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Action Pet

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Streaky gives evildoers claws for concern.

When a pet can be just as much of an action character as any person.

Even in Real Life, pets aren't always harmless. They can be dangerous (say if people take in attack dogs or rescue dogs with behavioural problems as pets), or helpful. But this takes that even further, where the pet is fed on a diet of Rule of Cool.

These pets don't stop at going for help when people are trapped behind a landslide. They push boulders out of the way, fetch dynamite to toss at those rocks, or even just will the rocks to move by staring them down.

And the kind of pet doesn't matter. A parakeet, to an alligator, could count, as long as it does stuff that even amazes people that know what the species can do.

A Sub-Trope of Action Hero.

Can overlap with Cool Pet, Badass Adorable, Killer Rabbit, Living a Double Life (if the owner is not aware of the pet's action nature), Heroic Pet Story, Heroic Dog, Team Pet.



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    Anime & Manga 
  • Inuyasha features Kirara, an adorable nekomata (basically a feudal era demon cat) that can shift into a vicious combat mode that has increased size and flight. Is part of the main party, but is owned by Sango as a partner in the demon-slaying tribe.
  • Pantherlily from Fairy Tail is this to Gajeel. While the other Dragon Slayers have talking, winged cats as pets, Gajeel has one that can turn into a gigantic humanoid panther who wields a BFS.
  • The Strawhat Pirates of One Piece have a cute, cotton candy loving, naive human-reindeer (a reindeer that can turn into a human) as The Medic, who also doubles up as Team Pet (although he hates being mistaken as the latter). However, once he goes into Monster Point, he can kick some serious ass.
  • Œufcoque of Mardock Scramble is an experimental multi-dimensional all-tool shaped like a mouse. He's also a complete gentleman.
  • JoJo's Bizarre Adventure:
  • Shoukoku no Altair: The entire Tughril clan became famous for training golden eagles to help them hunt and fight. The clan's two surviving members, Mahmut and Süleyman, are never seen without their eagles Iskender and Caterina.
  • Giant Gorg: Argos, the Waves' Great Dane who protects the main character Yuu.
  • In Future Card Buddyfight, the main character's buddy monsters are always by his side.
  • Anpanman: Cheese is the bakery's pet dog. He's very helpful, and he even drives the Anpanman-Mobile whenever Uncle Jam has to make Anpanman's new head!
  • As with the games, most Pokémon are this by default, but Ash's Pikachu is probably the standout example.

    Comic Books 
  • In Superman comics:
    • Krypto the Superdog, Clark Kent/Kal-El's Kryptonian pet dog and loyal partner of adventures since Adventure Comics #210 (1955). Krypto has the full Kryptonian powerset, plus fangs and claws which he isn't afraid of using. In The Coming Of Atlas, Krypto is the only member of the Superman Family capable of holding Atlas at bay after everyone else has been defeated.
    • Back in the 60's, Supergirl used to own a male tabby cat named Streaky -pictured above-, who accidentally gained Kryptonian powers after being exposed to a piece of chemically-altered Kryptonite. Streaky was Kara's sidekick for a while, and he still makes appearances in other media.
    • Krypto and Streaky's popularity led Superman editor Mort Weisinger to introduce more super-powered pets like Comet the Super-Horse and Beppo the Super-Monkey. Eventually, they formed the Legion of Super-Pets, which acted as support for the Legion of Super-Heroes.
  • In Batman comics, Ace the Batdog occasionally helps Batman and Robin solve crimes.
  • Amethyst, Princess of Gemworld has Taffy, Amy's pet dog. His first accomplishment upon entering Gemworld? Tearing out a wolf's throat.
  • Rex the Wonder Dog is a pet that will get up and leave the house and his master in the middle of the night if he thinks someone nearby needs saving.
  • Wonder Woman: Diana's kanga Jumpa has fought supervillains and in Wonder Woman (1942) her horse Serge saved a few children whose chosen location for sledding wasn't very safe.

    Fan Works 
  • A Growing Affection: Ni-ne, Hinata's pet cat a.k.a. happily sealed version of the Two-Tails. She later helps Hinata fight off Kabuto's giant two-headed snake summon and stands guard over Rei when Konan tries to kidnap her.
  • In the Final Fantasy VII fanfic, Cissnei's Path, Rufus Shinra's guard hound, Dark Nation, joins him in every battle and is the first line of defense should something try and harm him.
  • In The Fledgling Year, Aravis’ belligerent horse Inga takes out her fair share of bad guys.
  • In Imaginary Seas, Percy is able to call upon the mounts he used in life due to being summoned as a Rider. So far, he's only used Mrs. O'Leary's aid to Shadow Travel between islands. And while she's a hellhound the size of a tank who is more than capable of taking care of herself, Percy would much rather keep her hidden and safe because of the danger the Lostbelt Servants pose as well as how necessary she is to escape the wrath of Artemis and Zeus.
  • In Ruby and Nora, Zwei, Ruby and Yang's pet dog, beats the living daylights out of Mercury.

    Films — Live-Action 
  • In The Cameraman, Buster's monkey jumps on a Tong thug that is about to jump Buster, saving Buster's life. Then the monkey starts cranking Buster's movie camera when Buster saves Sally, proving Harold's cowardice (he swam away and abandoned Sally) and Buster's heroism.
  • Goose the cat/flerken is arguably the most badass character in Captain Marvel (2019).

  • In The Dinosaur Lords, Karyl's pet dino Shiraa is infamous for her war toll, a capable predator and able to cross half the continent to get to her master. At some point, she even considers eating her pursuers, and doesn't only because she knows Karyl wouldn't approve. Oh, and she's a freakin' allosaurus.
  • The Dresden Files: Harry acquires a very large dog named Mouse which is really a Foo Dog. Said dog is explicitly smarter than a human, VERY resistant to damage, has a bark that can instantly wake everyone in an apartment building during an emergency, and innately detects evil.
  • The Legend of Drizzt: The hero, a dark elf named Drizzt Do'Urden, has a sidekick named Guenhwyvar, a black panther summoned with a magical figurine.
  • In River of Teeth, all the riding hippos of Houndstooth's gang are action pets, but his own Ruby — a particularly well-bred Cambridge Black — is absolutely deadly and practically invisible in the marshlands and always ready for a fight.
  • In A Song of Ice and Fire, the Stark children each adopt one of a litter of orphaned direwolf pups. So far they've saved their owners' lives on numerous occasions.
  • Tortall Universe
    • Starting with Faithful in Song of the Lioness, a divine entity in cat form who accompanies Alanna on her quest.
    • Kel's pets in Protector of the Small, largely due to the presence of Daine at the Palace. The animals Kel adopts — a flock of sparrows, an ornery horse, and a mutt named Jump — are intelligent enough to act as scouts and fellow combatants in battle.
    • Beka Cooper has Faithful again, this time under the name of Pounce, taking an active part in police work. Beka also gets a scent hound named Achoo in the second book. While she's not a fighting dog, she does go with Beka into some dangerous places and takes on a couple of thugs who try to do her in.

    Live-Action TV 

  • Wet Willie's dog in White Water, who accompanies him on all of his river rafting expeditions — over waterfalls, down whirlpools, and dodging boulders — with a big smile.

    Print Media 
  • Disney used to have a magazine where they had super-powered pets named the Jet Pets who attacked villains, while also being adorable pets.

    Video Games 
  • Repede from Tales of Vesperia is Yuri's pet wolf. And he's also a full-fledged member of the party, able to attack, cast spells, use items, and even has his own Mystic Arte. He even fights with a dagger in his mouth.
  • Pokémon is about making creatures into action pets through defeating wild ones.
  • The dog companions in the Fallout series (Dogmeat in Fallout and Fallout 2 (special event), K-9 and Robodog in Fallout 2, the other Dogmeat in Fallout 3, Rex in Fallout: New Vegas, and another Dogmeat in Fallout 4).
  • Koromaru in Persona 3 is a dog who fought off a shadow with his bare teeth and joined SEES to continue the fight, now armed with a knife in his mouth and a super-powered incarnation of his inner psyche. He even saves the entire rest of the team from Shuji Ikutsuki.
    • Before Koromaru was Pascal from Shin Megami Tensei I. Pascal is the hero's pet husky who witnessed the murder of the hero's mother, and tags along with the party. He can fuse with a demon to become a Cerberus that is most likely thirty levels above the hero, and is one of very few demons to be controllable at a higher level than the hero. He even joins the party after the thirty year timeskip, no questions asked. Koromaru's Persona is also named Cerberus as a callback.
  • Dark Souls: Great Grey Wolf Sif could be considered this, as he was the companion of Sir Artorias before his death. He also fought alongside his master and when you face him, he wields Artorias' Greatsword with his mouth.
  • Poppy, Galford's dog in Samurai Shodown, does many of his moves, including some of the super moves.
  • Interceptor, Shadow's dog in Final Fantasy VI, will block attacks. In Final Fantasy VIII, Angelo will perform some of Rinoa's super moves.
  • In the Fate Series the player has a pet that fights and levels up alongside you, and you can transform it from a cat to a werewolf, wyvern, or other such creature to improve its ability to fight your enemies.
  • Battle Princess Madelyn features Fritzy, the ghost of your beloved pet dog, who uses his newfound ghostly powers to fight enemies at your side.
  • In The Last Guardian, the main character needs the help of a griffin-like beast named Trico in not only traversing a gigantic complex of ruins, but also for protection.
  • Little Red Hood: The white dog Little Red Hood can find, which will attack enemies for her.
  • World of Warcraft has several ways for players to summon various creatures to fight alongside them, but the most notable is the Hunter class, whose main gimmick is entirely built around taming wild animals for that exact purpose.

    Web Original 

    Western Animation 


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