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Characters / Adventure Time Jake

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Main Character Index | Main Characters | Finn | Jake | Secondary Characters | Antagonists and Enemies | The Lich | Minor Characters | Fionna and Cake Characters | Distant Lands Characters
Voiced by: John DiMaggio

Finn's chummy, size-shifting bulldog friend (not pet) and foster-brother. He is more laid back than Finn, but also enjoys adventure. He sometimes gives Finn brotherly advice, but it is not often helpful.

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  • Animalistic Abomination: While he's introduced as a dog with stretching and shapeshifting powers, his parents were ordinary dogs. It turns out he was spawned from a bump that appeared on his father Joshua's head after he was bitten by a shapeshifting monster.
  • Ambiguously Jewish: His picture in the Xmas special suggests this.
  • Attack of the 50-Foot Whatever: Part of what his powers entail, the other being shape-shifting.
  • Attention Deficit... Ooh, Shiny!: "Power Animal" deals with how this affects Jake; he wants to find Finn, but keeps getting distracted.
    Jake: (giving his sandwich to BMO) Take my sammich, BMO. I'm gonna look for... (looks at the ground, gasps) A dancing bug!
  • An Axe to Grind: Though it's not very necessary.
  • Badass Adorable: He's a shape-shifting dog who's super flexible and makes the cutest faces.
  • Beta Couple: Becomes part of one with Lady Rainicorn.
  • Beware the Silly Ones: He's for the most part a pretty lackadaisical and apathetic guy who likes a great meal, sleeping, jokes, and fun times with his friends and loved ones. He's also a shape-shifting part-alien Animalistic Abomination and Reformed Criminal who can be insanely dangerous when provoked and has no problems with killing threats. For example, when Finn broke his videogame console as punishment for ignoring training, his response was to declare he was going to break every bone in Finn's body and tried to do just that.
  • Big Brother Instinct: Played with. He's not as physically protective as most examples of this trope, but he is very tuned into Finn’s emotional well-being, and hurting his little brother’s feelings is the surest way to get on Jake’s bad side. He even claims to have a “Finn sense” that tells him when Finn is about to cry, and the angriest we ever see him is when he’s ripping a new one into Princess Bubblegum for breaking Finn’s heart. The last season even suggests that he denies his own emotional well-being and processing of trauma in order to put on a brave face for Finn and protect him.
  • Big Brother Mentor: Sometimes acts as one to Finn.
  • Big Eater: When given a choice of weapons, he chooses sandwich over sword.
  • Big Friendly Dog: Sometimes he's big but he's always friendly.
  • The Big Guy: Given that he's a Sizeshifter, he definitely qualifies.
  • Big Little Brother: He might be slightly younger or the same age as Finn (he was a puppy when Finn was a toddler), but he's clearly taken the big brother role, along with being his general protector.
  • Brilliant, but Lazy: His shapeshifting powers could easily allow him to defeat most enemies if he used them strategically, but he's far too lazy to learn to use them to their fullest.
  • Brought Down to Normal: Brought on by a witch. Jake turns out to be completely useless without his powers.
  • Brutal Honesty: Jake is not known for his tact or patience so he tends to blurt out whatever he's thinking.
  • Canine Companion: Or rather, canine best buddy. Do not call him Finn's pet.
  • Chaotic Good: In-universe-assigned alignment in the comic series.
  • Characterization Marches On: Early episodes painted him as the more Neutral Good reasonable half of the duo, before settling on making him a Chaotic Good Jerk with a Heart of Gold.
  • Cloud Cuckoolander: He can be fairly odd at times, to say the least.
  • Collector of the Strange: In "The Jiggler" he reveals he has a mint condition eyepatch collection. It's never mentioned again.
  • The Corrupter: He sometimes tries to convince Finn to commit morally questionable deeds and even murder when it suits him.
  • Dark and Troubled Past: In "The Apple Thief", Jake says he knows the darker side of the Candy Kingdom. He used to be a criminal who stole purses and hawked stolen bicycles which could explain his actions in "City of Thieves". A later episode actually shows that he was a criminal mastermind who managed to get out of the business (because he realized it was wrong).
  • Depending on the Writer: Like Finn, Jake's morals can shift from episode to episode, though he's always on the good side of the scale.
  • Deuteragonist: It's "Adventure Time with Finn and Jake" after all.
  • Disappeared Dad: He has better intentions than most of the Adventure Time fathers, and he really does love and miss his kids, but "Ocarina" framed this approach as not a good thing.
    • It's implied that since his puppies matured into adulthood faster then he thought they would (to point that he's actually younger than them), he's under the impression that they really don't need him anymore; unlike Finn a growing boy who definitely needs him. Or it could be Jake just being Jake.
  • Distaff Counterpart: Cake.
  • Even the Guys Want Him: Prismo and Tiffany both seem to really like Jake.
  • Evil Laugh: In "My Two Favorite People", Jake pulls this off surprisingly well.
  • Explosive Breeder: By the time of Ooo's future, Jake and Lady's rainicorn pups have exploded into a gigantic Kingdom called the Pup Kingdom, ruled by Jake's tyrannical immortal God-Emperor grandson, Gibbon. The Kingdom has a space elevator and is implied to have offworld colonies and has totally driven the Candy Kingdom into hiding in the Prizeball Guardians. Finn and Jake's successors Shermy and Princess Beth fight against Gibbon's empire to free the magic stolen from Jake's other descendants.
  • Fatal Flaw: His inability to pay attention or focus on a task often acts as a hindrance for both himself and Finn, particularly in " "Morituri Te Salutamus" and "Power Animal".
  • Female Feline, Male Mutt: His genderbent counterpart is a cat.
  • Fetish: Jake has a weird interest in boots, for some reason.
    • In "Freak City", Jake tells Finn he always wanted to be a big foot, and that Finn will understand when he's older.
    • In "Blood Under the Skin" he seemed to really like dressing in lady armor.
  • Furry Reminder: Exhibits canine-like behavior once in a while (i. e. barking).
    • In "The Gut Grinder," he admits that he likes to stick his nose in poop due to there being a lot of interesting smells in it.


  • Mellow Fellow: Every bit as laid back as Finn is Hot-Blooded, to the point where he accepted his apparently incoming death after his "croak dream". By his own admission he doesn't care about much of anything and simply takes life as it is. This actually becomes a Fatal Flaw in the "Elements" arc where his lazy and passive personality becomes so overwhelming he almost lets himself and Finn die.
  • Mr. Imagination: In "Rainy Day Daydream", it manifests as Reality Warper powers. Outside of that episode, it's more subtle, but he often does consult with figments of his imagination, daydream, or otherwise let his imagination run away from him.
  • Mundane Utility: Will use his powers in any way that seems useful.
  • Mundane Wish: Everytime, his first choice will be a sandwich. It appears this is because the idea of wishing for something important terrifies him. Indeed, when Prismo explains to him how he has to make an important wish and word it just right; because worlds will end, babies won't be born, and life hangs in the balance, he throws up. Fortunately Prismo walks him through word by word what he should wish for.
  • The Napoleon: Small, but very aggresive.
  • Nice Guy: When he's not being a Jerk with a Heart of Gold, he's normally very friendly and easygoing.
  • Non-Human Humanoid Hybrid: Margaret isn't his biological mother. Jake was born from a lump on Joshua's head that formed after he was bitten by an Eldritch Abomination, and it's highly implied that this is the origin of his strechy powers.
  • Non-Human Sidekick: Not actually all that odd, given the setting.
  • Not Quite Back to Normal: At the end of the "Elements" Mini-series, the World-Healing Wave awakens his full alien shapeshifter heritage, though he doesn't seem to initially notice.
  • Nuclear Nasty: In the alternate universe featured in "Jake the Dog", the radiation of the first Mushroom War bomb turns him into the Lich.
  • Official Couple: He and Lady Rainicorn. He's dead set on eventually starting a family with her, and as of "Jake the Dad", the two had kids.
    • He eventually gets one with her in "Jake the Dad"
  • Older Sidekick: Finn started the series 12 years old and Jake is 28 (this is in "magical dog years" though, and it turns out they were actually born around the same time).
  • One of the Kids: Somewhat. He's old for a dog, but he acts a lot like the Kid Hero (eventually childish-acting Teen Hero) Finn.
  • Overprotective Dad: At first with his and Lady's children, strictly adhering to the manual his mom left for him. He stops when he realizes that, like he was as a kid, his children can take care of themselves.
  • Pals with Jesus: While Prismo falls more into Reality Warper than Physical God, the trope sorta applies. He befriends both Prismo and Cosmic Owl by the end of the Season 5 premiere episode. It benefits Jake greatly because Prismo goes out of his way to help Jake word out his wish to screw the Lich over. He even invites Jake to drop by any time.
  • Papa Wolf: He often acts like a father figure to Finn. He is usually very lazy and indifferent about most things, but when something serious happens to his younger companion, you better not be around. He can sense when Finn is about to cry, calling it a "mother-daughter thing" (which is rather ironic, since he and Finn are both male). He's also generally protective of Finn.
    • His "The Reason You Suck" Speech he made to Princess Bubblegum in "Burning Low":
      Jake: (...) YOU HEARTLESS MONSTER! Do you have any idea how much he's CRIED OVER YOU?! (...)
    • He later tries to be this to his own children, but he ends up veering into Overprotective Dad territory instead.
  • Parental Neglect: Played with in an extremely depressing way. Jake is initially a devoted father who gives up adventuring with Finn to be with his family, and dotes on the pups to the point of being overprotective. However, being half-rainicorn, they grow to adulthood within a few days. While this initially comes off as Negative Continuity, later episodes featuring his family make it clear that the moments we see are the only moments Jake has spent with his children since their birth, to the point where he hasn't spoken to two of them. He seems to be under the impression that they don't need him anymore (like real animals are with their young), but some such as Kim Kil Whan are quite resentful of Jake for choosing adventuring over his family. Although "Apple Wedding" suggests that he's depressed that he never got the chance to raise them properly, and the fact that technically they are actually older than him is something he can't cope with.
  • Real Men Cook: If there's cooking to be done, he's usually the one to do it. He's also exceptionally talented at it.
  • Reality Warper: Using his imagination. Though only for one episode, and for no explained reason.
  • Reformed Criminal: He once ran a gang of bank robbers who were quite successful when he was younger, but he left the life behind. He pulls his gang back together in "One Last Job."
  • Rhymes on a Dime: He seems to enjoy a good rhyme. Forceed Finn to communicate via rhyme during "Ocean of Fear"
  • Rubber Man: Has stretching powers that could give Mr. Fantastic a run for his money.
  • Running on All Fours: Well, yeah, he's a dog. He usually goes around on his hind legs, but he'll go on all fours if he needs to go fast or if Finn is riding him.

  • Serious Business: Whenever he makes sandwiches, burritos... well, anything with lots of ingredients, let's just say he becomes attached to his creations like an overprotective mom.
  • Shapeshifter Weapon: His arms can turn into anything, such as swords, hammers, and even giant weights.
  • Shapeshifting: His signature power that allows him to change into basically any shape he wants.
  • Sizeshifter: He has stretching powers, and can turn himself bigger or smaller than usual.
  • Shipper on Deck: Or at least loves to needle Finn about his crush on Princess Bubblegum. He also looked very pleased when Finn and Flame Princess hugged... And he also got quite excited when he thought PB was jealous. Most likely Jake approves of any sort of relationship Finn has with a girl, so long as Finn's happy with it.
  • The Slacker: He'd rather go with the flow sometimes.
  • Sore Loser: Well, at least when it comes to Card Wars. He grows out of this in "Daddy-Daughter Card Wars", with the help from his daughter Charlie.
  • Spanner in the Works: Jake has trouble sticking to any of Finn's plans.
  • Spider-Sense: Jake has the ability to sense when Finn is about to cry.
  • Story-Breaker Power: Many Finn-centric episodes would actually be solved in two seconds by having Jake around, so his Brilliant, but Lazy personality is used to allow Finn to fly solo and rely on his wits instead, and explain why Jake isn't there (to the point where a couple of episodes actually have Jake shrink down and ride Finn so he can see how it all turns out.)
  • Superpowerful Genetics: "Joshua and Margaret Investigations" reveals that he inherited his powers from a monster that implanted an egg sac in Joshua's head.
  • Super Strength: Jake seems to have this as a Required Secondary Power to his stretchy powers.
  • Trademark Favorite Food: Ice cream. Also sandwiches.
  • Voluntary Shapeshifting: He can shift when he wants to, but he has a limit that makes him super tired if exceeded.
  • Wacky Parent, Serious Child: The wacky parent to Kim Wil Whan.
  • Why Did It Have to Be Snakes?: He used to have a great fear of vampires, especially Marceline.
  • The Worf Effect: His powers are extremely versatile, but he's too lazy to use them to their fullest. When facing high-tier threats such as the Lich, he usually gets knocked out pretty quickly.
  • You Can't Fight Fate: Jake is a very firm believer in this, to the point where he repeatedly attempted to rush to his death due to a supposedly prophetic dream he had.


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