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Season 1

    King Worm
Voiced by: Erik Estrada

A giant worm that absorbs one's life force through their dreams.

  • Dream Weaver: His bread and butter.
  • Early-Bird Cameo: Showed up at the end of Evicted in the first season before getting his own episode in season 4.
  • A Glitch in the Matrix: Has a great power into putting people in their dreams, but said dreams tend to be very off to keep his target prisoner.
  • Lotus-Eater Machine: He is one. He tries to put his victims into a nice or normal setting while he sucks their life energy.
  • Poke the Poodle: In his first appearance, he hypnotizes Finn and Jake to hug him.
  • Your Worst Nightmare: Imagining them is the key to defeating him.

Voiced by: George Takei

A brainy creature resembling a walking, talking heart. He's actually the Ice King's heart, granted sentience by a love spell gone wrong.

  • And Now You Must Marry Me: In "Lady and Peebles", he tells Princess Bubblegum that he wants to be "united as man and wife" with her.
  • Art Evolution: Compare his appearance in season 1's "Ricardio the Heart Guy" to his return in season 4's "Lady and Peebles".
  • Ax-Crazy: He is deranged, sadistic and twisted.
  • Asshole Victim: He gets zero sympathy from the audience when Bubblegum finally wrecks him.
  • Beat Still, My Heart: His existence in a nutshell.
  • Big Ol' Eyebrows: Has these despite being an internal organ.
  • Break the Haughty: Princess Bubblegum thoroughly wrecks him in their fight in "Lady and Peebles".
  • The Bus Came Back: Returns in the final season as part of Gumbald's army.
  • Evil Counterpart: To the Ice King. Both want Princess Bubblegum and are antagonists, but the Ice King is a sympathetic Ineffectual Sympathetic Villain while Ricardio is an unsympathetic creep who tries to take her heart out.
  • Evil Is Visceral: He's a living heart, for starters.
  • Evil Sounds Deep: Given who he's voiced by, it's to be expected.
  • Eviler Than Thou: He's eviler than the Ice King. Granted, it isn't that hard, but he's still pretty scary.
  • Faux Affably Evil: Puts up a polite front, but is anything but.
  • Feigning Intelligence:
    • He's not as smart as he likes to think. This is pointed out by Princess Bubblegum when he holds her hostage:
      Bubblegum: I feel like a big idiot for not believing you. He was just so engaging. Though his knowledge on planetoids is actually pretty weak...
    • And again when he reappears in "Lady and Peebles".
      Bubblegum: You thought we were intellectual equals!?
    • In "Lady and Peebles", Princess Bubblegum lampshades the poorly thought-out design of his new body.
      Bubblegum: This body you designed is self-congratulatory garbage! See, I know a thing or two about building a body out of biomass, and you don't leave your heart exposed!
  • Glass Cannon: His new body is strong enough to tie Lady Rainicorn in a knot, but his soft spots were still exposed.
  • Gonk: His face is disturbingly realistic.
  • Gross-Up Close-Up: A particularly memorable example of this trope when he reveals his plans:
    Ricardio: Now I'm going to cut out Princess Bubblegum's heart [close up] and make out with it.
  • Hate Sink: Easily one of the most despicable characters in the series. Unlike other redeemed villains such as Ice King, Lemongrab or Magic Man, his villainy is not the product of a tragic backstory. He's just an utter asshole without redeeming traits.
  • Karma Houdini: One of the few villains in the series whose whereabouts is completely unknown. In "Come Along With Me", he escapes the war against GOLB.
  • Nonstandard Character Design: Has a more detailed face than other characters.
  • Punny Name: Get it? Cardio.
  • Smug Snake: He is Feigning Intelligence, as detailed above.
  • The Sociopath: His charm is a mere facade to hide the manipulative, deranged, remorseless psycho he really is.
  • Vile Villain, Saccharine Show: Ricardio is not only a blood covered giant organ with a scary looking face and hideous biomechanical limbs, he's also the closest thing to a rapist they could get away with having in a kid's show.
  • Villain Team-Up: With Gumbald in "Gumbaldia".
  • We Will Meet Again: And he made good on his word come "Lady and Peebles".
  • What Happened to the Mouse?: The last time we see him, he escapes the war against GOLB, so his final fate is unknown.
  • Wicked Heart Symbol: He's an actual red heart with a face, arms, and legs. He manipulates Princess Bubblegum with the intention of cutting out her heart.
  • Wrong Genre Savvy: When building his new body, he failed to realize a major flaw: leaving the heart exposed.

Season 2

    Hunson Abadeer
"Well, I'm sure not the guy who's gonna suck out your soul."
Voiced by: Martin Olson

The ruler of the Nightosphere (an Alternate Dimension populated by demons) and one of the most evil entities known to the Land of Ooo, probably second only to the Lich. Known as the "Lord of Evil", he's also Marceline's father, and has a complex and deeply strained relationship with her. His full name is not provided until Season 4.

  • Affably Evil: To Finn and Jake in his second appearance, but arguably and surprisingly not Marceline, who he blatantly lies to and manipulates even under the guise of an eccentric but caring father. Granted, he does love and care about her, but is pretty lousy at explaining it. This is played more straight in "Marcy & Hunson".
  • Amazingly Embarrassing Parents: While he tries to be supportive in "Marcy & Hunson" by attending Marceline's concert, he only ends up making a scene and embarrassing her.
  • Artifact of Doom: He owns an amulet made of concentrated Chaotic Evil, which gives the wearer a nice suit and transforms him or her into a ruthless Eldritch Abomination.
  • Badass in a Nice Suit: Pilfers souls, rules the Ooo equivalent of the underworld and may rival the Lich himself, all while dressed in a snappy suit and tie. Somewhat invoked, since anyone who wears the amulet gains the suit and tie along with the Chaotic Evil.
  • Blue-and-Orange Morality: A very odd example (as if this trope wasn't odd enough), but him being a Chaotic Evil Card-Carrying Villain is what makes him have blue and orange morality. Like how he seems to genuinely believe that tricking Marceline into being his heir is the right thing to do, or how he sees nothing wrong with stealing everyone's soul, which in turn is committing genocide.
  • Card-Carrying Villain: He's described himself as "completely evil" with no shame.
  • Chaotic Evil: Invoked. He grew up with it and as seen above, pretty proud of it. Might explain why he kinda sucks at being a parent despite genuinely caring about Marceline.
  • Dissonant Serenity: When he's first introduced, he treats the systemic soul-stealing genocide of Ooo as something he does everyday.
    Hunson: Okay. I'll go. I got business to attend to, anyway. Sucking up all the souls in Ooo.
    Finn: What?!
    Hunson: See you kids later. (Hunson rips open the door and walks out, laughing maniacally)
  • Does This Remind You of Anything?: In his One-Winged Angel form, his face is large and round, with a vertical slit for a mouth.
  • Embarrassing First Name: Jake seems to think so, as he scoffs when he first hears it.
  • Even Evil Has Loved Ones: He really does love his daughter, even if he doesn't show it that much.
  • Evil vs. Evil: A more comedic example occurs in "It Came From The Nightosphere", in regards to him and the Ice King. While Ice King confronted Hunson for attempting to eat Gunther's soul, he immediately realizes the lord of the Nightosphere is way out of his league and runs away terrified without a fight. He also seems to have special hatred for the Lich, according to the Adventure Time Encyclopedia.
  • Faux Affably Evil: Like Marceline, he's a playful troll. Unlike Marceline, he makes good on his threats and then some.
  • Fish out of Temporal Water: Possibly, given his reaction when he noticed Marceline turned the family ax into a bass guitar.
    Hunson Abadeer: Did you turn it into some kind of lute?
  • Foil: To Flame King. Both are evil rulers and neglectful fathers with very rocky relationships with their daughters. However, unlike Flame King, who only saw Flame Princess as a threat to his throne and locked her away for years, Hunson genuinely loves Marceline, even though he has difficulty expressing it. Further more, while Season 9 sees Hunson take a level in kindness and attempt to connect with his daughter, that same season shows that while Flame King mellowed out, he's still a jerk that refuses to acknowledge how he mistreated Flame Princess.
  • Follow in My Footsteps: Very much wants this for Marceline, to the point where he fools her into taking his Artifact of Doom so that she can have a taste of ruling over the Nightosphere. He mentions being a victim of this himself, although he doesn't seem to mind it at all anymore.
  • Foreshadowing: In "It Came From The Nightosphere", he claims Gunther is by far the most evil thing that he's encountered. While it may seem like a funny bit, he may have been referring to Orgalorg.
  • God of Chaos: A demon of explicit chaotic evil who sustains the Nightosphere with random cruelty.
  • Greater-Scope Villain: Hunson has almost as much, if not the same amount of bearing on the plot as The Lich. However, the most we ever see of him is roughly an episode and a half. The rest of the time, he's only mentioned.
  • Humanoid Abomination: His default form looks human, but is really a deathless, soul sucking demonic entity. His One-Winged Angel form falls firmly in Eldritch Abomination turf.
  • I Want Grandkids: At the end of "Marcy & Hunson", he asks Marceline "So, when are you gonna have some kids?"
  • Immortality: According to Marceline, he's "deathless" and can't die.
  • Interspecies Romance: Had one with a human woman, and together they had a daughter, Marceline.
  • Living Forever Is No Big Deal: He's immortal but doesn't share any of his daughter's angst.
  • Marionette Motion: Apparently a function of the amulet, as he moved normally when he wasn't wearing it.
  • Most Definitely Not a Villain: He pretty much says this to the one of the fluffy people when he's about to steal their soul.
    Fluffy Person: Who the fluff are you?
  • Names to Run Away from Really Fast: It's not mentioned in the episode, but his title is the Lord of Evil.
  • No Name Given: Until "Return to the Nightosphere"
  • Our Demons Are Different: Described by Word of God as more demonic than a vampire.
  • One-Winged Angel: Like his daughter, he can turn into a giant monster. Though his is much more monstrous. Apparently he requires an object of power to do so. She does not.
  • Parental Neglect: He was a rather neglectful father towards Marceline during her childhood, and what officially soured their relationship was when he ate the fries she bought. Still, he really does love her even if he isn't very good at showing it.
  • Pet the Dog: Despite being a deadbeat, he does regularly show actual compassion towards Marceline.
  • Satan: Okay, it hasn't been confirmed, but considering he's "The Lord of All Evil" who steals your soul, and rules the Nightosphere which is essentially Ooo's version of Hell he probably is.
  • Sealed Evil in a Can: Escaped from the Nightosphere in "It came from The Nightosphere" thanks to Finn, but is banished back by episodes end.
  • Time Abyss: He's at least a thousand years old given he's Marceline's father, and the Adventure Time encyclopedia he wrote in-universe claims he's as old as time.
  • Tranquil Fury: When he notices Marceline turned the family ax into "Some kind of lute", he's visibly annoyed and he holds it against Marceline the entire episode.
  • Troll: Towards Marceline, at least. 50% of the things he does are mainly to make Marceline angry.
  • Unreliable Narrator: While he wrote the Adventure Time Encyclopedia, it makes quite clear at several points that there are things he does not know (such as Simon Petrikov's relationship to his daughter, or his own origins) and that there are assumptions he makes which are incorrect (he is fond of assuming that centuries or eons passed at certain points when other sources would indicate it was probably more like days, years at most).
  • Unknown Rival: Claims to be the Lich's rival in the Adventure Time Encyclopedia. While he is likely one of the only characters with power comparable to him, the Lich doesn't appear to be threatened by him enough to try to kill him like he did with all of his other enemies (though it could be that he may not be able to kill Hunson or even know how to enter the Nightosphere.)
  • Unnamed Parent: He's only known as "Marceline's Dad" until "Return to the Nightosphere".
  • Vile Villain, Saccharine Show: One of the earliest examples, albeit being both downplayed and, presumably as of "Daddy's Little Monster", dropped it all together. Though a good amount of his scenes from "It Came From The Nightosphere" is enough to keep a child sleepless.
  • "Well Done, Dad!" Guy: Cares a lot for Marceline's approval, even though he tends to go about it all wrong.
  • Your Soul is Mine!: His MO.


Season 3


A serious and dangerous hitman with power over fire.

  • Assassin Outclassin': Ice King attempts to have Scorcher killed by contracting another hitman to take him out. Said hitman is almost immediately defeated when Scorcher burns through his Powered Armor, leaving the small guy inside to run away in fear.
  • The Bus Came Back: Returns in the final season as part of Gumbald's army.
  • Expy: Possibly one of Combustion Man, what with the whole "stoic voiceless unstoppable fire-based assassin" thing.
  • Fireball Eyeballs: When he gets mad.
  • Foil: Hyper-competent fire power user to counter Ice King's inept ice magic.
  • Implacable Man: He cannot be bargained or reasoned with once he's been contracted by his employer and will not stop until his targets are dead. Ice King had to lower Finn and Jake's body temperature by freezing them just to make it seem convincing enough they were dead just so Scorcher would stop.
  • Just Following Orders: Implied, though maybe he just likes to kill.
  • Karma Houdini: In "Come Along With Me", he escapes the war against GOLB.
  • Knight of Cerebus: Parodied. He's completely stoic, is absurdly competent, actively tries killing Finn and Jake in his sole episode while nearly managing to do so a few times if not for the interference of Ice King, and has no personal comedic quirks. The thing is, unlike The Lich, who instantly makes the atmosphere and story darker once he shows up, Scorcher is instead used as a Straight Man to Ice King, who treats him as if he's an old friend of his.
  • Playing with Fire: Obviously, since he has fire powers.
  • Professional Killer: He is a hitman who will absolutely not be stopped from completing his contract, even if his employers wish to re-negotiate the contract or pay him more to end the hit.
  • Red Eyes, Take Warning: Red burning eyes, meaning he has fire power.
  • Straight Man: He plays a serious foil to Ice King. He acts as a far more serious foil to Ice King.
  • Super Smoke: He has the ability to turn into a black smoke.
  • Villain Team-Up: With Gumbald.
  • The Voiceless: He never speaks in any of his appearances.

Voiced by Steve Agee

Marceline's old "Genius Wizard" boyfriend. They started living together in the Tree Fort (before Joshua) until Ash moved Marceline away from the Candy Kingdom to his current house. Then he sold her teddy bear to a witch, earning his girlfriend's anger.

  • Affectionate Nickname: He calls Marceline "Mar-mar".
  • The Bus Came Back: Returns in the final season as part of Gumbald's army.
  • Bullying a Dragon: Considering all the things Marceline can do, Ash is very lucky that all he got in retaliation to his Domestic Abuse was a few Groin Attacks and a Giant Foot of Stomping.
  • Cute Little Fangs: They're a bit more rounded than most examples, though.
  • Does Not Like Shoes: Goes barefoot.
  • Domestic Abuse: Of the emotional variety. He treats Marcie more like an object that should be his rather than a person.
  • Eye Scream: Goes blind while he is beat up, as he says "Ohh... I can't see..."
  • Fantastic Racism: He hates Marceline hanging out with "mere mortals".
  • Faux Affably Evil: He's usually chill and friendly but this barely hides how he's a possessive, manipulative jerkass who values his own happiness over anyone else.
  • Giant Foot of Stomping: Is the victim of one at the end of his debut episode, courtesy of Jake.
  • Groin Attack: Also gets one of these.
  • Hate Sink: In his sole major appearance, he is shown to be a tremendously sexist and abusive boyfriend to Marceline who sold her Hambo to a witch just for his own self-benefit. As a result, any comeuppance he receives is definitely well deserved.
  • Hoist by His Own Petard: The memory spell he used to try to trick Finn and Jake into retrieving the bad memory of him within Marcie's mind is used by Finn to show her why she dumped him in the first place. What's more, the "mere mortals" he tricked join in on beating the crap out of him with Marceline.
  • Jerkass: He utterly abuses Marceline.
  • Karma Houdini: The last time we see him, he escapes the war against GOLB.
  • Kick the Son of a Bitch: In Betty, Simon lays him out with one hit and steals his flying carpet. It's unethical to do towards someone who Simon doesn't know whether he is good or not, but he deserved it regardless. What makes it funny is that Ash pretty much got knocked out by Marcie's surrogate father.
  • Lack of Empathy: Doesn't care about how his actions hurt Marceline, despite it being blatantly obvious they do.
  • Large Ham: Just listen to him describing the sandwich he wants.
  • Laser-Guided Karma: Finn, Jake, and Marceline kick the crap out of him for his abuse of Marceline and manipulating his way back into her life.
  • Manipulative Bastard: Tricks Finn and Jake into going into Marcie's mind and getting the bad memory of him just to claim her as his own.
  • Magical Incantation: His flight spell.
    "Ashicus Flyicus"
  • Never My Fault: Never thinks that Marceline breaking up with him might have been his fault for selling her most prized possession.
  • No-Holds-Barred Beatdown: Gets one at the end of his episode and it was richly deserved.
  • Small Name, Big Ego: If the whole "You're not a Genius" bit is anything to go by.
  • Squashed Flat: Jake squashes him at the end of his introduction episode.
  • Stay in the Kitchen: His demanding that Marceline make him a sandwich is what finally pushes her to retaliate against him.
  • Straw Misogynist: Darn near parody levels of this. See directly above.
  • Villain Team-Up: With Gumbald.

Voiced by: Kyla Rae Kowalewski

A tiny cat-like assassin that attempts to kill Wildberry Princess in "Jake vs. Me-Mow". She reappears much later in "Angel Face", having become a Bounty Hunter and grown much larger.

  • Ax-Crazy: A sadistic assassin who gleefully loves her job — which involves killing people.
  • Badass Adorable: Don't let her size fool you; she's quite deadly.
  • Bounty Hunter: Resorts to hunting bounties after getting kicked out of the assassin guild.
  • The Bus Came Back: Returns four seasons later after her initial appearance in "Angel Face" and one season later in "Elements". She also returns as part of Gumbald's army in the final season.
  • Cats Are Mean: Given that she's an assassin, she qualifies.
  • Character Aged with the Actor: Me-Mow's ridiculous growth-spurt was probably inspired by her voice actress growing from about 10 to 14 between appearances.
  • Cute Is Evil: She's rather ruthless for someone so small.
  • Fan Art: How she started out.
  • Hazy Feel Turn: She goes from a Professional Killer to a Bounty Hunter. Despite the latter not being inherently illegal, she's still plenty evil, and wants revenge against Finn and Jake.
  • Hypocrite: In her sleep she admits that she plans to double-cross Jake, but when she catches Jake trying to steal her antidote she cries out "Treachery!" before stabbing him with the needle again.
  • I Got Bigger: She was originally shorter than Finn's knee. When she finally appeared again in "Angel Face", she's taller than Finn.
  • Karma Houdini: The last time we see her, she escapes the war against GOLB.
  • Killer Rabbit: Hard to believe that this little critter is a coldblooded assassin.
  • Master Poisoner: Relied on poison when she was an assassin, because that's nearly the only way she could kill anyone. Even after her growth spurt, poison still appears to be her Weapon of Choice. Having moved up from a poison-filled syringe to a blowgun that shoots poisonous snakes as darts.
  • Manipulative Bastard: Forces Jake into killing Wildberry Princess for her under pain of death.
  • Not Quite Dead: Appeared to have fallen to her death, but was shown to have survived.
  • Orifice Invasion: She was small enough to crawl inside people's bodies and attack from the inside.
  • Prehensile Tail: She's more than able to hold onto a branch with just her tail, or use it as another fist.
  • Professional Killer: She was a second-class member of the assassins' guild, but was kicked out when she failed her full membership test.

Voiced by: Noah Nelson

A demon who created the Demon Sword with his own blood, which was taken by Jake's father, Joshua. He really, really wants his blood back.

  • Blood Magic: His power comes from his blood and the blood he drains from others. Finn uses this to trick him into killing himself.
  • Hoist by His Own Petard: Finn kills him by exploiting his method of Blood Magic to trick him into inhaling blessed grape juice.
  • Holy Burns Evil: Is injured and weakened by holy water. Finn kills him by tricking him into absorbing blessed grape juice.
  • Killed Off for Real: At the end of "The Pit" he's gone for good. He wasn't sealed into anything this time.
  • Oh, Crap!: Upon realizing that he just inhaled blessed grape juice.

Season 4

Voiced by: "Graham Linehan's daughter" (real name withheld)

Another of Princess Bubblegum's experiments, Goliad is a candy-Sphinx built to rule the Candy Kingdom past Bubblegum's death. She soon turns out to be impressionable, with a questionable grasp of morals.

  • A God Am I: Not really a god, but the sentiment is there.
  • Ambiguous Innocence: Sure, her endgame is evil, but there doesn't seem to be a smidgen of malice in her. Which only makes her creepier.
  • Body Horror: Her third eye, which seems to unnaturally pop out of her forehead.
  • Cain and Abel: Cain to Stormo's Abel.
  • Complete Immortality: Implied by Princess Bubblegum, but we only know for sure she's The Ageless.
  • Control Freak: After seeing how Jake treated the Candy children, she planned on treating the whole Candy Kingdom this way too.
  • Corrupt the Cutie: Although it's implied that Goliad was unnaturally susceptible to it. Still, Jake was probably the worst person to leave in charge of her.
  • The Corruptible: Any sense of innocence she had was completed corrupted just by seeing Jake snap at the preschoolers they're watching. Great going, Jake.
  • Creepy Child: With an uncanny child-like voice coming from a huge monster and unstable psychic powers, she comes off as this.
  • The Evils of Free Will: Her motive rant consists of her explaining that living things don't care for anything other than themselves, and that peace as we know it is a sham. Further, when she uses her psychic powers to get a child through an obstacle course, she demonstrated a belief that absolute control is the best way to get things done.
  • Gone Horribly Wrong: With her powers and dedication to what she's taught, she had the chance to be the perfect successor to Bubblegum until Jake's bad leadership skills rubbed off on her and turned her into a power-hungry tyrant.
  • Harmful to Minors: Some of the first things she sees are Jake getting violated by an entire preschool class, and his retribution.
  • In the Blood: Probably inherited Bubblegum's single-mindedness.
  • Lack of Empathy: She's a very young child, after all.
  • Mind Rape: Tries it on Finn, who is able to hold his own for an admirable amount of time, before Stormo appears.
  • Orifice Invasion: She stuffs a whole bunch of people down Jake's throat with her psychic powers, in imitation of a bunch of children doing the same to him earlier.
  • People Puppets: Her main power is mind control.
  • Physical Goddess: Has immense Psychic Powers and was made with the explicit purpose of being immortal. She's so powerful that Princess Bubblegum is scared if she threw a tantrum, she'd destroy the entire castle on her own and is so powerful the only thing that can fight her successfully is another of her kind.
  • Psychic Powers: She has Telepathy and can make people levitate.
  • Sealed Evil in a Duel: Bubblegum states that she and Stormo are forever locked in a psychic stalemate.
  • Sibling Yin-Yang: To Stormo, and also to Lemongrab.
  • Social Darwinist: "The weak bow to the strong, and such is harmony."
  • Telepathy: She can read minds.
  • Too Powerful to Live: She has immense psionic power and were it not for Stormo, would've taken over the Candy Kingdom. As such Goliad never returns from her eternal dual(outside of a few comic appearances) since something that powerful would provide too big a challenge in future episodes.
  • Unexplained Accent: Again as with Tree Trunks, her voice actor's British accent deviates from Ooo/Standard American for no in-universe reason.
  • We Can Rule Together: She tries fervently to win Stormo over, but he isn't having it.
  • With Great Power Comes Great Insanity: Due to Jake's improper tutoring she decides to take over the Candy Kingdom.

Season 5


Humanoid creatures created in the aftermath of the Mushroom War, oozing green slime from all their orifices. They plagued Simon and young Marceline in their travels, and they're still around, awoken by PB, Finn, Jake and James.

    Big Destiny
Voiced by: James Kyson

The off kilter leader of the Destiny Gang, a group of criminals in Farmworld.

  • Bad Boss: It's obvious that his henchmen are pretty terrified by him.
  • Jerkass: He's an utter jerk that harasses villagers and destroys their property for fun.
  • Large Ham: He's pretty bombastic.
  • Offscreen Teleportation: Used and lampshaded.
    "Yeah! How did I even get here, son?"
  • Sinister Shades: Those evil-looking sunglasses should be a pretty big giveaway that Big Destiny's not a good guy.
  • The Social Darwinist: To some extent. When Finn challenges Big Destiny to a fight to demand his crown back, Big D beats Finn, but gives him the crown anyway, seemingly impressed by the bravery Finn displayed. Further, at the end of the episode, his cronies run from Finn without saving him, and Big D expresses approval.

Voiced by: Jill Talley

A.K.A The Sky Witch. She's the person Ash sold Hambo to in order to learn some useless spells. Marcie's since been trying to track her down to retrieve her doll.

  • Aborted Arc: Her introduction was suppose to lead into the plot of an Adventure Time movie where she was meant to have a bigger role. But that ended up getting shelved and what little plot they had intended was used in a scaled down fashion in "Something Big". After that, the writers didn't have much use for her and left her in a coma for the remainder of the series till the finale where she awakens... just in time to die for real.
  • Art Evolution: Her second appearances gave more details to her eyes rather than the black dots she had before. This allowed for better expressions.
  • Back for the Finale: She's brought, still unconscious, in the series finale to bring Normal Man and Magic Betty some extra magical power. Then she finally wakes back up a few seconds before exploding.
  • Bad Boss: Sends her familiar to keep Marcie distracted which resulted in him getting beat up. When he comes to her stating he wants to quit after she succeeds in getting Bubblegum's t-shirt, she starts chasing him around her dwelling blasting him with magic. And she was in a good mood at that point.
  • The Bad Guy Wins: In first appearance, she managed to manipulate Bubblegum into giving her her prized T-Shirt that Marcie had given in exchange for Hambo. While this allowed Bubblegum and Marcie to leave her house without incident, she claimed it as a victory for her since the T-Shirt had more sentimental value than the doll and was just the right component needed for her plans which she executes in "Something Big".
  • Chekhov's Gunman: She was the witch that Ash mentioned selling Hambo to.
  • Dark Lord on Life Support: She's rendered comatose from the battle in "Something Big", and the Ancient Psychic Tandem War Elephant decides to take care of her. They both reappear in "Flute Spell", probably more than a year later, and Maja hasn't woken up; the Elephant states she may be like that for the rest of her life. She finally woke up in the finale. Briefly.
  • The Dreaded: The series doesn't elaborate on it too much due to her sparse appearances, but it's implied many of Ooo inhabitants steer clear of her if they can help it unless they want to make a deal with her. When Marcie found out she was the witch her ex-boyfriend Ash sold Hambo to, she went to Bubblegum for help as Marcie knew even with her powers she would be no match for her. Bubblegum herself doesn't even try to fight her, instead just negotiating a trade in return for the doll. Her second appearance proves exactly why when she summons Darren in her invasion of the Candy Kingdom and, though he was the main muscle through it, was likewise a major force as well and came dangerously close to winning. Only being stopped by a flaying strike from the Tandem War Elephant that knocked her out of the air and into a tree.
  • Eldritch Location: Her home doesn't obey conventional rules of space.
  • Emotion Eater: Her magic runs on sentimental value and caring. Thus she to takes over the Candy Kingdom for this purpose.
  • Even Evil Has Standards: When summoning Darren, she tries to reign him back on outright destroying the Candy Kingdom since she needs Bubblegum for her plans. He doesn't listen and nearly killed Peebo, Maja actually looked quite horrified he was about to go through with it.
  • Jerkass Has a Point: A partial example. She says that since Ash sold her the doll, it is now legally hers, and, in-universe, this apparently hold up, leading Bubblegum to deal with the solution diplomatically. However, it's easy for the viewer to realize that it wasn't Ash's doll to sell in the first place, making the legitimacy of the deal questionable at best.
  • Manipulative Bitch: Maja tricks Bubblegum into giving up the T-Shirt Marcie gave her. Later Maja says that Bubblegum had a stronger emotional attachment to the shirt than Marceline had to Hambo which is why Maja plans to use the shirt in a spell for "something big!"
  • Not Quite Dead: Gets knocked into a tree after being blasted by the Tandem War Elephant which knocks her into a coma. Ironically said War Elephant is the one who helps her later.
  • Prim and Proper Bun: Has her hair tied up in a bun for the most part. Surprisingly she never unfurls.
  • Psycho Electro: Abuses her familiar with electricity for little to no reason.
  • The Sociopath: She randomly starts attacking her own familiar when she was in a good mood. Really says something when Marcie's not foolhardy enough to confront Maja on her own and asks Bubblegum to help her.
  • Vile Villain, Saccharine Show: Next to The Lich and Ice Queen, she's one of the few threats on the show taken completely seriously. Marceline wasn't willing to confront her without Bubblegum's help and her attack on the Candy Kingdom put the whole kingdom on the defensive, even claiming the life of Root Beer Guy.
  • Voice of the Legion: Constantly talks in a reverberating, demonic like tone.
  • Weather Manipulation: She's able to generate wind and lightning.
  • Wicked Witch: Is she ever, and she did it all to get an special shirt.

    Bella Noche

An evil anti-magical being summoned by Bufo, Laser Wizard, and Forest Wizard. He nearly destroys Wizard City before being stopped by Betty.

  • Anti-Magic: A being purely composed of it.
  • Bilingual Bonus: His name is a mix of "Bella", Italian for "beautiful", and "Noche", Spanish for "night". Despite being male, the feminne "Bella" is used rather than the masculine "Bello", as the word being described, "Noche", is itself feminine.
  • Bishōnen Line: His regular form is a massive face made out of green slime while his "true" form is a beautiful, androgynous humanoid.
  • Crippling Overspecialization: His Anti-Magic powers mean that no wizard can hope to harm him. However, he doesn't have any other abilities, so a normal human like Betty can just cold-cock him with little effort.
  • Power Nullifier: He can strip magical beings and objects of their power.
  • Sinister Geometry: A massive black cube surrounds him. A failed attempt to destroy it makes it grow into more complex shapes.
  • Small Role, Big Impact: His presence was the catalyst for Betty's arrival to Ooo, as his stealing of Ice King's magic turned him back into Simon, who used his regained sanity to create a time portal that Betty would use to get to the show's present time.
  • Vocal Dissonance: His androgynous fully-powered form has the same deep, raspy voice as his weakened form.

    King of Ooo
Voiced by: Andy Daly

The king of the Land of Ooo... except not really. In reality, he's a Con Man who claims to be the king of Ooo, and everybody believes him. Legally able to perform marriages. He takes over as princess of the Candy Kingdom in the Season 6 finale, before being deposed at the end of "The Dark Cloud".

  • 0% Approval Rating: The King of Ooo's Caligula attitude since he took over the Candy Kingdom finally bites him on the ass in this episode when the Candy People get fed up with his bullshit and revolt. Bonus Points for Crunchie knocking his ass into an open fire, causing him to melt into a puddle, and crawl away.
  • 100% Adoration Rating: Seems to be the sole reason why people recognize his authority. He says he rules Ooo, and they all believe him. One of Bubblegum's goals is to prove that this is total bullshit.
  • Authority in Name Only: He doesn't seem to wield any real power at all. At least until he manages to usurp Princess Bubblegum's place in "Hot Diggity Doom".
  • Bizarre Alien Biology: According to Word of God, he's made entirely out of earwax.
    • Confirmed in "The Dark Cloud", when Crunchy throws him into the fireplace and he melts into a yellow-brown blob.
  • The Caligula: When he's become ruler of the Candy Kingdom via an election/coup the whole kingdom goes into chaos because of his total incompetence/inaction of being a ruler. The giant comet in the sky certainly sped things along, but there were signs of dissent even before it showed up.
  • Creepy Crossdresser: After replacing Bubblegum as the Candy Kingdom ruler, he starts calling himself the "One True Princess", and not only wears dresses and feminine clothes, but also wears Bubblegum's old clothes.
  • Cult: It's implied that he runs one, and that it's why he has a 100% Adoration Rating despite clearly being a criminal.
  • Dirty Coward: He absolutely refuses to do anything to help stop the Dark Cloud and would much rather have his citizens abandon the heroes.
  • Everyone Calls Him "Barkeep": Everyone Calls Him the King of Ooo.
  • Faux Affably Evil: Generally, the King of Ooo maintains the appearance of a benevolent ruler. He does this by acting kind and amiable in front of his "subjects." However, this act is in order to exploit his followers for his personal use. This is seen in "Apple Wedding" where the King's dubious authority includes a clause in the wedding vows that would have made Tree Trunks and Mr. Pig his servants for five years. The true nature of the King of Ooo can be clearly seen in "Gold Stars" as he is willing to use Sweet P, an innocent child, for personal gain. In the episode, the King abducts Sweet P from his school and pretends to be his dance teacher. He then uses the boy to distract random Candy People so that he can easily steal their valuables. In addition to theft, the King of Ooo was willing to "take care" of Sweet P when the boy discovered that the King was merely a criminal.
  • God-Emperor: Claims that the sun belongs to him.
  • Large Ham: Hammy as only the One True King/Princess of Ooo can be.
  • Laser-Guided Karma: At the end of "Stakes" the Candy People finally turn against him for being a horrible ruler. The Banana Guards rebel against him and then Crunchy throws him into a fire place.
  • Mugging the Monster: It really doesn't get much worse than trying to threaten the Lich into joining your two-bit schemes. Surprisingly, he got away without being killed, "merely" having his mind exposed to nightmarish Things Man Was Not Meant to Know.
  • Narcissist: He fulfills pretty much all of the requirements to count as one. He shows a Lack of Empathy, and imperviousness to Shame (well, he thought he may be a bad ruler for a moment, but a moment later decided it's all Bubblegum's fault); he's a Consummate Liar and Manipulator; and has a Grandiose Sense of Self-Worth, apparently genuinely believing he should indeed rule all of Ooo.
  • Screw This, I'm Outta Here!: When he's trapped in jail with everybody that stood with him. He breaks out all by himself in a panic, claiming that his paperwork will never hold court.
  • She Is the King: Inverted; at the end of season 6, he becomes the new princess of the Candy Kingdom.
  • Tyrant Takes the Helm: When he becomes princess of the Candy Kingdom in Bubblegum's place, he makes everyone miss PB.
  • Unwitting Pawn: He's Orgalorg's during the Season 6 finale, who only helps King of Ooo to become the new princess to gain access to PB's rocket, which he would use to get to the Catalyst Comet.
  • Villain with Good Publicity: He's a conman and fraud who only cares about himself and yet everyone in Ooo seems to think he should be in charge, much to PB's chagrin.
  • Would Hurt a Child: Shows no hesitation in "taking care" of Sweet P when he finds out his plan.

Season 6

    Darren the Ancient Sleeper
Voiced by: Alan Oppenheimer

An ancient being of destruction awakened by Maja in "Something Big"

  • Attack Its Weak Point: "His weakness is his brain seed!"
  • Beneath the Earth: He emerges from this when Maja summons him.
  • Blood Knight: In his own words, he only understands destruction, and only fights to the death.
  • Botanical Abomination: He's an ancient, mysterious plant-like being that can tear open portals to other dimensions. It's implied that anyone who is killed by him is erased from all dimensions.
  • Death Seeker: His last words are to thank Finn when Finn strikes the blow that kills him.
  • Fish out of Temporal Water: He has no idea what landmarks like the Candy Kingdom are and notes how different the world is since he has been asleep.
  • Flunky Boss: He can summon from a portal flesh-colored regenerating humanoids that hatch from eggs.
  • Friendly Enemy: He's pleased to see the Psychic Tandem War Elephant, although perhaps only because it's good to see a familiar face in a strange world. That familiarity doesn't get in the way of Darren trying to kill the Elephant at all either.
  • Tom the Dark Lord: He's a powerful, destructive creature named Darren.
  • When Trees Attack: His mouth even resembles a pine tree.


Rat King
Voiced by: James Urbaniak

As his title implies, he is the King of all rats that live in Finn and Jake's Tree, gnawing at its roots. He is encountered by Kent in his quest to defeat a bad guy. Normally appears as a normal rat with a crown, but can take on the nightmarish form of a Giant Rat Head and cape on top of a Swarm of Rats.

  • Creepy Monotone: A high, but eerily calm and soothing tone... it almost never breaks unless he's attacking or being directly hit.
  • Karma Houdini: Gets away alive but with broken teeth, but stopping his gnawing allows the Tree House to bloom for the first time. Since a rat's teeth can grow back very quickly, it's likely he'll be back.
  • My Species Doth Protest Too Much: A villainous version, all the other Rats in the same episode appear to be nice enough to not fight Kent, and are just protecting the materials needed to make the strongest sword the Blacksmith can make; compare this to his direct hand in draining the Tree House's power by eating away at it.
  • Nothing Is Scarier: Similar to the Lich, Rat King has no funny moments when he appears, and seems to be in a creepy sort of control. His motivation is never explained, and neither are his powers or his origin. There's also the fact that he resides in some sort of otherworld inside of the tree and takes the form of a disembodied head on top of a mass of rats.
  • Power Parasite: He seems to have gotten his power from leeching off the Tree House itself, judging by his first scene.
  • Red Eyes, Take Warning: Has red eyes and is a dirty rat.
  • Shout-Out: His Head-on-a-Cape form is similar to Nightmare, just like Kert is to Kirby.
  • Swarm of Rats: His second form, which also means that He's Nigh-Invulnerable to blows to his body.
  • Truth in Television: Rat Kings are a real kind of monster from Medieval times (mostly around the time of the infamous Black Death epidemic, and becoming less frequently reported as time went on) created when poo managed to fuse groups of Rats into a knotty clump by the tail. They were considered horrible omens, and real-life examples of them can be found in British Museums.
  • We Can Rule Together: Offers this to Kent, who of course refuses.
  • The Worm That Walks: His second form, which for added creepiness, is usually encased in shadow unless some form of light is brought directly to it.
  • You Dirty Rat!: A more menacing version than most though.

Mouse Wizard
Voiced by: Tom Kenny

A mouse living in the Tree House, who wears a robe and is encased in a crystal. He guards the Unbreakable Ore (a bottle cap).

  • Black Cloak: The robe he wears is black.
  • Just a Stupid Accent: Has an Indian accent.
  • Mineral Macguffin: The "unbreakable ore" which in reality is just a bottle cap.
  • Secret Test of Character: Offers the crystals in his room to Kent thus offering him the chance to live out his days in comfort; he's briefly entranced, but states that he didn't resist greed so much as he doesn't care about money. Rat Wizard thinks it's weird but gives him the Ore anyway.

Mouse Knight
Voiced by: Tom Kenny

A British-accented mouse in armor who wields a large sword, he guards the mystic earth (which appears to be just a mud clod mixed with his spit).

Mouse Thief
Voiced by: Tom Kenny

A mysterious and to-the-point Rat wearing a black outfit that resembles Ninja garb. He protects the Sacred Flame (a blue firefly).

  • Gratuitous Ninja: Possibly, seeing as the other two guardians are more classical in tone (a wizard and a knight). He does complete the classic trinity, however.
  • Maybe Magic, Maybe Mundane: Unlike the things the other two Rats were carrying and offering (with the materials being mundane looking), Tthe firefly he offers appears to be magical, glowing a deep blue and actually being used as a forging fire.
  • The Stoic: He is calm and unflappable.

Season 7

Voiced by: Thu Tran, Chuck McCann (when disguised as Moe)

The prototype to BMO, who was designed to receive love rather than give it.

    Bandit Princess
Voiced by: Amy Sedaris.

A ruthless thief who kills people and steals their gold.

  • Bad People Abuse Animals: She kills Box Prince.
  • The Bus Came Back: Returns as part of Gumbald's army.
  • The Corrupter: It's implied that she was one of the reasons why Fern became evil after the time he spent with her as Finn Sword.
  • Freudian Excuse: According to her, the reason why she became a bandit is because she was born with rabies and her parents never loved her.
  • Jerkass: Oh yes. She's a relentless sadist that commits crimes for no reason and even ridicules Finn after he accidentally stabs Finn Sword.
  • Karma Houdini: After Finn faints after stabbing the Finn Sword, she runs away and gets away with all the crimes she had committed for the rest of the episode. On top of that, she escapes the war against GOLB completely untouched.]]
  • King of Thieves: Calls herself a bandit princess, but it's unknown if she's a real princess or not.
  • Small Role, Big Impact: Appeared in one episode, but her actions resulted in the creation of Fern.
  • Villain Team-Up: With Gumbald.

    Dr. Gross
Voiced by: Lennon Parham

A living, contemporary human from "the island", obsessed with cybernetics and building strange animal hybrids.

  • Ax-Crazy: What would you call a Mad Scientist who has done dozens of twisted experiments and tries to mutilate a child to use him as raw material?
  • Cyborg: 60% of her body is advanced prosthetics, with limbs that can telescope and morph into tools and weapons. And it's implied all this was self-inflicted.
  • Dissonant Serenity: She is disturbingly sweet and never loses her composure, even when she is being sadistic.
  • Evilutionary Biologist: She earnestly believes that evolution is too slow, and that all the living beings in the world would be so much better if she just could... "level them up".
  • Faux Affably Evil: Her cheer and enthusiasm charm Finn and Jake, until she reveals she's had them unwittingly paralyzed so she can operate on them.
  • Genki Girl: A villainous example, she's unusually cheerful and peppy despite her lack of ethics and twisted experiments.
  • Greater-Scope Villain: Of Islands. Her actions are more or less what drove Minerva to become a Well-Intentioned Extremist.
  • Humans Are the Real Monsters: Basically, in a show inhabited by strange creatures, humanoids, Eldritch Abominations, demons and aliens; this woman (a mere human) manages to be one of the cruelest, most evil characters.
  • LEGO Genetics: Her second specialty is making hybrids. Animal-animal crosses aren't the least of it: among other things, she's somehow managed to splice a flan pudding with the common fly.
  • Meaningful Name: She is named after a nazi and is a very morally dirty person.
  • Mike Nelson, Destroyer of Worlds: She accidentally created a catastrophic plague that killed lots of people and ended up turning Minerva Campbell into the kind of being that she is nowadays. Although she doesn't seem to have learned much from her mistake.
  • A Nazi by Any Other Name: Her name and title is eerily reminiscent to Heinrich Gross, an Austrian psychiatrist and Nazi war criminal who used the same methods as Dr. Gross.
  • Pet the Dog:
    • Despite her cruelty she didn’t hesitate sending Susan to find Finn when she was told he was missing
    • She's also generally pretty nice to Tiffany, taking him in as assistant and providing him with a cybernetic arm after he lost one from a giant worm. The epilogue might imply that Dr.Gross continued to care for him even after his betrayal and the lab's destruction, as he's shown with a cybernetic eye resembling her own.
  • The Reveal: She's a genuine present-day human, and an exile from an island full of other surviving humans.
  • Slowly Slipping Into Evil: She used to be in charge of training Seekers for Founders Island, but slowly became obsessed with making hybrids, and ultimately (accidentally) unleashed a plague that wiped out nearly two-thirds of the island's population. We don't learn what became of her after that, but by the time we meet her in "Preboot", she's already a full-blown supervillain.
  • Sadist: She enjoys doing her twisted experiments.
  • The Sociopath: She is cold, ruthless, robotic, sadistic, and completely apathetic with things like death, destruction or suffering.
  • Soft-Spoken Sadist: She sounds very professional and barely raises her voice.
  • Transhuman: Describes herself as Human+, a real-world transhumanist term. According to her, the next logical step from glasses and artificial hearts is scissor hands and telescoping spider legs.
  • Transhuman Treachery: Her ultimate plan is to build a hybrid army, return to the island, and forcibly convert everyone there into cyborgs.
  • Uncertain Doom: Its unknown what happened to her after her ship self-destructed. While Tiffany was ultimately revealed to have survived the explosion at the price of needing more cybernetics, Dr. Gross' fate is left unknown.

The Vamps

    General Tropes 
The main antagonists of the "Stakes" mini series. Sometime after the Mushroom Wars they preyed upon the last of the human survivors. Marceline opposed them and killed them all to protect her newfound friends. Though in the process due to her soul sucking powers, gained their abilities as a result after killing them. In the final battle against the king, he bit her and changed her into part vampire to ensure his kind lived on.

In General:

  • Death by Irony: The vampires devour humans, but eventually end up devoured themselves by Marceline.
  • Divided We Fall: When they were revived, Empress, Hierophant and Moon disagreed with the Vampire King on how to continue their kingdom and went their separate ways.
  • The Dreaded: Being vampires, Jake is terrified of them as they're the few creatures he mentioned will absolutely kill him and Finn should they encounter them. Demonstrated when each one sans The Fool easily manhandles the duo with each encounter.
  • Five-Man Band:
    • The Leader: The Vampire King
    • The Dragon: The Fool, the most loyal one
    • The Brute: The Hierophant, whose abilities focus on the use of brute force
    • The Smart Guy: The Empress, who has ability to mind control
    • The Chick: The Moon, the least active combatant with a more passive ability.
  • Last of His Kind: Marceline had all but wiped them out, so in turn, the Vampire King turned her into a vampire to make sure his kind still lived on.
  • Our Vampires Are Different: Each have their own unique abilities and features. The only traits that they all share are their grey skin, Pointy Ears and sharp teeth.
  • Sealed Inside a Person-Shaped Can: All of their vampire essence is contained within Marceline after she defeated them. So when Bubblegum used her machine to turn her back into a regular half-human demon, the black goop that was her vampire essence allowed them to escape and revive, kicking off the mini-series.
  • Tarot Motifs: Their names reference four of the Major Arcana. They're all meaningful in some way to their characterization and their respective cards' inverted positions can be related to their downfall.
    • The Empress represents beauty, femininity and abundance; she is the most traditionally feminine of the group, the most irate about the decadent standards they used to have and is regarded as highly beautiful by Ice King. Inverted it represents a dependence on others, something exemplified by her MO of enthralling people to serve her. Ultimately she is defeated when the I Work Alone Marceline receives some much needed assistance from her friends after the Empress abandons Ice King.
    • The Fool represents innocence, spontaneity, and free-spiritedness; The Fool himself acts like an incautious, carefree child. The reverse position can reference a disregard to obvious dangers, befitting the Fool's Too Dumb to Live personality. Marceline herself acts very foolhardy when she elects to go after all the vampires by herself, starting with the Vampire King first before being distracted with the threat of the Empress against Ice King.
    • The Hierophant represents institutional wisdom, religious teaching, and traditional belief systems; this one is the most traditional vampire, beholden to the old ways such as Must Be Invited. Jake meanwhile completely relapses into his intense vampire phobia. In a reversed position it indicates a downfall by an inability to adapt, with the Hierophant being very slow and irate about technology and ultimately destroyed by his upholding to old vampire standards.
    • The Moon represents dreams, deception, and illusions; she is found sleeping, looking deceptively harmless with some ambiguity regarding how much of her abilities are being deceptively hidden, poetically described or literally explained. There is a lot of dreaming by Marceline in her episode. Reversed it represents confusion, regarding the Poor Communication Kills that also occurs in her episode, and everyone's baffled fear regarding her.
    • The Vampire King at first seems to buck this trend, but throughout the series could be seen as representing several Major Arcana himself. Pre-death he could be seen as The Emperor, as the king of the vampires, but need to keep the vampire race from dying out allowed him to willingly sacrifice himself to Marceline to turn her into a vampire. After being revived, he mentioned the Wheel of Fortune by name (and Word of God has insinuated that is the king's Arcana, at least during the adventure), he had the incredible good luck to be revived, and like the wheel is reliving the same cycle looking for a turning point to escape it, however due to incredibly bad fortune (the bucket with his vampire goop being spilled out) his dark essence is released into the world. Even post-devampirism the king now transformed back into a lion could be seen as The Strength, through personal strength, courage, and patience he has been cured of the vampire curse, and although he doesn't die, due to his weakness and lack of self-discipline from being returned to a normal lion, he offers no assistance against the dark cloud that is the physical manifestation of that curse.
  • You Kill It, You Bought It: Sort of; when Marcy killed them she sucked in their souls which granted her their abilities. Though it's implied if she didn't, they would reform eventually. In a more straightforward manner, killing the Vampire King is what made her the Vampire Queen.

    The Vampire King
Voiced by: Billy Brown

  • Alas, Poor Villain: After his reappearance he find a way to change his way of life and come to talk to main characters. It took one night of deflecting their attacks and making a grandiose speech to 'consider' listening to him.
  • Anti-Villain He's a Reasonable Authority Figure who's only really interested in ensuring the existence of his people, to the point where he has no qualms with dying if Marceline became a vampire in his stead.
  • Arch-Enemy: To Marceline, even called such in the episode description.
  • Berserk Button: The only time he really gets mad is when the Hierophant suggests they go back to the old-fashioned way. He almost crushes him with telekinesis as he points out their old way of doing things lead to their extinction.
  • Big Bad: Of the Stakes story Arc. More of a zigzagged example since he doesn't actively antagonize Marceline in the present day. He actually wants to get rid of his vampirism and allows PB to remove it. However, his vampire essence is accidentally released and becomes the Final Boss of the arc.
  • Defector from Decadence: Part of the reason he lets his group disband. Their old way of doing things as a horde lead to their extinction. He's partially irritated at the Empress' suggestion they get back to their old standards like blood with gold-flecks in it, as it didn't add any flavor.
  • Humble Goal: Before coming Back from the Dead he just seems concerned with making sure his species would continue to exist. He was fine with dying so long as Marceline would be the last vampire in his place.
  • King of Beasts: A lion and Vampire Monarch.
  • Large and in Charge: Largest vampire in the group.
  • Man of Wealth and Taste: Wears a fine looking white suit.
  • Making a Splash: At one point he manipulates water.
  • Mind over Matter: Demonstrates telekinetic abilities.
  • Mix-and-Match Critters: A large vampire with the head of a lion, lizard-like claws for hands, and bird talons for feet.
  • Nigh-Invulnerable: During his first encounter with the main characters, he is unflinched as he deflects each of their effort to 'kill' him. One by one
  • Not So Above It All: Despite being a stoic and imposing Vampire Monarch who everyone sees as the Big Bad, he has a few silly moments such as his unflinching Instant Soprano after being kicked in the groin and when his grand speech leads to him splashing around in water wearing only briefs. In the case of the latter, he becomes so consumed Chewing the Scenery that Marceline has to shout at him and remind him what they were talking about beforehand.
  • Odd Name Out: The Vampire King is the only vampire not directly named after a Tarot card, though his name is analogous to The Emperor, while his slightly more monstrous design and desire to escape the chains of fate and the endless cycle of fighting, death and rebirth that comes from being a vampire evokes The Devil card. His grandiose speech also name drops Wheel of Fortune and The Chariot. His true form as a lion may also evoke The Strength card (which is typically depicted as a woman and a lion) not to mention as the king he is the strongest of the vampires.
  • Pocket Dimension: Through unknown means created an invisible space that filters out sunlight.
  • Raising the Steaks: He is a lion that was turned into a vampire.
  • Reasonable Authority Figure: Unlike most vampire villains he's a very calm and reasonable person. He spends his fights with Marceline trying to sincerely reason with her and exhibits none of the sadism typical of vampire big bads. He isn't even a Bad Boss, simply letting his group disband on their own separate ways when their differences prove irreconcilable.
  • Token Good Teammate: Minus Teammate since he doesn't help and decide to life separately. The Vampire King is the only vampire before Marceline who is, if not outright good, at least very thoughtful and pragmatic. He only considers drinking blood as a means of subsistence, not something to indulge in, and doesn't speak condescendingly of their victims. Once he discovers there's a way to stop being a vampire, he decides to use it.
  • Uplifted Animal: He was apparently a non-sapient animal before becoming a vampire. And appears to go back when he stops being one.
  • Vampire Monarch: The Vampire King.
  • Vegetarian Vampire: After resurrection, he elects to eat only animals like everyone else.
  • Villain Teleportation: Disappears and reappears elsewhere.

    The Empress
Voiced by: Rebecca Romijn

  • Hypnotic Eyes: Has these when she pulls back her veil.
  • Invisibility: One of the powers she possesses and the main power Marceline gains from her when she's defeated.
  • Snakes Are Sexy: She has a snake Animal Motif and is rather attractive.
  • The Vamp: Attractive and uses her feminine wiles to make Ice King her pawn.
  • You Have Failed Me: Once she realizes Ice King wasn't really controlled by her powers, she pretty much disowned him as she found he was too stupid for a servant.

    The Fool
Voiced by: Ron Funches

  • Does Not Like Shoes: Completely barefoot.
  • Flight: His main power and what Marceline gains from him when he's defeated. He spends all his time off the ground.
  • Meaningful Name: Tarot symbolism aside, he makes it pretty clear he doesn't have a lot going on upstairs.
  • The Imp: He's practically non-malicious. All he does is float around cracking jokes, treating everything like a game.
  • Too Dumb to Live: Not exactly one for self preservation. Both times, he's the first one to get staked because he doesn't bother to protect himself.
  • Undying Loyalty: The only one not to abandon the Vampire King when the others disbanded.

    The Hierophant
Voiced by: Paul Williams

  • Full-Boar Action: He changes into a vicious-looking wild boar more than once.
  • Good Old Ways: Hierophant left the Vampire King because he refused to go back to the old ways of vampirisim. Although he still follows Adventure Time rules, taking this attitude to silly extremes ("What is all this tacky plastic rubbish?!") and peppering his speech with odd bits of slang despite being "old-fashioned".
  • Hoist by His Own Petard: He's incredibly proud about following the Good Old Ways... and ends up disintegrating when he's accidentally knocked into a house-shaped Jake without being invited in.
  • Horned Humanoid: Has flesh-colored horns in his default form.
  • Magic Pants: Can completely shift his clothes around as well with the specific exception of his boots.
  • Morphic Resonance: He can't lose his mustache... or boots, for whatever reason.
  • Must Be Invited: The only example of this among the vampires, for some reason. Pep But calls him an "old-timey Revenant", implying that there are different subspecies of vampires with different rules.
  • One-Winged Angel: Turns into a horrifying amalgam of animal parts when fighting the crew.
  • The Starscream: After all the vampires go their separate ways, Hierophant is the only one to actually plot against the Vampire King.
  • Undignified Death: Gets disintegrated after being accidentally pushed into the house-shaped Jake uninvited because he stubbornly refused to let go of the Good Old Ways of vampires. Considering how he takes great pride in following the old ways, this would definitely be seen as the most humiliating way to die for a vampire.
  • Voluntary Shapeshifting: His main power and what Marceline gains from him when he's defeated. He mostly uses it for weapons if not disguising himself.
  • Weaksauce Weakness: His adherence to old-school vampire rules means he has all the vulnerabilities of one.

    The Moon
Voiced by: Beau Billingslea

  • Dissonant Serenity: As Finn notes, she's maintains a calm smile even as she's pursuing him and Jake at high speed.
  • Evil Sounds Deep: When she finally does speak, it's a very deep demonic voice.
  • Good Thing You Can Heal: Her main power and what Marceline gains from her when she's defeated, she has very strong healing. The Fool refers to her as a "backwards egg" because a simple crash on the head completely caves it in before her healing restores her. Even dragging her into the sunlight doesn't do anything.
  • Just Toying with Them: Finn notices when she's chasing after Jake and him that she doesn't really seem to be picking up speed and comes to the conclusion she's just messing with them.
  • Lunacy: Her name aside she implies that her power is connected to the moon but it's ambiguous if she was being literal or poetic. There is some credence to in vampire lore (the title character of The Vampyre was another Daywalking Vampire who was simply stronger in moonlight) but it's pretty obscure.
  • Nigh-Invulnerability: Completely hard to kill, Finn and Jake stake her several times while she's sleeping and even drag her out into the sunlight. Nothing works. She only goes down because Peppermint Butler manages to incapacitate her with a tree trunk-sized stake to the back; Marceline actually absorbs her while she's still alive.
  • The Paralyzer: She's able to force Finn to collapse and become barely able to move, as well as paralyzing Jake, all without apparently doing anything at all. This could be related to her power over the moon, as they're standing in its light.
  • Refuge in Audacity: Unlocks a safe just by repeatedly yelling the word "pigs".
  • Stringy-Haired Ghost Girl: A dead ringer for one, except with a dark tunic instead of a white kimono.
  • The Quiet One: Rarely utters a word while with her company. It isn't until she's chasing Finn and Jake that she finally speaks.
  • Unusual Ears: A single bat-like one in the middle of her forehead. Marceline described her as having "a head like a garden trowel".
  • Vocal Dissonance: She's small and looks like a Stringy-Haired Ghost Girl, but her voice is incredibly deep and echoes with a Voice of the Legion. Lampshaded by Jake when she finally speaks.
  • Who's on First?: PB instructs them to "[guys] take her back" to Peppermint Butler's poison lab but they mishear it as "stake her back" which is completely ineffectual. Turns out that Peppermint Butler staking her back with a large enough stake was enough to immobilize so Marceline could suck up her essence.

Season 9

    The Shape-shifter/Warren Ampersand
Voiced by: John DiMaggio, Dave Foley ("The First Investigation" and "Jake the Starchild")

A strange monster that Joshua and Margaret encounter during one of their investigations. Has only appeared in "Joshua and Margaret Investigates" so far until his return in "The First Investigation" and "Jake the Starchild".

  • Abusive Parents: Manages to be even worse than Martin and Hunson combined.
  • Affably Evil: He’s rather friendly and personable... for a guy who only reproduces so that he can drain his offspring’s lives later on.
  • Aliens Are Bastards: Threatens a pregnant lady, implants its egg into her husband, and chuckles wickedly at the end of it all before going home... it's the embodiment of this trope, albeit one (somewhat) toned down. And then there's the reveal about what he did to his own children.
  • Alien Blood: It bleeds bright green blood after Margaret pricks it with a pin.
  • Ascended to a Higher Plane of Existence: Played with. He accepts his impending doom via black hole on the grounds that it will lead to this, but it's not clear if that's what will actually happen.
  • Disappeared Dad: Assuming gender even applies, it's either this or Missing Mom to its child Jake the Dog. Jake isn't even aware that he isn't Margaret's biological child since his parents never told him about their encounter with the Shape-shifter. It's eventually revealed to be male in "Jake the Starchild".
  • Eldritch Abomination: Assuming the last form it takes in the episode is its true form, it's one of the most bizarre beings in the series.
  • Expy: He seems heavily inspired by Ego the Living Planet, being an alien who fathered a child with an earthly being and then feigned interest in connecting with that child, then using said child as a Living MacGuffin to fuel his narcissistic plans.
  • Face Death with Dignity: When it becomes clear he's going to get sucked into a black hole, he swiftly becomes eager to, noting that he has done as much as he can with a physical body, and is interested by the idea of a greater, more cosmic existence — which he thinks the black hole can provide. Then he lets himself die without resistance.
  • Face Full of Alien Wing-Wong: Inflicted this on Joshua, with Jake being the result. That and several other individuals.
  • Killed Off for Real: Jake throws him inside a black hole after he decides to suck the life force of Jake's kids.
  • Offing the Offspring: By sucking their life force.
  • Out-Gambitted: Once Jake realizes that Warren is tricking him, he swiftly gets the upper hand over the alien with a simple trick.
  • Pet the Dog: Admits he actually feels something for Jake, and, post-reveal, uses his stretchy powers to try to entertain and comfort him.
  • Superpowerful Genetics: Passed on its powers and some of its physical traits to its son Jake and his children.
  • Suspiciously Similar Substitute: Holds a number of striking similarities to Martin, including being a Disappeared Dad, being profoundly selfish but still having a Pet the Dog moment related to his kid, being heavily associated with outer space, being skilled at deception, and eventually choosing to leave behind their prior life to experience a more cosmic existence.
  • Vampiric Draining: Drained the life out of his offspring in order to keep himself alive through a special belt.
  • Vocal Dissonance: When we finally hear it speak it has a high pitched nerdy sounding voice despite its size and alien appearance.
  • Voluntary Shapeshifter: Turns into many different forms in the only episode it appeared in so far, such as a baby, humanoids, a cat, an owl and many other unknown forms. He can also create an entire city and actual people on an abandoned planet.
  • Walking Spoiler: He's Jake's parent, and wants to drain his life essence like he has done with his other offspring.
  • Wounded Gazelle Gambit: Took on the form of a baby when Margaret had it cornered. Margaret (apologetically) punched it out anyway.

    Gumbald (SPOILERS)
Voiced by: Fred Melamed, Mark Hamill (as Punchy)

PB's mysterious uncle who reappears in Season 9.

  • Affably Evil: Despite his greedy, dictatorial nature, he's still pretty friendly.
  • Artificial Family Member: He isn't really Princess Bubblegum's uncle—she created him when she tried to make a family.
  • Big Bad Ensemble: With GOLB for the whole series. After The Lich was Killed Off for Real in "Whispers", the show has both Gumbald and GOLB as contenders for the title in season 9. Unfortunately for him, he is reduced to Big Bad Wannabe in the Grand Finale.
  • Big Bad Wannabe: He is reduced to this in "Come Along With Me". In the penultimate he creates an army composed of the series' various villains. In the final episode he never gets to use it; first he gets trapped in a dream world and then he gets stabbed in the back by Lolly. And this is all before the finale's actual villain shows up...
  • Chronic Backstabbing Disorder: He tried to betray Princess Bubblegum in order to usurp the Candy Kingdom while also betraying his other family members and even after "reconciling" with PB he still tries to use his dum-dum juice on her.
  • The Dog Was the Mastermind: Gumbald was a relative of PB mentioned way back in the season two episode "Susan Strong". Seven seasons later, it turns out he was both a villain and the original form of Punchy the Punch Bowl, an extra that's been around since the first season.
  • Disc-One Final Boss: Ultimately, becomes this in the finale, where he is taken care of halfway through the episode (and in a rather ignominious fashion). Then the real final villain shows up, and things get real.
  • Evil Cannot Comprehend Good: When PB figures out he coated Finn in "dumb powder" to try and neutralize her, he shows that he believes rendering her harmless is the same thing as making peace.
  • Evil Counterpart: Just as smart as PB but without any compassion or empathy for others.
  • Evil Plan: Take out Finn so Bubblegum will be defenseless, so he can take over her kingdom.
  • Evil Uncle: He's Princess Bubblegum's uncle (though not literally), and wants to kill both her and Finn.
  • Greed: Obsessed with making money, originally. Now he wants to destroy his "niece" and Finn.
  • Hoist by His Own Petard: He was transformed into Punchy the Punch Bowl by his own dum-dum juice.
    • Twice.
  • Hypocrite Has a Point: Though he does the same thing much more flagrantly, Gumbald is right that PB wanted her "family" to go along with her plans for the Candy Kingdom, despite claims that she wanted them to be equals. Sure enough, all the Candy people PB makes after that point are just as stupid and obedient as Gumbald tried to make Princess Bubblegum. However, Bubblegum made them like that because she genuinely thought they'd be more happier that way... and they are still capable of free will, not mindless slaves. They did eventually lose patience with PB and they elected the King of Ooo in her place.
  • It's All About Me: All he cares about is himself. He used his dumb juice on his wife and son just so he wouldn't have to share any money.
  • Phlebotinum-Induced Stupidity: He creates "dumb juice" to turn his family into obedient idiots. It worked on Chicle and Lolly, but then backfired on him.
  • Psychopathic Manchild: Not as blatant as Lemongrab, but in spite of his intelligence, he's extremely short-sighted and selfish.
  • Unexplained Recovery: He was Punchy the Punch Bowl for about 800 years before he was somehow transformed back into his old self. It's not until "Seventeen" that it's explained to be a result of the World-Healing Wave unleashed at the end of Elements.
  • Walking Spoiler: Oh boy. The biggest — he was actually Punchy the Punch Bowl for the first 8 seasons. He was transformed by some of his own dumb juice.
  • Villain Team-Up: Recruits almost every single antagonist of the series (and the Ice King) to fight alongside him and Fern during the war between the Candy Kingdom and Gumbaldia.

Click here  for GOLB after merging with Betty

A malevolent being who is the embodiment of chaos and all that is evil. Turns out he has had followers or such as some point... most notably the Lich.

  • Almighty Idiot: Ambiguous, but he doesn't move with any sense of purpose until Betty takes over his body. This changes in Marcy and Simon where he decides to take action against Finn and his friends after taking control of his body back.
  • Anthropomorphic Personification: Embodies discord and chaos older than the universe.
  • The Anti-God: Implied, since he is an extremely powerful cosmic entity visually contrasted with Grob Gob Glob Grod. Perhaps the biggest example of proof is where the Lich calls himself the "Last Scholar of Golb," meaning the Lich is a follower (if the last one) to GOLB.
  • Big Bad: In "Come Along With Me", he becomes the true main antagonist of the entire series and Final Boss. Takes this role again in the final issue of the Marcy and Simon comic miniseries.
  • Big Bad Ensemble: With Gumbald for the whole series. After the Lich was Killed Off for Real in "Whispers", the show has both Gumbald and GOLB as contenders for the title, eventually settling on GOLB.
  • Blue-and-Orange Morality: His taint is unquestionably vile and dangerous if concentrated, but if diluted, it may be able to create "good" new life as entities like the Mother Gum and the Candy people are by-products of the Mushroom War that drew on his powers. This goes along with the idea that he is the embodiment of chaos and a necessary evil in the multiverse, just one you wouldn't want to get close to.
  • Breath Weapon: He spits out toxic green breath that turns living beings into abominations. It is implied that his creations are the creatures that existed before the universe as the Lich stated in "Gold Stars". It is also implied that the green Catalyst Comet and the bombs from the Mushroom War were made of his breath.
  • Brought Down to Normal: He's back to his old self after Hunson separates him and Betty in the final issue of Marcy and Simon
  • Complete Immortality: As a fundamental force of the universe, he can't be destroyed or erased, only redirected.
  • Contrasting Sequel Antagonist: The Lich is highly intelligent, patient, cultured, and loves to play mind games. This may be because he was a human mutated by GOLB's breath. His goal was the annihilation of all life. GOLB, on the other hand, barely seems sapient, may be incapable of speech, and just appears and attempts to mutate or eat anything near him. His only discernible goal is to bring back the pre-universal age of darkness and abominations. The Lich is a character altered by a force of nature while GOLB is that force of nature.
  • The Corruption: GOLB's breath can twist any living being that comes in contact with it into a mindless, destructive monster. He demonstrates this ability by turning a portion of the Gumbaldian army into a creature that somewhat resembles the Thing, which then proceeds to spread the corruption by attacking a Gumball Guardian. It's implied that a bomb made with GOLB's essence is what caused most of the evil beings in the show to come into existence, including the Oozers and even The Lich himself.
  • Curb-Stomp Battle: Delivers one to Finn, Jake and Marcy in Marcy and Simon after they try to help Betty take control of GOLB's body.
  • The Dreaded: Everyone fears him, including the entire Rogues Gallery of the series, and for a very good reason.
  • Early-Bird Cameo: While he doesn't play a role in the show until the final season, GOLB makes a cameo in Season 5's Puhoy, where Finn briefly runs into him after his elderly self dies in Pillow World.
  • Eldritch Abomination: He's an ancient cosmic entity, after all.
  • Evil Is Not a Toy: Young Simon researched GOLB and dreamed of harnessing his power. Apparently he wasn't the only one as some pre-War human nations somehow got some of his breath and used it to upgrade their nuclear missiles. The result was the Great Mushroom War.
  • Final Boss: He is the last villain our heroes face in the entire franchise.
  • Fusion Dance:
    • He uses his breath to fuse the Gumbaldian army into a single grotesque monster.
    • He ends up merging with Betty, who takes control of his body, and eventually leaving the planet Earth. This is undone by Hunson in Marcy and Simon.
  • Generic Doomsday Villain: GOLB never displays any sort of motivation or even basic sentience, acting as more of a force of nature than an actual character. He spreads chaos because he's... there.
  • God of Chaos: A malevolent entity of pure chaos and discord that spreads destruction wherever he goes.
  • Greater-Scope Villain: Of the whole series. He created The Lich and the other monsters before time, and was the one who sent The Lich into the universe, who caused the Mushroom War and desired the extinction of all that is life.
  • I Shall Return:
    • Grob Gob Glob Grod believes he will attack Mars again, which Magic Man agrees with... at first.
    • It finally happens in the finale after Betty and Normal Man summon him in order to save Simon and Margles.
  • It Only Works Once: While Marceline tries to help Betty separate herself from GOLB with music, he quickly acts and creates a force field around his body, knowing that harmony will incapacitate him.
  • Laser-Guided Karma: He knocks Marceline out while she tries to help Betty in Marcy and Simon. After Hunson saves everyone, GOLB is knocked out cold by him as payback for attacking Marceline.
  • Monster Progenitor: The Lich? Just some of GOLB's spit and breath loosed on some poor schmuck.
  • Mother of a Thousand Young: The monsters from before the universe are implied to be his many children, created from his breath that mutates creatures into horrible chimerical abominations, with the Lich being the last one.
  • Omnicidal Maniac: He is more than willing to finish the work that his last scholar did not finish: the destruction of all life.
  • Overly Long Tongue: It's always hanging out of his mouth.
  • Ret-Gone: Presumably what he did to Margles, since not even Prismo could bring her back! When he tried to, all he conjured up was a wastebasket, and he says that something like that has never happened before. It's possible the same thing happened to Finn's life in 'Puhoy' and to Betty.
  • Satanic Archetype: GOLB is the closest thing the series has to Satan himself (yes, even more than Hunson): He is The Anti-God, the Greater-Scope Villain to The Lich, a Monster Progenitor, and he is so monstrously powerful that confronting him is practically an impossibility. Furthermore, his appearance heralds the coming of an apocalypse. That said, however, as pointed out in the wiki he seems to have more in common with the Zoroastrian Ahriman, since he is a primordial, mindless force of evil rather than a Fallen Angel, and the heroes retrieve their loved ones from his bowels (albeit in a more dignified manner than sodomy).
  • Sharing a Body: What happened to him after he and Betty fused into Golbetty, with Betty stopping him from regaining control of his body.
  • Vile Villain, Saccharine Show: Much like The Lich, GOLB truly stands out as a disturbingly horrific villain without comedic moments. He is an Eldritch Abomination and an Omnicidal Maniac played seriously.
  • Villain Override: After Finn, Jake, BMO, Marcy and Simon arrive to save Betty from GOLB, he takes control of his body again.
  • The Voiceless: He never says a single word in the finale, not even when Betty merges with him. She's able to talk normally in Marcy and Simon while GOLB makes grunts while fighting everyone.
  • Weaksauce Weakness: Harmony. Singing causes his monsters to squirm in pain and produces deformities in GOLB's body. Downplayed in that it only incapacitates him momentarily, it takes Betty's Heroic Sacrifice and an Artifact of Doom to truly end GOLB's menace.
    • Marceline tries this again in Marcy and Simon to help Betty. It doesn't work.


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