surviving raptors saves Alan, Ellie, Lex, and Tim]].
** Decades later in ''Jurassic World'', she had no idea that the big predator intruding on her territory was a sadistic monster, but the ''Indominus'' would have killed the heroes without her unwitting aid.
** A few weeks later in ''Camp Cretaceous'', she would chase off [[spoiler:trophy hunters Mitch and Tiffany]] from Main Street, where they were holding Darius and Sammy hostage, and would later [[spoiler:[[JustDesserts eat one of the hunters]] when they became [[HoistByHisOwnPetard caught in one of their own traps]] while attempting to poach the dinosaurs.]]
** In ''Fallen Kingdom'', she has several, since her predatory instincts not only [[spoiler:save Owen from a pissed-off ''Carnotaurus'']], but afterward she knocks the Gyrosphere Claire and Franklin are hiding in, sending it rolling down the hill ahead of the eruption to safety. At the end of the film, she eats [[spoiler:Mills, who is an unambiguous villain and murderer. She even gets in an unknowing dig at the ''Indominus'', smashing the only recovered piece of its skeleton and therefore limiting what research Wu can carry out in the future]].
* ActionGirl: She's a female rex, and with every appearance she makes, she proves herself to be a worthy adversary in combat against other territorial carnivores. [[spoiler:The Big One, a ''Carnotaurus'', the ''Indominus rex'', and a ''Giganotosaurus'' all fall to her, even if the latter two make her work for it.]]
* AdaptationalHeroism: In the novel, she could come off almost as sadistic as the ''[[Film/JurassicParkIII Spinosaurus]]'' or the ''[[Film/JurassicWorld Indominus]]'', though still more realistic. By contrast, in the films, she clearly operates on territorial and predatory instincts, culminating in her VillainousRescue moment at the end of the first film. [[spoiler:In ''Film/JurassicWorld'', she's upgraded to full AntiHero status when Claire releases her to help fight the ''Indominus rex''.]]
* AdaptationalJerkass: While still a huge threat who kills several other dinosaurs and is indirectly responsible for the death of [[spoiler:Hammond]] in the novel, she doesn't actually straight-up kill anyone, as opposed to the film where she rips Donald Gennaro in half. [[JustDesserts Then again]], [[AssholeVictim Gennaro had it coming]]. And in the end, Rexy actually ignores the humans in favor of bigger and more interesting prey: two ''Velociraptors''. Her only confirmed human kills afterwards can be counted in one hand: none other than [[spoiler:Eli Mills and Mitch, who more than had those deaths coming]].
* AdaptationalVillainy: Rexy is depicted in a more antagonistic light in video games, most notably Telltale's ''VideoGame/JurassicParkTheGame'', where she constantly hounds Dr. Gerry Harding and his daughter Jess, not to mention she's more persistent than her appearance in the movies. Older ''Jurassic Park'' games like the arcade game licensed by Creator/{{Sega}} as well as ''Rampage Edition'' also follow this direction, making Rexy an unstoppable predator hellbent on eating the player.
* AdvancingBossOfDoom: She's this in Grant's final level in ''Rampage Edition'' whereupon surfacing, there is no turning back, and players are forced to use any weapons they have to keep Rexy at bay as she relentlessly chases after Grant's raft. Failure to stop her would result in Rexy chomping down and devouring Grant, costing the player a life. She plays a similar role in the T.rex Carnage mission in ''Jurassic Park 2: The Chaos Continues''- here the player has to keep her from getting to close to their jeep.
* AdvertisedExtra:
** She appears in Platform/PlayStation version of ''VideoGame/TheLostWorldJurassicPark'', but only in the special edition ''and'' in the first level, which takes place in Isla Nublar, [[ATasteOfPower with the intent to allow players to demonstrate the awesomeness of playing as a]] ''[[ATasteOfPower Tyrannosaurus]]''. After that, you're playing as a ''Compsognathus'' and Rexy is never seen again, with the main playable tyrannosaur being the Buck.
** Despite heavy advertisement showing her in ''Camp Cretaceous'', her only appearance in Season 1 is in a video game during the pilot. Justified, given that she would be locked in her enclosure for most of the season.
* AnimalsNotToScale: Downplayed. She's portrayed as noticeably larger than the largest known ''Tyrannosaurus'' specimens in real life, particularly in the later films. The largest real-life ''T. rex'' is estimated to be about four meters tall and just under thirteen meters long, but Rexy is portrayed well over five meters tall and closer to fourteen meters long. Notably, while she's (fairly) consistently portrayed as being unusually huge ''in canon'', being the only tyrannosaur to outsize the ''Spinosaurus''[[note]]Interestingly, it's recently been proposed that the maximum size range of ''Tyrannosaurus'' was likely up to 50% larger than the biggest known specimens, meaning it would be entirely possible (if exceptionally rare) for an individual ''Tyrannosaurus'' in real life to rival or even ''surpass'' Rexy in size[[/note]].
** Interestingly, while she's definitely very long for a T. rex, her canon weight of 7 tons is actually quite a bit lighter than a T. rex of her prodigious size would be. She should weigh in the ball park of 11 tons ''at least''. This is a case of ScienceMarchesOn as scientists have found that T. rex was considerably more bulky than they were thought to be in the 90s.
* AntiHero: While a ferocious predator, she does indirectly play the role of a hero who ends up saving human lives, if mainly because there's a much more dire threat that even she sees as more trouble than competition and generally doesn't care much for human lives unless they either piss her off too much, or they leave her territory. Due to her being the most recurring dinosaur, Rexy is also the main anti-heroine of the franchise
* AntiVillain: In times where she's the biggest and most active threat to the protagonists, Rexy doesn't recurringly antagonize them and instead prefers to scare them away from her domain. At the end of the day, she's a natural apex predator who hunts for sustenance and is a wild animal with her own needs.
* AwesomeMomentOfCrowning: In a way, she gets one for each film she's in:
** In one of the most iconic scenes of ''Jurassic Park'', Rexy--[[spoiler:after throwing the Big One into the ''T. rex'' skeleton]]--turns around and roars in triumph while the "When Dinosaurs Ruled The Earth'' banner falls down as if it's a crown bestowed upon her.
** At the end of ''Jurassic World'', where [[spoiler:she stands atop the highest heliport and roars victoriously, reclaiming her kingdom]].
* BadGuysDoTheDirtyWork: Rexy's responsible for killing the Big One and the [[spoiler:''Indominus rex'']], both battles resulting in some unpleasant injuries. On the human side, she ate both [[spoiler:unrepentant murderer Mills and a would-be big game hunter Mitch.]] However, she's not much of a baddie since her only motivation for attacking humans is hunger or them being in her territory.
* BadVibrations: Her footsteps cause these, heralding her memorable BigEntrance in the first movie.
* BadassInDistress: Rexy is basically this due to her old age in the ''Jurassic World'' trilogy.
** In the climax of ''Jurassic World'', Rexy is slowly getting her ass kicked by the ''Indominus rex'', who would have killed her if Blue had not arrived just in time to distract the hybrid.
** Rexy spends the bulk of ''Fallen Kingdom'' out of action, she is one of the dinosaurs that Claire and Owen have to rescue from an erupting Nublar [[spoiler:before she is captured by Wheatley and subsequently imprisoned in Lockwood Manor, escaping only at the very end]].
** [[spoiler:In the climax of ''Dominion'', Rexy is briefly knocked unconscious by the ''Giganotosaurus'', and she would have been killed if Kayla had not lured the ''Therizinosaurus'' to distract the larger theropod.]]
* BashBrothers: ''Bash Sisters'' in this case, but Rexy does cooperate with Blue during their battle against the ''Indominus rex'' once the latter saves the former from being killed. Not only do the duo win, but they even leave on amicable terms, despite Rexy's bad experience with raptors in the past.
* BehemothBattle: Specifically, Rexy has one against a ''Triceratops'' in the Telltale game, the ''Indominus rex'' in ''Jurassic World'', a ''Giganotosaurus'' in ''Dominion'', and a ''Tarbosaurus'' in ''Jurassic World Camp Cretaceous: Hidden Adventure''. They're about as grand and intense as they're marketed to be.
* BehindTheBlack: In ''Film/JurassicPark'', she shows up without sound or anyone even seeing her 'till she snags a raptor out of midair during the climax. Both the raptors and the humans only notice her the moment the viewer does.
* BigDamnHeroes: This is her main entrance in case she's playing the role of an AntiHero.
** While not really paying them attention, Rexy saves the remaining survivors by suddenly ambushing one of the raptors and chomping down on her. With The Big One having diverted her attention to avenge her partner, this allowed the survivors enough time to exit the Visitor Center and leave the island.
** {{Inverted|Trope}} in the fourth film where it's Rexy who has to be saved by someone else playing this trope straight, in this case, Blue, who charges at the ''Indominus'' before she could land a killing blow, allowing Rexy to recover and fight back.
** In ''Fallen Kingdom'', Rexy ambushes a ''Carnotaurus'' who was attacking a gyrosphere with Claire and Franklin being trapped in it, inadvertently saving their lives alongside Owen's.
* BigBad:
** {{Subverted|Trope}} in the first film. Despite being ''the'' star dinosaur, even InUniverse by [=InGen=] as well as presenting the first sense of horror and danger, Rexy is ultimately overshadowed by The Big One and her ''Velociraptor'' pack, who end up being more recurring and actively malicious threats. If anything, Rexy ends up becoming the franchise's primary AntiHero.
** Played straight in the [[VideoGame/JurassicParkArcade arcade version of the first film]], where Rexy is the main dinosaur threat, chasing you throughout Isla Nublar, and being fought thrice in the first, second, and last levels alongside a second tyrannosaur in the latter. Even then, she remains a NonMaliciousMonster, merely chasing you because, as far as she's concerned, you're easy food and she ends the game being tranquilized and transported, likely to her exhibit.
** Also played straight in ''Ride/JurassicParkRiverAdventure'', where Rexy is the main predator throughout the ride, and it's stated that she's stalking the visitors throughout the ride. She makes an appearance towards the end, attempting to attack the raft before it plunges down an 85-foot drop from a waterfall. In the ''Jurassic World'' retheme, Rexy is replaced by the ''Indominus rex'', with Rexy herself only making a cameo.
* BigEntrance: In ''Jurassic Park'', Rexy has one of the most famous Big Entrances in cinematic history, [[spoiler:preceded by impact tremors and culminating in everyone present looking on in horror as she effortlessly breaks free. In ''Jurassic World'', her entrance is equally epic but tonally distinct. As a combination of ominous drums and an increasingly heroic overture play, her paddock door opens and she strides out of the darkness. The whole scene balances the sense that this animal is as dangerous as the ''Indominus'' yet is still presented in the film in a heroic light.]]
* {{Bookends}}: Rexy manages to have these every once in a while.
** In the first film, the crisis at Jurassic Park begins with Rexy breaking loose and attacking the guests. It ends with her breaking into the Visitors' Center and attacking the Velociraptors that threaten the surviving guests.
** In the fourth film, Rexy is in her paddock at the beginning. The final shot of the film is her walking up to a helipad and giving out a triumphant roar, signifying her newfound independence as a free animal.
** Franchise-wide, Rexy is a solitary animal and is never seen with anyone of her own kind, with the implication that Rexy had never encountered a fellow ''Tyrannosaurus'' in her life. [[spoiler:One of the last shots in ''Dominion'' is her encountering two ''Tyrannosaurs'' at the Biosyn Valley, namely the ''Tyrannosaur'' Buck and Doe from ''The Lost World'']].
* BreakoutCharacter: In a sense. She was always intended to be a big part of the film but once the raptors were introduced, she originally disappeared from the rest of the film. When searching for an ending, Spielberg supposedly realized that Rexy was the true star of the flick, and had her endgame rescue added in. She went on to be the most recurring dinosaur in the franchise, appearing in numerous non-canon comics and video games, before returning to the films with the World films.
* TheBusCameBack: There were several other ''T. rex'' specimens who appeared in ''Film/TheLostWorldJurassicPark'' and ''Film/JurassicParkIII'', but the ''T. rex'' in ''Film/JurassicWorld'' is this original ''T. rex'' who is being featured after a 22-year absence.
* CampingACrapper: By the time Rexy demolishes the restroom stand thanks to Malcolm's botched attempt at distracting her, Gennaro is still sitting on a toilet. Quivering at the sight of the tyrannosaur, Gennaro immediately gives away his position, prompting Rexy to swiftly devour him, with the toilet getting broken down upon impact.
* ClifftopCaterwauling: At the end of ''Film/JurassicWorld''. It's exactly as awesome as it sounds, and the triumphant music that plays during the scene makes it even more awesome.
* CombatAndSupport: In her team-up with [[spoiler:Blue, Rexy acts as the Combat by dealing hard blows on the ''I. rex'' while Blue distracts it from fighting properly]].
* CombinationAttack: Linking to CombatAndSupport above, Blue's distraction tactics against the ''Indominus'' allow Rexy to capitalize on her strength and weight, knocking the monstrous hybrid several times whilst not being able to pay attention to two predators attacking and distracting at the same time.
* CompositeCharacter: There were two ''Tyrannosaurus rex'' in the book, an adult and a juvenile. While Rexy is primarily based on the adult ''T. rex'', she also fulfills the juvenile's role of eating the assigned caretaker who abandons Hammond's kids during the breakout. Interestingly, ''Film/JurassicWorld''[='=]s [[AllThereInTheManual website]] mentions that the old ''T. rex'' paddock was intended to house both an adult ''T. rex'' and a juvenile one.
* CoolOldLady: By the time of the ''Jurassic World'' trilogy, Rexy is very old by ''Tyrannosaurus'' standards, but she is still a powerful and experienced predator [[spoiler: as the ''Indominus rex'', a ''Carnotaurus'' and a ''Giganotosaurus'' all learned the hard way.]]
* CoveredInScars: Over her thirty years, Rexy has been in the wars once or twice. There are the injuries on the left side of her back, neck, and jaw gained from The Big One in ''Jurassic Park''. She's also got a large number of small scars around her nose and eyes likely gained from living in the wild and several big cuts along her right side and her legs, corresponding to some of her ''Indominus'' wounds.
* CurbStompBattle: Her "fight" against The Big One can easily be summed up as this. The only reason Rexy has blood drawn on her is that The Big One attacked first in a moment of distraction when the tyrannosaur was to feast upon her raptor companion that she killed. The moment Rexy lands a good bite on The Big One, the fight is immediately over.
* CurbStompCushion: Her fight against the ''Indominus rex'' is this. Unlike Owen's Raptor Pack, Rexy manages to score a few good rams and bites, even drawing first blood on her opponent. Unfortunately, the ''Indominus'', having literally been designed to be stronger than a ''T. rex'', manages to overwhelm and pin down her adversary shortly after. Rexy would have died had it not been for Blue's sudden interference.
* DemotedToExtra: In ''Fallen Kingdom'' Rexy doesn't get as much screen time or focus as she does in the previous film, spending most of it in captivity by Mills' goons. Even then, she does get the killing blow on Mills, if mainly by sheer coincidence.
* DiskOneFinalBoss: Much like her novel counterpart, Rexy is introduced to be the main dinosaur threat, having come ''very'' close to killing the heroes on two occasions. However, she takes a backseat and the ''Velociraptors'' end up becoming the primary threat to be dealt with. Unlike the novel, Rexy isn't put out of commission, but rather makes a [[BigDamnHeroes sudden anti-heroic move by killing the remaining two raptors when they got the heroes covered]].
* DestructiveSavior: Rexy and Blue are the ones to defeat the ''Indominus rex'', saving the heroes and allowing the survivors to return to their homes peacefully and the dinosaurs to once again claim Isla Nublar for themselves for the next three years, albeit at the cost of Rexy destroying several buildings in Jurassic World, though by that point, the park was forced to become completely defunct.
* DisneyDeath: [[spoiler:She appears to have died in the climax of ''Dominion'', getting trounced by the ''Giganotosaurus''. But when the ''Therizinosaurus'' draws the Giga's attention, Rexy's motionless body suddenly moves and attacks the Giga while it is distracted.]]
* TheDogBitesBack: [[spoiler:After being bullied out of her meals by the ''Gigantosaurus'' in Biosyn's Sanctuary, Rexy gets her revenge by driving the Giga into the piercing claws of the ''Therizinosaurus''.]]
* TheDreaded: She inspires a nervous silence in the control room even before she breaks out. Once she does, everyone on the island soon decides to nope the hell out of there the minute she shows them she ''really'' means business. This saves their lives. [[spoiler:The Big One, who, for some reason, decides ''not to run away from the very large and very dangerous dinosaur'', dies at her hands -- well, teeth, anyway.]] [[spoiler:Later, during the events of ''Camp Cretaceous'', she's very much at the top of the food chain on post-abandonment Isla Nublar, and so much so that a mixed species herd of dinosaurs (including giant ''Brachiosaurus'') which had been stampeding in one direction promptly turn around the other way the moment they see her.]]
* EarnYourHappyEnding: [[spoiler:Rexy has lived in solitude for more than 30 years, surviving against the odds multiple times. After finally defeating her most primordial rival, her story ends with her encountering members of her own species for perhaps the first time in her life, with the implication being that she will spend her final years as part of a family.]]
* EnemyRisingBehind: [[spoiler:Rexy gets a great one of these after recovering from the ''Giganotosaurus''[='s=] assault, slowly rising into view behind the larger theropod as it's distracted by the ''Therizinosaurus''.]]
* ExitPursuedByABear: Seemingly a favorite of Rexy, being the eventual dispatcher of the main villains in ''Jurassic Park'' and ''Fallen Kingdom''. Subverted in ''Jurassic World'', where Claire attempts to [[SummonBiggerFish invoke this]] against the ''Indominus rex'', but it's ultimately the ''Mosasaurus'' that gets the honor of finishing it off.
* FearsomeFoot: Its first appearance puts a particular emphasis on her foot, particularly when she has Grant and Lex cornered and is curious about them. Its currently the Trope Image.
* FinalBoss: In licensed games based on the first film, Rexy is often the last opponent Dr. Grant has to deal with. Notably, there's no way to actually kill her, all Grant can do is stay far away from her until the end of the level.
* FirstBlood: [[spoiler:In the fight against the ''Indominus'']], Rexy draws first blood.
* FoeTossingCharge: After getting a second wind in her fight against the ''I. rex'', [[spoiler:Rexy hurls it against the fence around [[AlwaysABiggerFish the Mosasaurus' lagoon]]]]. [[spoiler:She pulls this out again after recovering during her fight with the ''Giganotosaurus'', taking the opportunity to tackle it when it's distracted by the ''Therizinosaurus'' and throws it onto the other dinosaur's claws.]]
* ForceAndFinesse: In the battle against the ''Indominus'', Rexy serves as the force to Blue's finesse, utilizing her great strength and weight to deliver damage and knockback while Blue is lithe, but acrobatic and intelligent, using her wits and agility for distraction.
* GenerationXerox: Just like her Cretaceous ancestor, Rexy has a rivalry with a ''Giganotosaurus''. [[spoiler:However, her ancestor was killed by her rival, while Rexy survives and is able to kill hers.]]
* GeneticMemory: The Extended Edition of ''Dominion'' implies that Rexy remembers how her Cretaceous ancestor [[spoiler:fell to a ''Giganotosaurus'' millions of years ago, and that memory is enough to give her HeroicSecondWind against her modern adversary]].
* GiantEqualsInvincible: Rexy is this in the older ''Jurassic Park'' licensed games where all the player can do is shoot and bombard the tyrant lizard in an effort to daze or slow her down. No matter how much is thrown at her, Rexy isn't going to die.
* GoFetch: On the receiving end of this, twice in a row. [[DrawAggro Grant draws a flare and throws it away from the jeep Rexy was attacking]], saving Lex and Murphy. Malcolm tries the same thing, and it fails horribly, resulting in Malcolm getting injured and Gennaro getting eaten.
* GodzillaThreshold: She's the "Godzilla" in this case as while Owen, Claire, and Lowery are desperate in bringing down the ''Indominus'' after she kills most of the raptors, Gray suggests "more teeth", giving Claire the idea to release Rexy in an effort to better their chances of fighting the ''Indominus'' back. It pays off with Rexy and a surviving Blue contributing to the ''Indominus'''s death, saving Isla Nublar, the dinosaurs, and survivors of Jurassic World.
* GoodScarsEvilScars: Her scuffle against The Big One in the first film, while one-sided on Rexy's part, saw her endure everlasting scars from where the raptor attacked her. Nevertheless, the scars show off her age and reputation as a battle-hardened dinosaur, predator, and an AntiHero. She gains more scars after her fight against the ''Indominus''.
* HairTriggerTemper: Her Aggression Index is listed as "High". The former statement is ''not'' an understatement [[spoiler:and comes in very handy in ''Jurassic World'' in the fight against the ''Indominus rex''.]]
* TheHeavy: She's the most recurring dinosaur and the first one to attack the protagonists, splitting them up, but she's DemotedToExtra in favor of the raptors. [[spoiler:She ironically helps save the protagonists in the end by killing the raptors attacking them.]]
* HellIsThatNoise: She has two of note in the first film; one includes the loud, thunderous footsteps she makes to announce her arrival, which all characters treat with quiet dread when they hear it. The other is her roar, which is shown to be deafening up close and likely to strike terror in any human who hears it.
* HeroicSecondWind:
** [[spoiler:She takes a severe beating in the opening blows of the fight with the ''Indominus rex'' (getting body slammed, savagely mauled on her flanks, and thrown headfirst into a souvenir booth). Blue's intervention not only saves her life but when Rexy re-enters the fight, she's slamming the ''Indominus'' through buildings and throwing it like a ragdoll.]]
** [[spoiler:Similarly, after getting knocked unconscious by the ''Giganotosaurus'', the intervention of the ''Therizinosaurus'' keeps her from being finished off and she comes back into the fight and quickly takes advantage of the situation.]]
* HistoricalBadassUpgrade: ZigZagged. Rexy has [[LivingMotionDetector vision problems]] in the first film unlike the real deal and scientific studies since the film's release suggested the real-life ''T. rex'' was just as tough if not tougher than Rexy when it comes to combat. However, Rexy has two key advantages over her real-life counterpart: 1) As Zia Rodriguez points out, she can live significantly beyond the lifespan of a real ''T. rex'' thanks to modern healthcare provided by her caretakers. And 2) She can run up to 32 MPH while the real animal is generally believed to have been only capable of about 12 MPH.
* HowTheMightyHaveFallen: [[PlayingWithATrope Played With]]; Rexy was the dominant carnivore on Isla Nublar for almost 3 decades. At the Biosyn facility in the Dolomites, she's suddenly in direct competition not with a psychotic killer but another apex predator; one that's bigger, younger, and fitter than she is. When she attempts to defend a deer carcass from the Giganotosaurus, she's quickly driven off. [[spoiler:But as she demonstrates in the finale, she's not willing to fully give up the crown without a fight and demonstrates she's capable of taking it back using her experience as much as anything else.]]
* TheJuggernaut: Once she gets going, she is relentless and completely unstoppable, smashing through any obstacle that gets in her way, whether it be a tree while chasing a Jeep, or a ''Spinosaurus'' skeleton while pursuing Claire.
* JustDesserts: As a known Man-eater, she has been on the delivering end of this onto several human Villains/{{jerk|ass}}s including [[spoiler:Eli Mills, Mitch, and Gennaro.]]
* KnowWhenToFoldEm:
** During the jeep chase, Rexy gives up on chasing the vehicle as soon as it reaches a speed she can't match, rather than waste the energy.
** In a Dino Tracker video, Rexy attacks an ''Apatosaurus'' herd. When the adult member she engages into battle hits her with a powerful warning tail whip, she promptly retreats afterwards, recognizing they're too dangerous to hunt.
** After being bitten in the snout by the ''Giganotosaurus'' when fighting it over a deer carcass, Rexy figures it's too much trouble to be worth it and merely walks away before she can receive further injuries from the larger theropod.
* LargeAndInCharge: Rexy is the largest ''Tyrannosaurus'' and the third biggest theropod in the franchise (only the ''Giganotosaurus'' and ''Indominus'' are bigger. The ''Therizinosaurus'' is slightly taller but not as heavy). She's also regarded as the uncontested top of the Isla Nublar food chain, dwarfing all other predators and capable of bringing down even the giant sauropods on the island.
* LastOfHerKind: Born in 1988, the oldest among seven ''Tyrannosauruses'', Rexy has outlived all of her known "siblings" and is the last known surviving dinosaur from the [=1980s=] and the original park. It was thought she was the last of her species due to reports that Isla Sorna's ecosystem had been destroyed, as was believed and reported on by the Dinosaur Protection Group; but this was revealed to be untrue with Mantah Corp's captured ''Tyrannosaurus'' being from Site B. [[spoiler:She later encounters the Buck and Doe ''T. rexes'' in the abandoned Biosyn Valley.]]
* LetsYouAndHimFight: Rexy is bought into this by Claire in a desperate plan to release and bring along a large predatory dinosaur to fight the ''Indominus rex'', who has been wrecking Isla Nublar nonstop since her escape. When the two finally confront each other thanks to Claire throwing a flare she used to guide the tyrannosaur unto the hybrid dinosaur, Rexy starts off with a bellowing roar before drawing first blood.
* LightningBruiser: Hammond clocked her at 32 miles per hour. She's also very big... and apparently resilient to trees. [[spoiler:Throughout the ''Jurassic World'' trilogy, she is incredibly fast and vicious for a ''rex'' of her age and size.]]
* LivingMotionDetector: Dr. Grant once touted a scientific theory that the vision of a ''T. rex'' is based on movement, and Rexy seems to prove that theory when she fails to find the motionless Grant and Lex. But since this theory has been the subject of ridicule in real life, Rexy's vision problems have been quietly dropped since her return in ''Jurassic World''.
* MadeOfIron: [[spoiler:Even though Rexy took a rather savage beating from the ''Indominus'' at the beginning of their throwdown in the climax, once she got a [[HeroicSecondWind moment to recover]], she was unhindered and, if anything, just seemed more pissed off by her injuries than anything else. Likewise, the final scene of ''Jurassic World'' shows Rexy to be in excellent shape in spite of her age and injuries from the ''Indominus'']].
* {{Mascot}}: The face of Jurassic World. In fact, when Dr. Wu talks about the motivation for engineering the ''I. rex'', he says that the park "needed a new ''T. rex''".
* MascotVillain: {{Downplayed|Trope}}; Rexy does try to kill the kids and is an extremely dangerous force of nature in the first film, but that's because she's a predator who's acting out of her own natural instincts, not to mention it's the Big One and her ''Velociraptor'' pack that are the main threat to the protagonists. Further {{subverted|Trope}} when Rexy ends up becoming an AntiHero, though she does have her moments of being an AntiVillain.
* MightyRoar: She unleashes one of the most [[SignatureRoar well-known]] (and [[StockSoundEffects most used]]) in cinema. [[spoiler:She still has it by the time of the ''Jurassic World'' trilogy.]]
* NeverMessWithGranny: Almost three decades old by ''Jurassic World'' and the oldest known living dinosaur. An elder by ''T. rex'' standards (the longest-lived ''T. rex'' found was 28), Rexy's a bit more gaunt and scarred, she's missing a few teeth, and her walk is noticeably stiffer. In ''Fallen Kingdom'', it's even shown that her roar, while still sonorous, isn't quite what it used to be. [[spoiler:But she still puts up a better fight against the ''Indominus'' than any other opponent and plays a major role in finally defeating it. Interestingly, Zia noted that through a combination of a life half-lived in captivity and the cloning process, it's likely that Rexy will probably live beyond a natural lifespan. When she eventually encounters the ''Giganotosaurus'', she is 34 years old -- a minimum of 30 years older than the other dinosaur -- but puts up a solid fight and uses her experience to take advantage of an opening to quickly finish her opponent off]].
* NiceJobFixingItVillain: She's not technically a villain -- she hunts only when she ''needs'' to -- but she noms the raptors in the first film. In that situation, nomming the raptors is a ''good'' thing. [[spoiler:Also, contributing to the demise of the ''Indominus rex''. This is a good thing, a ''very'' good thing.]]
* NoHoldsBarredBeatdown: Despite getting the first hit and displaying a better fighting chance than the Raptor Pack, Rexy still ends up on the receiving end of the trope from the ''Indominus'', who proceeds to thrash the tyrant lizard around with a little effort and maul her to death's door, only being saved by a timely intervention from a still-living Blue.
* NominalHero: While not exactly on the heroes' side, Rexy does see any antagonistic dinosaur as a threat and villainous humans as potential prey. Her killing The Big One, Mitch, and Mills is basically her putting a stop to a major threat. Of course, there's also her battle against the ''Indominus'' and the ''Giganotosaurus'' which ends up saving the heroes' lives.
* NonMaliciousMonster: Although Rexy breaking out is what kicks off the start of the disaster in the first film, ultimately she's just a predatory and territorial animal rather than a true villain. [[spoiler:In fact, near the end, she saves Alan and the rest when she attacks and kills the ''Velociraptors'' that were about to attack them]]. Even in ''Fallen Kingdom'', when she and Owen wind up trapped in a container, her reactions are her understandably freaking out rather than trying to eat him.
* OlderHeroVsYoungerVillain: [[DownplayedTrope Rexy is an anti-hero at most]], but given she's 30 years old by that point and a relic from the Jurassic Park days, she qualifies in comparison with any adversaries she faces off in the ''Jurassic World Trilogy''. In ''Jurassic World'', she competes against the ''Indominus rex'' who was recently created for the titular park to renew the titular park's popularity with hybrid dinosaurs, and in ''Dominion'', Rexy challenges a ''Giganotosaurus'' created by Biosyn a couple of years ago by estimate.
* OneHitKill: Being a ''Tyrannosaurus'' having the most powerful bite out of any land animal means a single chomp makes nearly anyone a goner if they're caught. In video games, Rexy's bites will enforce that you will die instantly and start a level all over again.
* QuizzicalTilt: She does this occasionally in the first film, mainly due to her curiosity in not having known about humans all that much. She does this to Lex and Tim's jeep to assess whether she could attack it and again to Gennaro upon exposing him by destroying the restroom, expressing curiosity upon him before lunging for the kill.
* RecurringBoss: In the licensed arcade game of the first film, Rexy is fought three times, specifically in Levels 1, 2, and 4. For bonus points, she's the first ''and'' last dinosaur you fight against.
* RetiredBadass: By ''Film/JurassicWorld'', Rexy is already past her prime and seems content with a semi-domesticated life. On a meta-level, Colin Trevorrow compares her appearance in the film and [[spoiler:her battle against the ''Indominus'' as her personal ''Film/{{Unforgiven}}'']].
* RightfulQueenReturns: In ''Film/JurassicWorld'', when she's called upon to help save the day.
* RoarBeforeBeating: She roars occasionally before attacking her enemies and prey. She announces her presence in this way before the two jeep attacks in the first film and when confronting the ''Indominus'' for the first time during the 2015 Isla Nublar Disaster.
* ScarsAreForever: The main clue that she is the same ''T. rex'' as always is the presence of scars corresponding to the raptor fight in the climax of the first film. [[spoiler:She picks up a bucketload more following her fight with the ''Indominus'', but Rexy gave as good as she got.]]
* SheIsTheKing: "Rex" translates to "king", meaning ''Tyrannosaurus rex'' translates to "Tyrant Lizard King." Rexy is female.
* ShownTheirWork: In ''Dominion'', she is redesigned with non-pronated hands just like real theropods.
* SignatureRoar: Her roar is impossible to mistake for anything else and [[StockSoundEffects has frequently been recycled]]. Ardent fans of the film series will be able to recognize the sounds of the other dinosaurs just as well; some of the notable ones are ''[[GentleGiant Brachiosaurus]]'' and ''[[RaptorAttack Velociraptor]]''. Interestingly, the iconic high-pitched, almost pinched sound in Rexy's roar was provided by a baby elephant's first attempts at trumpeting. The rest of it was built out of a lion, a tiger, and an alligator.
* SparedByTheAdaptation: [[spoiler:In the original novel, Rexy is taken out shortly before the novel reaches its DarkestHour, succumbing to the tranquilizers that Muldoon fired upon her two hours ago. She is never seen or mentioned again after she passed out and, according to Wu and later the population count, most likely drowned in the pool she was in. [[MakeSureHesDead The Costa Rica napalm bombings made double assurance of her demise]]. In the ''Jurassic Park'' movie, none of these two events occurred, which allows Rexy to reach the Visitor Center in time to rescue the protagonists from the raptors and later allows the Masrani Global Corporation to move her to a new exhibit enclosure in ''Jurassic World'' where 22 years later, she would be released to fight the ''Indominus rex''.]]
* StealthyColossus: The ''T. rex'', whose presence throughout the first film has been indicated by earth-shattering footsteps, manages to get into the Visitor Center without anyone noticing, before attacking the raptors. In ''Fallen Kingdom'', she is shown to ambush her prey without warning, best demonstrated with [[spoiler:[[BigBad Mills]] at the climax of the film]].
* StrongAndSkilled: The ''Indominus'' was a powerhouse with no real fighting experience that relied on its size and adaptability to win fights. Rexy is incredibly strong and has also lived in the wild for a decade before Jurassic World opened. She's much more experienced in a fight and shows it, being capable of completely changing her fighting tactics once she's recovered from her first round with the hybrid. [[spoiler:Shows this again when fighting the ''Giganotosaurus'' as rather than charging in once she's recovered from the initial takedown, she waits for the other theropod to be distracted and goes for a single hit kill]].
* SuperPersistentPredator:
** {{Subverted|Trope}}; Rexy does chase after anything she can sink her jaws onto, but she does show some restraint and will back away if the effort is not worth it. For example, she chases a rescue jeep sent out to rescue Grant, Malcolm, Lex, and Tim, but eventually stops after the jeep leaves her territory. In ''Dominion'' after getting her snout mauled by the residential ''Giganotosaurus'' over a deer carcass, Rexy leaves, figuring that fighting against a rival predator over a small corpse is pointless.
** Played straight in ''VideoGame/JurassicParkRampageEdition'', where Rexy gives chase to Dr. Grant in the final level and ''won't'' stop until the player reaches the end. All Grant could do is use whatever weapons he has to slow Rexy down before she could catch and devour him.
* SuperStrength: Even for a dinosaur her size, Rexy is monstrously strong. During the fight with the ''Indominus'', she twice demonstrates this, first by grabbing the 10-tonne animal in her jaws and physically hurling it several dozen feet and then following up by tossing it a similar distance using her head. Her being able to topple the ''Indominus'' is one thing but she's essentially able to lift her own entire body weight plus change and hurl it through the air. [[spoiler:In her final battle against the ''Giganotosaurus'', Rexy uses all of her strength to push the larger theropod into the claws of the ''Therizinosaurus''.]]
* TagTeam: With Blue against the ''Indominus'' at the climax of ''Jurassic World''. They prove to be more formidable than the hybrid monster, bringing it close to defeat before the ''Mosasaurus'' claims the kill.
* ATasteOfPower: A variant of sorts; the first level in the special edition of the [=PS1=] ''[[VideoGame/TheLostWorldJurassicPark Lost World]]'' game takes place during the 1993 Isla Nublar Downfall and with Rexy as the playable character to deliver the promise of players being able to play as a ''T. rex''. Upon completing the level, the play immediately switches to controlling a ''Compsognathus'' and while ''Tyrannosaurus'' would eventually become playable again, it is a different one, namely the Buck from Isla Sorna.
* TerrifyingTyrannosaur: She invokes nervousness from the Jurassic Park staff and her literal breakout debut on the silver screen redefines what it means to be scared by a ''T. rex''. Rexy is also the most powerful ''T. rex'' of the franchise and even in her old age during the ''Jurassic World'' era, she can put up a fight against larger therapods and still hunt humans for a quick snack.
* TheToothHurts: When she attacked Lex and Timmy's explorer, she struck the roof with such force that she snapped one of her front teeth off. This gives her a prominent diastema which serves as one of her distinguishing traits.
* ThemeMusicPowerUp: A variant; the music during the ''Velociraptor'' chase in the Visitor Center is intense and scary, especially when the raptors have the heroes cornered... until Rexy suddenly kills one of the raptors, immediately followed by the ''Jurassic Park'' Theme playing, signaling some sort of hope and chance being given to the human survivors.
* UnstoppableRage: [[spoiler:She's already furious when she sees the ''I. rex'' intruding on her territory. But after receiving a savage beating and Blue giving her a HeroicSecondWind, she goes full-on berserk and gives the ''I. rex'' an ''even more intense'' beatdown.]]
* UseYourHead: She is willing to use her skull as a battering ram if need be. She does this to a ''Spinosaurus'' skeleton before encountering the ''Indominus'', and she uses it offensively against her as well as the ''Giganotosaurus'' in ''Dominion'' when they finally start throwing down. In ''Fallen Kingdom'', she headbuts an unsuspecting ''Carnotaurus'', inadvertently saving Owen, Claire, and Franklin.
* VictoriousRoar: After defeating the ''Big One'', the [[spoiler:''Indominus'']], the ''Carnotaurus'', the [[spoiler:''Giganotosaurus'']] and the [[spoiler:''Tarbosaurus'']] across all of her film appearances thus far, she always lets off one of her [[SignatureRoar famous roars.]]
* VillainKiller: [[spoiler:Rexy eats the DirtyCoward lawyer Donald Gennaro and the CorruptCorporateExecutive Eli Mills.]]
* VocalEvolution: Her roars in ''Fallen Kingdom'' and ''Dominion'' sound deeper, more guttural, and more bellow-like to emphasize her old age.
* TheWorfEffect:
** Briefly, in ''World''; [[spoiler:the ''I. rex'' puts down a massive beating on the old girl when they initially face off. Justified since the ''I. rex'' was tailor-made with all of her strengths and ''more'', as well as because Rexy was initially fighting as she would in a territorial fight, whereas the ''I. rex'' was fighting to kill from the start; it takes an assist from Raptor Blue to give her a second wind]].
** She's on the giving end in ''Fallen Kingdom''. As the ''Carnotaurus'' is menacing our heroes, Rexy comes out of nowhere, grabs it by the neck, and pins it to the ground. The real icing on the cake is that she doesn't deliver the final blow with her infamous jaws, she kills the ''Carnotaurus'' by simply lifting one foot to walk away, leaving all of her considerable tonnage on the poor animal's neck.
** [[spoiler:When she first encounters the ''Giganotosaurus'', after a brief struggle she retreats rather than fight, highlighting the power of the new dinosaur while also setting up the later battle for the apex position]].
* WorthyOpponent: She appears to regard Blue as this, as she shares a look with her after [[spoiler:they've defeated ''Indominus'']] and they peacefully go their separate ways.
* WouldHurtAChild: Tim and Lex were the very first individuals that Rexy attacks on-screen. Interestingly, while a horrifying scene, it doesn't really villainize Rexy too much, so much as it displays how ferocious she is as a predator. She's acting more out of curiosity than any malice, but Grant and Malcolm thankfully put a stop to that... with a whole slew of new problems. On another note, Rexy does antagonize a baby ''Triceratops'' in the Telltale game as well as threatening the Campers in ''Camp Cretaceous''.
[[/folder]]
[[folder:The ''T. rex'' Family]]
!!''Tyrannosaurus rex'' Family ("Buck", "Doe", "Junior")
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/img_5480.JPG]] [[caption-width-right:350:''"Mommy's very angry..."'']]
!!!'''Appearances:''' ''Film/TheLostWorldJurassicPark'' | ''Film/JurassicWorldDominion''
->''"All I want in return for my services is the right to hunt one of the ''Tyrannosauruses''. A male, a buck only."''
-->--'''Roland Tembo'''
A [[ExactlyWhatItSaysOnTheTin family of]] ''[[ExactlyWhatItSaysOnTheTin T. rexes]]'', consisting of a father, a mother, and a baby.
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