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Main Character Index | Main Characters | Finn | Jake | Secondary Characters | Antagonists and Enemies | The Lich | Minor Characters | Fionna and Cake Characters

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    The Grass Sword/Fern 
https://static.tvtropes.org/pmwiki/pub/images/grass_sword.png
Click here to see its new form as Fern 
Voiced by: Hayden Ezzy (as Fern), Brad Neely (as the Green Knight)
A cursed sword made of grass provided to Finn by the Grassy Wizard. It cannot be removed, but becomes controllable once Finn accepts it as his weapon. As of season 7 episode "Reboot", it detaches itself from Finn and merges with the Finn Sword, becoming its own person.

  • Absurdly Sharp Blade: Sharp enough to slice through metal, and incredibly precise.
  • Adaptive Ability: It reacts to Finn's intense desire to not let his father escape in "Escape from the Citadel", taking over his whole arm, swelling up enormously, and giving him enough strength to restrain an asteroid from taking off. Unfortunately, the force of the asteroid's departure was so great that it ripped Finn's arm off; even then, the grass sword somehow made it so that the stump was completely healed over at the moment his arm was ripped off.
  • Alternate Self: Fern is a hybrid of the Grass Sword and the version of Finn that became a sword via time paradox.
  • Alas, Poor Villain: Despite being a massive jerk on numerous occasions, he eventually dies sympathetically.
  • Always Second Best: Fern's insecurities make him feel this way about Finn.
  • Ambiguously Evil: Though it did at one early point attempt to overwhelm Finn, the majority of the time it seems to act in his interest even when acting without his permission.
  • An Axe to Grind: Fern's Weapon of Choice after he becomes the Green Knight. It can also turn into a snake.
  • Ascend to a Higher Plane of Existence: Is reborn as a gigantic tree that watches over Ooo, with the Finn sword in its branches for a future hero to find.
  • Audible Sharpness: Rings like a bell when swung.
  • Body Horror: After Gumbald modifies his body and turns him into the Green Knight, his body becomes a darker shade of green, grows thorns on his limbs and head, becomes much larger and his head has holes scattered around his face.
  • Came Back Strong: As the Green Knight.
  • Combat Tentacles: Can sprout these from his armor as the Green Knight.
  • Cool Sword: A tachi made of grass that's supernaturally sharp and deft.
  • Clothes Make the Superman: It's a curse yet it actually gives Finn enough skill to cut through almost anything, enough to fend off the Bandit Princess, who was in possession of the Finn sword that doubles the strength of the user.
  • Cursed with Awesome: A parody of it. The sword was meant to be an actual curse to the user who finds it unwieldy and fears it. Guess what happens next.
  • The Dragon: To Gumbald.
  • Emergency Weapon: Becomes the available second after the existence of the Finn sword, in case the Finn sword gets either stolen or broken.
  • Empathic Weapon: It responds to Finn's will, retracting to wrap around his arm when not in use. It also seems to possess some concern for Finn's safety, slapping him awake when he's unconscious in the ocean. It also destroys the Fear Feaster as he antagonizes Finn.
  • Evil Is Bigger: After becoming the Green Knight Fern becomes MUCH taller, becoming several heads taller than Finn.
  • Evil Weapon: Implicitly, but Finn manages to keep it under his control. Played straight when Fern does a Face–Heel Turn.
  • Demonic Possession: A far more subtle and insidious case than most examples of this trope. When the Grass Sword merges with the Finn Sword to create Fern, the grass 'Curse' entity is able to entwine itself with the Alternate Finn. From then on, the Grass Entity is constantly influencing Fern, and is most likely responsible for his Green-Eyed Monster, Kill and Replace and Failure Hero tendencies.
  • Face–Heel Turn: After so many failures as a hero, he snaps and attempts to pull a Kill and Replace on Finn.
  • Failure Hero: Blames himself after failing to protect Ooo from the elemental curse and not being able to help stop the Lich's Hand plan during "Whispers". This results in... well, see the trope above.
  • Fusion Dance: Fern is the result of the Grass Sword and Finn Sword, itself a version of Finn, merging into a single being. The result is someone with Finn's memories, the Grass Sword's abilities and mix of both in personality.
  • Green Thumb: Gains the power to create plants after becoming the Green Knight
  • Green-Eyed Monster: Literally and figuratively. His envy and hatred towards Finn is the reason he wants the boy dead, just so he can prove that he's a better Finn than him.
  • Heel–Face Revolving Door: Starts out as a cursed sword that threatens Finn. Becomes a part of Finn that saves him several times, then transforms into Fern, who is friendly for a while, but then betrays Finn out of jealousy. Then he gets killed, and reborn as the Green Knight, before finally helping Finn kill the Grass Demon and redeeming himself just in time to die (deep breath).
  • Kill and Replace/There Can Be Only One: His goal is to be the only Finn on Ooo.
  • Living Weapon: Definitely alive, and possessing some level of sapience.
  • Ludicrous Melee Accuracy: Remarkably agile and the blade itself is flexible. It tends to carve solid objects into busts of Finn's head that themselves fall into separate pieces (i.e. the face and eyeholes slide out).
  • Mid-Season Upgrade: The sword itself has shown much more spotlight than any of the swords that Finn had in the entirety of the show and it proves more than enough to consider its keep on Finn. In the end of "Reboot", it detaches itself from Finn and taking his arm with it while protecting him from a rogue Susan Strong, merges with the Finn Sword and becomes Fern.
    • This happens again when Gumbald turns Fern into the Green Knight, allowing him to overpower Finn during the arm wrestling match in "Seventeen." It happens again in "Come Along With Me" were he is reborn as a replacement for Finn and Jake's Willow tree.
  • Only Mostly Dead: In the season six premiere, it's reduced to a flower on Finn's arm. A few episodes later, it regrows Finn's arm and is reduced to a thorn in the process. In the season finale, it grows back again, fusing with his regrown arm.
    • This happens once again when Finn accidentally kills Fern in "Three Buckets."
  • Paradox Person: Fern's main consciousness is the Finn Sword, who was the result of Finn encountering his past self while trying to revive Prismo. He ended up turning into a sword before merging with the Grass Sword.
  • Redemption Equals Death: His final fate.
  • Stealth Pun: Hardly "stealth" since it's the name of its introductory episode, but it's literally a blade of grass.
  • Talk to the Fist: Or blade, rather. It manages to slice through the Fear Feaster, much to his surprise, possibly without Finn commanding it to.
  • Tragic Hero: A textbook of this trope. As someone who began to be a hero, his depression grew progressively and he blamed himself after failing to protect Ooo from the elemental curse. His subsequent redemption and death in the Grand Finale makes his whole storyline even more tragic.
  • Took a Level in Badass: Goes from Finn's sentient grass sword to a grass human born from a Fusion Dance between the Finn sword and the Grass sword to becoming The Dragon to Gumbald as the Green Knight.
  • Villain Team-Up: He teams up with other villains in order to kill Finn and take down the Candy Kingdom.
  • Walking Spoiler: Its very existence on Finn's arm already concludes the (possible) final fate of Finn's missing limb conundrum.
    • This also applies to Fern's entire existence.
      • Not to mention Fern's transformation into the Green Knight.
  • World Tree: Is reborn as a gigantic sacred fern tree in the finale after forgiving Finn.
  • Your Days Are Numbered: After he kills the grass demon, his body starts to deteriorate. Justified since the grass demon was a part of him since his existence.
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    Flame Princess 
https://static.tvtropes.org/pmwiki/pub/images/flame_princess.png
"Don't EVER mess with me again..."
The princess of the Fire Kingdom; who is made out of fire. Beneath her innocent exterior is a deeply destructive and unpredictable personality, with a terrible temper. She has no perspective on the norms of the world and doesn't seem to understand what is right or wrong, likely due to being sheltered by her father. At the end of the third season, she inadvertently becomes Finn's new love interest. By the fifth season, it's clear that she's growing into a more settled personality, having spent time interacting with the world. She eventually usurps the position of ruler of the Flame Kingdom from her father.

Voiced by: Jessica DiCicco

  • Action Girl: She's incredibly powerful and destructive.
  • Always Chaotic Evil: Subverted. She thinks destroying things is fun - but only evil things, as mentioned at the end of "Vault of Bones". While the rest of her races is played straight, She tends to handle situations like a '90s Anti-Hero. However, she will not, under any circumstances, willingly hurt her boyfriend.
  • Ambiguously Evil: Was this for a good while until the truth came out: she is not truly evil after all, just emotionally disturbed due to being locked in a lamp most of her life because of her having world-destroying powers. However, her father, The Flame King, does state that she and everyone else in the Flame Kingdom are evil, but spending enough time with a good person can potentially change her over to the side of good (although she'd suffer penalties to her experience for doing so).
  • Amicable Exes: With Finn as of "Bun Bun".
  • Animalistic Abomination: After casting the Elemental Spell, her elemental self consumes her, turning her into rage-filled dragon-esq creature.
  • Apocalypse Maiden: She is so emotionally unstable that engaging in kissing makes her physically unstable to the point of causing her to heat up enough to melt through the earth's crust and burn up the entire planet. Luckily, that appears to be the only trigger so far.
  • Armor-Piercing Slap: On Finn.
  • Attack of the 50-Foot Whatever: As she is basically living flame, she's grown to the sort of size this trope covers once or twice, though it's tied to her emotions more than her destructiveness.
  • Ax-Crazy: Whether you think she is good or evil, it's clear she enjoys burning things a little too much, made abundantly clear after going on a rampage in "Vault of Bones"
    Flame Princess: YES! FEEL MY FLAME, PUNY WORMS! THE POWER OF DESTRUCTION!
  • Badass Adorable: Admit it, you'd totally hug her if she wouldn't accidentally burn you to a crisp.
  • Baleful Polymorph: Turns several Fire People into Fire Cats for whispering. This is not the first time she's done this.
    Flambo: So that's where I came from.
  • Berserk Button: Do not lie to her. Ever. And if she likes you, do not reject her. It's also not recommended to keep switching feelings for her. She's also still pretty angry at her father for locking her up in a lamp for most of her life. Speaking of which don't bring up her childhood or call her sweetheart as a result. And don't make fun of her, unless she's cool with you and you do it in a respectful manner.
  • Better as Friends: After making up with Finn in "Bun Bun," showcases this in "Son of Rap Bear," where they spend a lot of time hanging out and nothing happens. It's debatable whether this is because Phoebe never tried anything or because Finn shut her down, but either way, they really are comfortable together now.
  • Blue and Orange Morality: Tends to see the world in terms of elemental forces. This works out okay for Finn (he's a "water elemental" with lots of "magic air" in him), but she torches the Goblin Kingdom pretty good in "Hot to the Touch" just fulfilling her elemental destiny (with 0.0 casualties, thankfully). Note that this worldview appears to be unique to her, and isn't shared by any other Fire Kingdom denizens. On top of that, she seems to be trying to approach a more 'normal' worldview over time.
  • Broken Bird: She's been lied to and used for the sake of keeping power, her buttons have been further pushed when Finn unintentionally made her destroy the Ice Kingdom. Her tragic childhood led her to develop violent behavior that has decreased when dating Finn.
  • Burning with Anger: Flares up into a more monstrous form when angry. Kinda like a... Bedsheet Ghost made of fire? Also when using her flame powers - the more area-effect they are, the less humanoid she is.
  • Calling Your Attacks: Does this a few times in "Vault of Bones"
    Flame Princess: SCATTER FIRE! SNAKE FIRE!
    • In "Frost and Fire"
    Flame Princess: Infernoooooo Blast!!!
  • Can't Have Sex, Ever: A more kid-friendly version: since her powers are influenced by her emotional state, extreme ones like passion and love brought on by something as innocent as a kiss could ignite her so much, her body could burn so hot she could end up burning a hole into the center of the planet. Naturally, she and Finn have to find other indirect methods of dealing with this.
  • Character Development: Her time spent with Finn (and probably just as likely, time spent away from her father and the Fire Kingdom) has rounded her out some, and she is taking steps to be less volatile. She's also shaping up to be a far more fair ruler than her father was. (Unusually for the show, she's shown to learn something and grow with each appearance.)
  • Cute and Psycho: Justified by her background. She seemed to be improving with Finn's company, though, and by "Vault of Bones" she's more "Cute And Enthusiastic-about-burning-things". Since they've broken up, however, she's become more serious.
  • Cute Monster Girl: She's much more humanoid than most Flame People, who more often look like flames in half-melted rock "clothing" with minimalist human facial features.
  • Daddy Issues: She's got some animosity with her father thanks to him sealing her in a lantern for most of her life.
  • Dark and Troubled Past: Poor girl was sent to the woods as a child just so her father could have power. Then was trapped in a lantern for 14 years because of her Jerkass father's carelessness. What the poor girl went through was one of the reasons why she was so violent in the past.
  • Does Not Like Shoes: Flip-flops on this one. Her first dress didn't come with shoes, but she wears slippers (flats?) with her second dress - maybe she has a better grasp of outside culture by that point? Her third dress in Vault of Bones has her back to being a barefooter, and by the time she's the new ruler of the Flame Kingdom she wears boots as part of her outfit.
  • Elemental Embodiment: To make matters worse, all the fire she creates is actually a part of her - any attempt to curb her destruction causes her pain. However this means that she has absolute control of her fires and so far has chosen to not harm a single non-flame non-evil creature, even when she set an entire inhabited city alight. She currently lives in a house that is a fire on the outside and wood (with books on the wall) on the inside.
    • She is apparently the Fire Elemental of Ooo, which would explain why she is so powerful.
  • Enfante Terrible: She burned down a large forest outside of the Candy Kingdom as a baby, garnering the attention of Princess Bubblegum and leading to her being sealed away.
  • Evil Is Burning Hot: Gradually getting closer to an aversion with each appearance. By "Vault of Bones", it seems unlikely that she's evil at all, and certainly has no wish to be.
  • Expressive Hair: When we first meet her, her hair is in the shape of a flame (as pictured above) and at that point she's very temperamental and unpredictable in her moods. In "Vault of Bones", her hairstyle has changed to a more normal-looking bob haircut, only flaring up into its former style when she's startled, and personality-wise she's calmed down quite a bit. This could mean that her first hairstyle indicated how emotionally unstable she was.
  • Fatal Flaw: She has two, her inexperience and her temper. Princess Bubblegum exploits these and plays her like a fiddle in "The Cooler".
  • Fiery Redhead: Has a fiery personality that meshes well with Finn's, to go with that red hair, and tends towards a direct approach and impatience. Also literally, being fire in humanoid shape and all.
  • Flaming Hair: Always on, even when she's sleeping.
  • Flight: Capable of it, as seen in "Frost & Fire."
  • Glass Cannon: She can set whole fields ablaze in an instant, yet feels pain when those flames are extinguished, and can herself be doused like a flame. When exploring or adventuring with Finn, she's more of a Squishy Wizard.
  • God Save Us from the Queen!: Averted to hell and back when she becomes queen of the fire kingdom after overthrowing her dad. She simply wants people to just be honest, imprisoned her dad rather than murdered him (and did so because he was a horrible fit for the kingdom and an out and out terrible father), and forgoes a relationship with Finn for the time being to focus on keeping her people in control for the sake of all the other kingdoms out there.
    • However, she goes into a blind rage and destroys 5 of 6 priceless artifacts in "The Cooler". Granted, this was probably a good thing overall, as while she is unlikely to have ever used them, her brother was clearly looking for an excuse to.
  • Goo Goo Godlike: She was very powerful as a baby. To the point that her father had her abandoned in the wilderness in fear that she would become stronger than him and usurp the throne. He was right of course, but it was still a jerk move.
  • Hair-Trigger Temper: Most noticeable immediately after being released from her lantern ("STOP WHISPERING!!!!" -> *baby Flambos*), but appears to be trying to work it out for Finn's sake. It's less "hair trigger" with each appearance, though she still has a temper.
    • Comes to a head in "The Cooler", where it plays out as her Fatal Flaw. Whether it was on purpose or not, Princess Bubblegum was able to trick her into destroying 5 of 6 ancient weapons in a blind rage and came just short of killing Bubblegum.
  • Kill It with Fire: Quite enthusiastic about resorting to immolation as a solution for her immediate problems. At the same time, she's only attacked direct threats ...so far.
    • "The Cooler" points out that her area effect fire attacks are a liability even in the Fire Kingdom.
  • Kill It with Water: Hurt by anything that'll put out a fire, in fact (fire retardant, rain, water, tears, and simply stamping out a flame, as established in "Hot to the Touch"). She had gotten a little better at this by "Vault of Bones"; she lit a torch for Finn, and when he later doused it, didn't even react.
  • Klingon Promotion: A more kid friendly variant. Since they obviously couldn't get away with a teenage girl killing her father to obtain the throne, Flame Princess instead stages a coup which results in the (now former) Flame King being trapped in Flame Princess's old lamp, while Flame Princess takes the throne and ascends to the rank of, er, 'King'.
  • Knight of Cerebus: Of a much more nonstandard variety than the Lich. She doesn't appear very often, but when she does her episode will inevitably result in major shifts in the plot accompanied by Finn learning harsh life lessons. She's not a deadly serious villain, but she's a character whose presence always makes the show dive into more complex relationship plot lines than usual.
  • Linear Warriors, Quadratic Wizards: Clearly more powerful than Finn in "Vault of Bones", though they're still young enough that it's not fully clear where their limits are yet. And then there's her general lack of experience.
  • Meaningful Name: Other than the obvious, she's Finn's new flame.
    • Her first name, Phoebe, means "bright and shining" or "bright and pure", which fits her direct personality well.
  • Mind Screw: In her introductory episode, Jake tries to woo her on Finn's behalf (successfully), and then shapeshifts into Finn to continue the process. But when Flame Princess is said to be evil, he immediately recants. When the real Finn meets her, he first saves her, and then tells her he likes her. So, from Flame Princess's perspective, he told her he liked her, then didn't like her, then liked her again. Flame Princess' confusion is palpable, and her reaction perhaps predictable.
  • Mood-Swinger: Goes from being sweet and kind in one moment to screaming at the top of her lungs the next. Largely tapers off as time passes.
    Flame Princess: Come on, honey. Eat your soup.
    Finn: Huh? Wait, wait, wait...
    Flame Princess: EAT IT NOW!!!!note 
  • Mundane Utility: Can control her flames well enough to sense the composition of objects around her (or something), without damaging them: "I'll just use my Heat Sense." More to the point, the fact that she's made of flame means she's a walking light in dark places.
  • The Noseless: Without a nose she can still smell.
  • Not Good with Rejection: To say that she doesn't take rejection well would be putting it lightly. (Though, with Character Development working for her more than any other character in the show, there's a world of difference between her earliest and later reactions to it.)
  • Odd Friendship: In "Earth & Water", she befriends Cinnamon Bun. She likes him because he's honest, and this inspires her to make complete honesty the cornerstone of her rule once she takes the throne.
  • One-Winged Angel: Can transform into a giant monster made of fire.
  • The Performer King: Flame Princess takes up rapping, jamming with Finn in "Bun Bun", with Neptr in the talent show in "The Music Hole" and rapping for the right to rule her kingdom in "Son of Rap Bear."
  • Personality Powers: Her emotional state swayed her fire powers to a considerable degree, initially; even when she's happy she's destructive. In fact, too happy and she could cause the end of the world. She's been getting better about it.
  • Person of Mass Destruction: It gets like ten times worse in each appearance before tapering off in her later appearances such as "Ignition Point", and isn't an issue at all in "Vault of Bones" (she's more aware of her abilities and appears to be trying to avoid falling under the trope, to the point that she no longer trails fire as she walks). She still backslides on occasion if sufficiently provoked, as she devastates the Ice Kingdom and nearly kills Ice King and Gunther in "Frost & Fire". It's also shown in "Earth & Water" that when she was a baby, she set an entire forest on fire merely by walking through it. Part of the reason for this is that she was prophesied to be far more powerful than her father.
    Flame Princess: Fire's purpose is to burn. So I'm going to turn this land into my fire kingdom.
  • Playing with Fire: Naturally. And literally. Skeet shooting with little fireballs appears to be a game for her.
  • Politically Active Princess: Unlike the Candy Kingdom, the Fire Kingdom has war hawks and the occasional backstabbings, so she has had to adapt very quickly and ultimately leans towards a more democratic society than you'd expect from a royal family. While clearly not the genius that Princess Bubblegum is, she genuinely wants peace, and can be seen attending the conference in "Princess Day".
  • Power Incontinence: She apparently has to take special precautions to safely interact with non-Fire Kingdom residents, being living flame and all. Just to play cards with Finn for an extended period of time (in "Vault of Bones"), they have to cover her spot on the couch with foil, and wrap her hands in the same. However, since Jake is able to take her place immediately after she leaves, it's likely an extra precaution rather than a necessity.
    • Later episodes make it clearer that she's gotten much better at controlling her own fire most of the time. She is also poisoned in "The Red Throne", which seems to have capped her power for some time afterwards.
  • The Power of Love: One word can cause her flames to burn brightly, one drop can turn her completely around. If she gets romanced too much, she might destroy the world with her heat.
  • Pretty Princess Powerhouse: Don't let the princess outfit and general friendliness fool, it is very likely that she is the most powerful princess in Ooo. She could probably destroy an entire kingdom if she wanted to. In her second episode, she came dangerously close to doing just that (to the Goblin Kingdom, to be precise). She only stopped because she was distracted by Finn crying.
  • Rebellious Princess: Keep her locked in a lamp, or she'll light up your life. And everyone else if she gets too excited. Though now it's evident that she's rebelling against her father (and nature as living flame) due to having been locked up like that.
  • The Reveal: Flame Princess wasn't locked up because she was evil, Flame King locked her up because Princess Bubblegum had concluded that she was physically unstable and extreme romance would cause her to lose control of her elemental matrix, causing her to burn to the planet's core and destroy Earth in the process. A second one in "Earth & Water" reveals she was locked up because her dad attempted to abandon her in the woods to die as a baby after it was predicted she'd surpass him power-wise. However the attendant he sent to do so had a change of heart after playing with her for a bit and gave her to a foster dad whose house she accidently burned down, proceding to unintentionally take a large portion of the forest with her. Princess Bubblegum then noticed the flames and returned Flame Princess to her father, ordering him to contain her or she would, resulting in her life long imprisonment.
  • Ring of Fire: When Finn is chasing her, she casts one of these.
  • Sealed Evil in a Can: Her father was keeping her far away from the rest of the court inside a kerosene lamp-style glass globe at Princess Bubblegum's behest, partly due to her aforementioned ability to end the world, and partly to keep himself in power.
  • Second Love: For Finn.
  • Self-Fulfilling Prophecy: A messenger brought news to Flame King of his daughter being destined to grow extremely powerful. Fearing that she would one day usurp his position the way he did from the former Flame King, he sent her out into the wilderness to die. But she survived long enough to burn down a large stretch of land outside of the Candy Kingdom, gaining the attention of Princess Bubblegum and causing her to bring the infant Flame Princess right back into the Fire Kingdom with a warning that she should be sealed away. The Flame King constructed a large glass lamp and placed her in it, leaving her there for 15 years, until one day Jake arrived in the Fire Kingdom to find a new love interest for his heartbroken friend. After courting her, she is freed, and after a series of dates and a breakup, Flame Princess returned to take the throne from her father.
  • She Is the King: Her guards refer to her as the "new Flame King" after overthrowing her father.
  • Skilled, but Naïve: Despite her immense power, she understands next to nothing of the world outside the Fire Kingdom. Seems to be improving at this.
  • Spam Attack: Multiple tiny fireballs.
  • Spell My Name with an "S": Once in a great while, her name will be spelled as "Fire Princess". It sort of makes sense, given that she's from the "Fire Kingdom".
  • Star-Crossed Lovers: With Finn as of "Hot to the Touch". Finn cannot touch Flame Princess without getting hurt, unless she (read: her flames) is severely weakened (read: near death). By "Burning Low", he's learned to take the pain better, but still...
    Flame Princess: ...You would defy nature for me?
  • Superior Successor: According to a royal messenger, Flame Princess was destined to become far stronger than Flame King ever would, so he sent her out to die in the wilderness to die. Naturally he failed, and 15 years later she would indeed take the throne from him.
  • Surrounded by Idiots: She has actual advisers - mostly family - but they aren't much help.
  • That Makes Me Feel Angry: Initially has some trouble describing herself (she's an elemental rather than a typical denizen of Ooo in "Hot to the Touch"), but gradually gets better at it.
  • Third-Option Love Interest: Finn initially loved Princess Bubblegum and got along well with Marceline - but ended up with her, a sort of add-and-divide-by-two version of them in terms of personality.
  • Took a Level in Kindness: Has mostly cooled down by "Ignition Point" by ceasing to be destructive (consciously). Now just chills around with Finn and Jake whenever she appears.
  • Tsundere: She makes Asuka Langely Soryu look tame by comparison! In "Incendium", she blushed at the fact that Finn "likes" her, then immediately slapped him afterwards for his(from her viewpoint) waffling. In "Hot to the Touch", when she was warming up to Finn's declaration of love, she back-pedaled a few seconds later in disgust, saying that he shouldn't toy with her. Her unpredictable and fiery personality really help the trope come out. Not so much from "Ignition Point" onward; even after she and Finn break up in "Frost & Fire", she's more sad than angry.
  • Uptown Girl: For Finn.
  • Violently Protective Girlfriend: She becomes this in "Vault of Bones" when Finn gets captured by a giant Goo Skull. Thankfully, she's gotten a LOT more levelheaded by that point.
  • Weaksauce Weakness: Water. This initially applied to any flames she'd made, but that appears to no longer be the case (she lit a torch for Finn at one point, which he then put out in water to no reaction from her).
  • What the Hell, Hero?: She's less than pleased when she finds out Finn has been tricking her and Ice King into fighting each other. Especially because the last fight was sparked by a fake letter. Containing stuff about her only Finn would know.
  • When All You Have Is a Hammer...: As shown in "Vault of Bones", meticulous exploration bores her and she prefers to just burn her way through obstacles. Subverted when she uses Finn's method to free him from the cocoon, since burning up his captor would kill him, or at least greatly injure him.
  • Woobie, Destroyer of Worlds: Averted. She certainly considered taking over Ooo with fire, first thing out of the Fire Kingdom, but Finn and Jake managed to prevent it. On top of that, she seems to have considered it an elemental imperative at the time, likely stemming from a childhood spent cooped up in a glass bottle...
  • Wreathed in Flames: Is in fact living flame, and has a variety of fire attacks at her disposal. Can switch forms as well, but since she defaults to her humanoid appearance, it's probably this and not Elemental Shapeshifter.
  • Yandere: Had shades of this, initially.
    Jake (pretending to be Finn): (after learning she's evil and psycho) Y'know, On Second Thought, we're not really each other's types...
    Flame Princess: ...We're... what?
    Jake (pretending to be Finn): I changed my mind. I don't like you.
    Flame Princess: You... WHAT?!?!?!
  • You Wouldn't Like Me When I'm Angry: No, you wouldn't.
    Flame Princess: You should not toy with the emotions of a fire elemental.

    Earl of Lemongrab 
https://static.tvtropes.org/pmwiki/pub/images/lemongrab3_1.jpg
"UNACCEPTABLE!!!"
Click here to see Lemongrab between seasons 3 and 5. 

Rocks... Dripping water... More rocks... Mmmm I'm becoming stressed!

A very loud lemon drop man created in a lab by Princess Bubblegum in case she was ever unable to rule the kingdom. The first one of the princess's experiments gone wrong, he has a... "special" way of thinking and looking at the world. He lives with a clone of himself (so aptly named Lemongrab 2) and their Lemon Children/Subjects in Castle Lemongrab. He eventually became a power-hungry tyrant who ate his brother, but thanks to Lemonhope, he was defeated and PB combined the two Lemongrabs into Lemongrab 3, who has mellowed out. As Lemongrab 3, he becomes much more empathetic and retains at least some of his earlier incarnations memories, if not all of them.

Voiced by: Justin Roiland

  • 0% Approval Rating: As established in "You Made Me!", just about everyone in the Candy Kingdom completely despises him and vehemently protest against Princess Bubblegum's request that some of them go to Castle Lemongrab to keep him company. One Candy Person, Mr. Cupcake, actually goes so far as to break his own arm to have an excuse not to hang out with Lemongrab.
  • Abusive Dad: In "Too Old", Lemongrab becomes this when he goes over completely to the dark side, especially toward Lemonhope. As Lemongrab 3, however, he becomes a very good parent.
  • Adipose Rex: Lemongrab becomes this after he almost eats his own clone.
  • All Crimes Are Equal: He treats extremely small offenses as if they were serious, terrible crimes.
  • Ambiguous Disorder: Thanks to some kind of chemical error Princess Bubblegum made when she created him, Lemongrab is very, very, very weird. His mania for a personalized order and inability to understand social interactions point towards a sort of Aspergers, but taken to a terrifying, bleeding-from-the-ears extreme.
  • Ambiguously Gay: Lemongrab does not show any flamboyance but he lives and raises children with Lemongrab 2, whom Princess Bubblegum created for him. What pits him in the ambiguous category though is that he frequently calls Lemongrass 2 his brother.
  • Anti-Hero: Became one as Lemongrab 3, especially in the Grand Finale. He is still as weird as ever, but he was willing to help Bubblegum in the war against Gumbald. He also managed to help Bubblegum in the war against GOLB, eventually becoming one of the co-saviors of the world.
  • Ax-Crazy: As Lemongrab 1, he was a violent madman and had even committed cannibalism. However, much of his AxCrazyness is very downplayed after his redemption as Lemongrab 3.
  • Backhanded Apology: He's still learning about how to interact with other people- and this ineptness leads to this:
    Tree Trunks: I can make an apple pie for all of us!
    Lemongrab: Make them FAST, servile!
    Tree Trunks: If you wanna taste MY juicy apple pie, you'd better be nice! You got that?
    Lemongrab: ...I am sorry. Make pies, slave.
    Tree Trunks: Okay, that's better. Now let's see about this pie business.
  • Bad is Good and Good is Bad: Has a bit of this, most strongly after his Face–Heel Turn. To wit, he calls Lemonhope, by far the least malformed lemon, ugly, and while his melodious harp music was physically painful and ultimately deadly to Lemongrab, the cacophony Lemonhope created on Finn's flute sent both him and his brother into a blissed out trance.
  • Barbie Doll Anatomy: Like most candy people.
  • Berserk Button: What really sets him off are rulebreakers, being personally insulted, and being bullied.
  • Beware the Silly Ones: He seems like an awkward doofus, but he is capable of being dangerous. He's surprisingly strong, surprisingly smart, and you can never tell when he's going to do something incredibly... stupid.
  • Big-Bad Ensemble: With the Lich in Season 5.
  • Blue and Orange Morality: Cemented in "You Made Me," claiming that he does what his "lemon heart" tells him to do, which are things decidedly different than what a normal candy person- or any normal person for that matter- would do. If anything, almost every bad thing he does as Lemongrab 1 can be justified using his bizarre, twisted logic.
  • Buffy Speak: Frequently, due to his excess zeal and childishness. WHO DID THE THING?!
  • Captain Obvious: Due to being complete idiots, both Lemongrabs are this:
    Lemongrab 2: They broke the door!
    Lemongrab: The door is broken now!
  • Catchphrase: "UNACCEPTABLE!"
    • "_____ (number) _____ (length of time) dungeon!" Even Lemonjon said this at one point.
  • The Caligula: Became one as Fat Lemongrab. Fortunately, he is redeemed as Lemongrab 3.
  • Cloudcuckoolander: If his odd mannerisms and voice, and the psychedelic appearance of his children, is any indication of his general strangeness.
  • Comedic Underwear Exposure: When Lemongrab is "born," the first thing he does is flap his arms and scream in terror, much like a newborn baby. In "You Made Me," he has a psychotic breakdown from loneliness, which compels him to run through the night screaming and crying bloody murder and tearing off his clothes.
  • Composite Character: Lemongrab 3 is this In-Universe - he's essentially Lemongrab 1, but now has the understanding, empathy and potential for good of Lemongrab 2.
  • Control Freak: As Lemongrab 1, he was unpleasantly tyrannical and incompetent. As Lemongrab 3, however, he is the complete opposite.
  • Cool Sword: Has a tip shaped like a tuning fork and shoots sonic blasts.
  • Creating Life Is Awesome: They liked it so much, they needed the formula erased from their heads.
    Lemongrab 2: I looked deep inside myself and found that I am a guy who can't stop making candy life from the food he needs!
    Lemongrab: Me too!
  • Creating Life Is Bad: Lemongrab started off as being a nearly perfect example of this trope. However, he got better when Lemongrab 2 was made Until Too Old.
  • Creepy Monotone: When the earl is at his angriest, he stops screaming and assumes a quiet, sometimes monotone voice. Examples include how he speaks when torturing Finn, Jake, and the Pup Gang (smiling, too!), and his line in "Mystery Dungeon" just before he KO's the Ice King.
  • Dark and Troubled Past: He was a miserable, psychologically imbalanced failed experiment who was abandoned by Princess Bubblegum for having a difficult personality and several mental problems. As a result of this, he spent most of his life alone in an isolated castle, secluded from the other Candy People.
  • Dark Is Not Evil: Lemongrab and Lemongrab are respectively this and Light Is Not Good. Their morality seems to alternate between light grey and dark grey.
    • Evil Wears Black: Starting to lean towards it in 'Too Old' with Lemongrabs 1 becoming more abusive and Lemongrabs 2 trying to give at-least some hope to the Lemon Children in some doses. Played completely straight in "Lemonhope".
  • Death Equals Redemption: Very literally for the original Lemongrab, he became so irredeemably Ax-Crazy by "Lemonhope" that the only possible way to redeem him was to kill him and then recreate him entirely.
  • Defeat Equals Explosion: When Lemonhope returns to the Lemon Kingdom and plays his harp, Lemongrab explodes.
  • Depending on the Writer: The depths of Lemongrab 1's instability (and to a lesser extent, the exact nature of the Lemongrabs' relationship). It's resulted in a wild ride of a character arc.
  • Disproportionate Retribution: Will send anyone to the dungeon for a random amount of time (from three hours to a million years).
    • Taken to a much darker extreme in "You Made Me." The Pup Gang had been being a bunch of insubordinate brats ever since they arrived at his castle- he loses his temper when they called him "crazy." Then he electrocuted them. It only gets worse from there.
      Lemongrab: Maybe... maybe ten units for trespassers?
    • Taken to an even worse extreme in "Another Five More Short Graybles." When Lemongrab and Lemongrab 2 accidentally break their toy, Lemongrab attempts to eat Lemongrab 2.
  • Domestic Abuse: He grows increasingly cruel and violent towards Lemongrab 2, eventually eating him in "Too Old". Not to mention all of his poor kids.
    • Averted as Lemongrab 3. He never commits any kind of abuse against his children.
  • Earn Your Happy Ending: In "Come Along With Me", he is seen smiling happily, as the cracked ceiling of his bedroom that bothered him so much in "The Mountain" is papered over with a beautiful mural by Jermaine. Despite all the misfortunes that happened to him throughout the series, he finally obtained what he always wanted: A happy life.
  • Entitled Bastard: He claims that his royal blood gives him the legal right to break in to the Candy Castle and watch the candy people sleep.
  • Even Bad Men Love Their Mamas: It's a complicated, dysfunctional relationship, but the Lemongrabs both hold Princess Bubblegum in high regard, feel comfortable with asking her for help, value her opinions, and think of her as a mother even though she has never referred to them as her sons.
    • Seems to be averted and played straight in "Too Old," in which he expresses loathing and resentment towards PB, but still goes to great, frightening lengths to impress her.
  • Even Evil Has Loved Ones: While definitely not evil, the Lemongrabs certainly are rude, obnoxious assholes, and very unpleasant people. But they are openly doting to their children, loving to one another, and seem to care about their mother, though their relationship with her is complicated. This ends up all undone for Lemongrab 1, at least in regard to his fellow lemon folk, but amplified for Lemongrab 2.
    • Averted as Lemongrab 3. In contrast to his former personality, he becomes a good king.
  • Evil Twin: Inverted. Lemongrab 1 is more Ax-Crazy than 2.
  • Fat Bastard: When Lemongrab becomes morbidly obese, it's no wonder he turns out to be this.
  • Faux Affably Evil: In "Too Old," he invites Finn and Bubblegum to a dinner in his castle to impress them, and addresses them in a very friendly way. However, this is completely avoided when he becomes into Ax-Crazy in the climax of the episode.
  • Freudian Excuse: The reason he's an enormous miserable jerk is because he's lonely, being the only one of his sour, lemony kind, mostly because he was a failed experiment. That is, until Lemongrab's clone shows up. After that, he's a bit less of a jerk, and noticeably happier. Sadly, it doesn't last. Fortunately, he got a happy ending as Lemongrab 3.
    • This might also explain why Lemongrab 1 goes crazy while Lemongrab 2 does not. 1 suffered all the effects of loneliness, while 2 has never known a life without his beloved brother.
  • From Nobody to Nightmare: He starts off as just a failed experiment. He later went on to become an Ax-Crazy tyrant in Season 5. Fortunately, he went back to being harmless as Lemongrab 3.
  • Gag Nose: Basically, a yellow version of Ice King's nose.
  • Genius Ditz: Although he comes across as an idiot, he's apparently frighteningly good at designing and building non-letal weapons and torture devices; including his own Sound Sword, and the Reconditioning Chamber. He also has a photographic memory and was able to understand making Candy Life.
  • Gilded Cage: Princess Bubblegum stuck him in the faraway Castle Lemongrab, where servants tended to his every whim, and he ended up as a spoiled, friendless brat.
    • Not so much anymore, however. Castle Lemongrab is now inhabited by two Lemongrabs, and all of their young children.
    • After he got merged with his clone at the end of season 5, he lives alone with his children but seems to be more stable.
  • Gonk : Lemongrab is one of the strangest-looking candy people, and his more humanoid appearance is a bit unsettling. His kids seem to be a mix of this and adorable.
  • Good Feels Good: Invoked when they tell Finn and Jake about their experience of being dads:
    Lemongrab 2: It just felt so pretty okay inside greeting each new placid face!
    Lemongrab: And hearing each new piercing song!
  • The Good King: As Lemongrab 3, he's a benevolent, peaceful king.
  • Good Parents: Became one after his resurrection as Lemongrab 3. This is shown in "The Mountain", where he treats his children very well.
  • Hair-Trigger Temper: Initially he started to grow out of it, but it came back, literally violently.
  • Hanlon's Razor: The Lemongrabs' main problem, is that they are far too stupid to realize how much their actions harm people, including themselves. They are dangerously yet unaware of the extent of their incompetence at... well, everything.
  • Hate Sink: He was a Hate Sink during his most hateful moments back in Season 4 and especially Season 5. He tortured several children and Jake with Electric Torture ("You Made Me"), threw Princess Bubblegum in the dungeon twice and even tried to attack her with his sound sword, was physically abusive towards his children and his brother with a sadistic glee ("Too Old"), and unlike most villains in the show, his Ax-Crazy behaviour was downright nightmarish. Thankfully, he returned to being sympathetic in Season 6 due to now being combined with his brother, who had learned actual kindness and empathy.
  • Hates Being Touched: Initially, gradually became less irritated by it.
  • Hates Everyone Equally: He dislikes pretty much everybody. Don't talk to him or even look at him. This actually stemmed from a failed science experiment.
  • Headbutt of Love: He and his clone do this shortly after they meet each other and decide they like each other.
  • Heavy Voice: When Lemongrab becomes obese, his voice becomes a bit more strained, and slightly muffled.
  • Heel–Face Turn: Played completely straight as Lemongrab 3. He is redeemed again through dying and being reconstructed, merged with Lemongrab 2. As shown in "The Mountain", he now runs the Lemon kingdom in a much more fair and efficient manner.
  • Heterosexual Life-Partners: Lemongrab and Lemongrab 2 before Lemongrab 2 got eaten. Considering their overall relationship and the fact that they have dozens of children together, the "heterosexual" part may be arguable.
  • Hidden Depths: There's a lot going on in this guy's head, and he's far more complex and complicated than the "annoying jerk" archetype he initially appears to be, both character-wise and literally, there's an image of his brain full of his weird thoughts.
  • I Just Want to Be Normal: Related to the trope below, though it's an interesting example. He does try to be normal and do the right thing, but he just can't seem to manage it, and his failures cause him to become frustrated and lash out at others. He also becomes increasingly bitter that he's the one expected to change when no one is willing to put up with him the way he is, despite his "defects" being beyond his control.
    • It's been confirmed the "catcher's mitts" represent Lemongrab's secret, incessant scrutiny of "the normal" and "the mundane," and his repeated (and obvious) failures at "understanding normality." The catcher's mitts themselves, set on pedestals, represent the fact that Lemongrab holds normalcy in such high esteem.
  • I Just Want to Have Friends: Implied to be Lemongrab's reason for even coming back to the Candy Kingdom. It was thanks to Bubblegum creating a second Lemongrab, exactly the same in every way, to ease up on their sour attitudes. Both of the Lemongrabs then use the Princess's formula to endlessly create life, thankfully they had the formula removed.
    • Unfortunately, Lemongrab and Lemongrab 2 couldn't avoid disagreeing on things because they have different backgrounds despite their similarities, leading Lemongrab to become even more corrupt while Lemongrab 2 became nicer but crippled by his brother's abuse. Eventually, Lemongrab eats Lemongrab 2 alive after finally being pushed off the deep end. However, he returned to being sympathetic in Season 6 as a good king without a brother.
  • I'm a Humanitarian:
    • In "Mystery Dungeon," he seems really interested in eating the Ice King.
    • In "Another Five More Short Graybles," he attempts to swallow Lemongrab 2 whole and in "Too Old," he tries it again, and this time he succeeds. He proceeds to eat several of his children alive in "Lemonhope". Fortunately, they're Swallowed Whole.
  • Incoming Ham: His unforgettable entrance in "Too Young," in which his delightfully memetic catchphrase is firmly established.
    • A kind of scary version appears in "Too Old" when he's first shown on-screen.
  • Insane Equals Violent: Deconstructed and played with. He was born with an inherent lack of rationality, which shows in "Too Young." However, he didn't show violent tendencies until "You Made Me," when he went crazy from loneliness.
  • It's All About Me: Demonstrates many traits of this trope, particularly in "Too Old".
    • Averted as Lemongrab 3. As a good king, he really seems to care about his children.
  • I Want My Mommy!: He cries "Mommy!" in the episode "Mystery Dungeon" as a giant monster is literally squeezing all of his juices out of him.
  • I Reject Your Reality: According to Word of God, Lemongrab is under the delusion that he is always right. He also loves order and can only function properly in a society where everyone obeys and agrees with him. After becoming Lemongrab 3, however, he displays more conscious awareness of his faults and past sins.
  • Jerkass Has a Point: Occasionally, he does bring up some fair points that are often overlooked- for example, calling Princess Bubblegum out for tinkering carelessly with life and not thinking of the possible consequences, saying that his perspective is no less valid because he happens to be a failed experiment, et cetera.
  • Jerk with a Heart of Gold: Zig-zagged. Lemongrab's a big jerk, there's no denying that. But he's a big jerk who also happens to care immensely for his best friend, and he loves his children, enough to starve himself just to welcome more children into his family. It's taken a while, but his lemon heart has sweetened up just a little bit. Until he got even worse than before in "Too Old".
    • "The Mountain" shows he has gotten a lot better after being combined with 2 into Lemongrab 3, where his castle is in order, he is much more mellow, and he has come at peace with who he is.
  • Jumping Off the Slippery Slope: Lemongrab 1 lets his Freudian Excuse, which Lemongrab 2 does not share, consume him and corrupt him thoroughly.
  • Lack of Empathy: He is described by a writer on the show as being "isolated" and with an "inability to read social cues." Obviously, Lemongrab is completely unaware of how much he annoys and upsets people around him.
    • In "You Made Me," when he is given three delinquent candy kids to govern, he locks them up in a dungeon and tortures them. When Finn and Jake break in to rescue the kids, he locks to door to the chamber behind them and tortures them too. AND SMILES AS HE DECIDES HOW MUCH PAIN TO GIVE THEM.
    • The Lemongrabs' capacity for empathy and outright affection seems to extend only to other lemon creatures, and Lemongrab 1 even loses this when he becomes single-mindedly obsessed with pleasing Princess Bubblegum.
    • Played totally straight and taken Up to Eleven in "Too Old." Not only does Lemongrab become a full-blown Ax-Crazy, but he actually laughs as he hurts his children and seems to get off from their pain.
    • Averted as Lemongrab 3. Due to being merged with his brother, he is really able to feel empathy for his children.
  • Large Ham: He shouts so much that it would be a miracle if his voice actor didn't end up having a sore throat after each recording session.
  • Last Minute Hookup: In the finale, Lemongrab 3 and Lumpy Space Princess smooch when all looks lost. Word of God stated that they probably dated for at least a little while afterwards, but shrugged when asked if the relationship would last.
  • Lawful Neutral: In-universe-assigned aligment in the comic series.
  • Let's Have Another Baby: The earls took this trope to an extreme level.
  • Loners Are Freaks: Invoked and deconstructed - and it seems to go both ways. The Candy People think he's a freak, and dislike him, because he's annoying, loud, rather stupid, socially inept, and unintentionally rude. As a result of this, Lemongrab is often very mean and aggressive to others. However, his aggression also further drives people away, and the Candy People are afraid of him for his tendency to become Ax-Crazy when pushed too far. At the end of "Lemonhope Part 2", Princess Bubblegum surmises that being his usual lonely self seems to be the only way Lemongrab will stay stable.
  • Made of Iron: His skin is so thick that it's literally impossible for him to explode, according to Word of God. He also fell head-first out of the top-story window of a castle, and landed on his head with such force that he had to physically strain to pry himself out of the earth... and he was completely unharmed.
  • Manchild: He's implied to be an older teenager or young adult, but he has all of the emotional and psychological maturity of a five-year-old.
  • Monster Sob Story: His backstory first plays out as an allusion to "Frankenstein," complete with a creepy laboratory scene and him violently jerking up and screaming hideously. Later, he tells Princess Bubblegum that he's extremely lonely and unhappy with his life.
  • Mood-Swinger: He'll frequently shift from calm to insane at the drop of a hat.
  • More Teeth than the Osmond Family: "Mystery Dungeon" shows that he has a row of extremely sharp teeth, which he reveals by unhinging his jaw like a snake.
  • My Greatest Failure: Lemongrab 3 sees the event where he, as Lemongrab 1, turned on Lemongrab 2 and became a monster as his biggest regret in life.
  • Naked First Impression: Lemongrab first meets Lemongrab 2 when LG 2 walks into the room butt naked (because he was created mere minutes ago, he didn't yet own any clothes.) Lemongrab doesn't seem to care much- he's more concerned with figuring out who the hell the guy is, then finding out whether or not he is dangerous. Which leads to some awkward poking.
  • Neat Freak: He starts off this way in "Too Young," but this aspect of his character seems to have been abandoned, or he simply grew out of it.
  • Nervous Wreck: Lemongrab started off as a perfect example of this trope, but he's mellowed out as the show has progressed.
  • Never Be Hurt Again: One of the reasons he tries to attack Princess Bubblegum in "You Made Me." He's tired of her making mistakes when trying to deal with him, and he doesn't want her to do anything else to upset him.
    • Brought up again in "Too Old."
  • Never My Fault: Both Lemongrabs are incapable of taking responsibility for their actions. They'll blame whoever is nearby when they do something wrong.
    • Subverted in "Too Old" for Lemongrab 2, who states that he has "learned his lesson," showing that he at last knows his behavior in the past has been wrong and that lemon people don't need to act like that.
  • Nightmare Fuel Station Attendant: Easily one of the series' scariest characters. Fortunately, this is very downplayed as Lemongrab 3.
  • No Indoor Voice: It's as if the writers wrote his dialogue in all caps, with no spaces.
  • No Sense of Humor: He tries, though. But...
  • No Sense of Personal Space: He sincerely did not understand why Princess Bubblegum was upset when he sneaked into the Candy Castle to watch people sleep.
  • Not Evil, Just Misunderstood: The creators of the show repeatedly have to assure fans that Lemongrab is not evil. (At least, not intentionally so.) Even his full-on cross to the dark side has more to do with his mind deteriorating completely than with any actual malice.
    • He does seem to become Ax-Crazy at the climax of "Too Old", though. Even though he still expresses anguish over his tragic backstory, the writers take pains to still make him hateful. Fortunately, Lemongrab is finally redeemed; he explodes, effectively ending his irredeemably evil life to that point, then gets reconstructed by Bubblegum and effectively has a Reset Button pushed. Plus he's combined with the infinitely more compassionate Lemongrab 2 now, so there's that.
  • Nothing but Skin and Bones: Happens to the Lemongrabs in "All Your Fault," after they make all of their food into children and nearly starve to death. They get better again, fortunately.
  • Non-Standard Character Design: His eyes are vastly different from most of the other characters' eyes, and he's one of the few to have a nose.
  • Obliviously Evil: Really- he didn't know that imprisoning everyone in the Candy Kingdom for one million years, torturing children and small animals, and attempting to take over the world were bad things to do! He's just special! Also very stupid. He later becomes an Ax-Crazy tyrant who unabashfully abuses everyone in his family. The only way to fix him is to basically kill him and then push the Reset Button on his entire life.
  • Open-Minded Parent: Lemongran, unlike Princess Bubblegum, don't seem to care in the least how misshapen and weird his children are- because those are his children, and they love them like family. Although for a time he was a tyrannical, Ax-Crazy dictator (as Fat Lemongrab), he is finally redeemed as Lemongrab 3, being part of this trope again.
  • Parental Issues: Lemongrab and Princess Bubblegum have a strained creator-creation relationship.
  • Pet the Dog:
    • The end of "You Made Me".
    • Lemongrab 3 shows this in his one scene in "Normal Man", actively putting himself out there socially through a dating site, and when he has to abruptly leave his date with Lumpy Space Princess for reasons related to his mental issues, is very direct in his reason why and is polite to LSP in doing so, making sure to add "This was nice". Later, in "Come Along With Me", he accepts being kissed by LSP, saying he finds it "acceptable".
    • In "Come Along With Me", he also helped defeat GOLB in the war against it.
  • Photographic Memory: As demonstrated in Mystery Dungeon.
  • Planet of Steves: He and his clone are both named Lemongrab. Their castle is called Lemongrab. Their earldom is called Lemongrab. The surrounding territory is also called Lemongrab.
  • The Proud Elite: Lemongrab is an earl, the heir to the Candy Kingdom throne, and the son of the princess. And he will not hesitate to use this as one of his many excuses for being a spectacularly condescending jerk.
    Lemongrab: That's why I am royal and you are servile!
  • Psychopathic Manchild: Taken to hilarious, sad, and frightening extremes. As Lemongrab 3, he's just a Manchild.
  • Rage Against the Reflection: In "You Made Me," when Blombo calls him "crazy," he actually starts to say "Yes" as he walks over to a mirror, looks furiously at his reflection, and points at his own face.
  • The Rain Man: Most of the time, Lemongrab is portrayed as a bumbling idiot with no social skills, no common sense, no logic, no inhibitions, no shame, and no knowledge about the world around him. However, he's surprisingly accomplished in his scientific pursuits, is occasionally extremely proper and well-spoken, and occasionally reveals great insight about himself and his place in the world.
  • Raise Him Right This Time: Bubblegum now has the chance to do this at the end of "Lemonhope", and as "The Mountain" shows, she did so.
  • Reasonable Authority Figure: As Lemongrab 3.
  • Reluctant Psycho: When asked, "Are you crazy?" he actually agrees, and is clearly distraught.
    Earl of Lemongrab: YEAAAAAAAAAAAAAAOOOOOOOOOOOOUUUUUUUU...MEEEEEEEEEEEEEEEEEEEEE?!
    • "No one... no one understands!"
    • "We warned you! We warned you about us!"
  • Royal Brat: He was taken away to live in isolation and given whatever he wants by servants after his birth, making him spoiled and entitled.
  • Sanity Slippage: He isn't exactly inherently "sane", but he gets even more unhinged in Season 5 on thanks to his mommy issues.
    • Averted as Lemongrab 3. Although he is still as weird as ever, he is not dangerous.
  • The Scream: He gets this very often.
  • Screaming Warrior: When he's fighting, of COURSE he becomes this. After all, he's Lemongrab.
  • Serious Business: For him, everything is serious business.
  • Sheltered Aristocrat: "Also, I don't know where FOOD comes from!" He's become a little more worldly since then, though.
  • Sissy Villain: While not exactly "effeminate," he has a whiny, high-pitched voice and is also an overly-emotional, obsessive-compulsive neatfreak drama queen.
  • Sonic Scream: His sword runs on this principle. It's powered by the frequency of his deafening screams, and shoots sound-blasts powerful enough to knock people unconscious, physically injure people with blunt force, and destroy clothes and hair.
  • Sophisticated as Hell: He has exceedingly pedantic speech, and goes from speaking in a very proper and dignified way to screaming in Hulk Speak to speaking very casually with slang.
    • This exchange probably sums it up best.
      Lemongrab 1: Hm, yes, for the candy food was not consumed, but was given life!
      Lemongrab 2: You see, Finn...
      Lemongrab 1: When Mother Princess last visited Castle Lemongrab-
      Lemongrab 2: When she saw fit to create me, Lemongrab-
      Lemongrab 1: She left behind a little something something!
  • Sour Outside, Sad Inside: Literally and figuratively.
  • The Southpaw: Wields his Sound Sword left handed.
  • Stalker Without a Crush: He sneaked into the Candy Castle every day for two weeks (and one extra day) to watch the candy people sleep.
  • Stealth Pun: Where to begin with this character? His grey outfit is a pun on "earl grey" tea, which is often served with a lemon. His name is a pun on "sourpuss," and is also a play on the expression "lemon," meaning "a product or device that is defective or dysfunctional."
  • Super OCD: He's obsessed with order, symmetry and following certain patterns of behaviour.
  • Sympathy for the Devil: In "You Made Me," Princess Bubblegum finally decides to help him after he tells her that he is lonely and runs away wailing.
  • The Mentally Disturbed: As Lemongrab 1, he was mentally ill and used to be very temperamental. As Lemongrab 3, he continues to have odd quirks, but he is not so Ax-Crazy.
  • Throw the Dog a Bone: The sole reason for Lemongrab 2's existence. The writers felt bad for Lemongrab, so they made him someone with whom he could be his stupid, weird self without being judged. It circles BACK to this trope in "The Mountain", written by the character's original writer who wanted to see him find peace.
  • Took a Level in Badass:
    • Initially he seems to be a loud-mouthed punching bag. However, he also A) built a scream-powered sword, B) built an electrical torture device, C) punched a giant rat in the face without hesitating, when it took his pie, and D) was able to understand and recreate the secret formula for creating candy life to make dozens of children.
    • In "Mystery Dungeon" definitely is one. It is proven to be incredibly strong when he props up the closing ceiling of the dungeon with his own back, with little effort.
    • Played completely straight in "Come Along With Me", where he is willing to help Bubblegum in the war against Gumbald. He was also brave enough to help defeat GOLB.
  • Took a Level in Jerkass: His original self took one in Season 5, becoming much more sadistic and losing many of his sympathetic traits. Fortunately, this is averted once he becomes Lemongrab 3.
  • Took a Level in Kindness: Played completely straight as Lemongrab 3. After being defeated by one of his sons, he is restored and merged with his brother, which allowed him to be much more kind and empathetic than before.
  • Too Many Babies: In "All Your Fault", the earls almost starved to death because they used all of their food to make themselves a family.
  • Tortured Monster: He used to ebb into this territory before he had any kind of family to treat him like something other than a failed experiment. Fortunately, he got a happy ending as Lemongrab 3.
  • Too Dumb to Live: In "All Your Fault", he and his clone along with all of the Lemon court nearly starve to death because he keeps turning all the food into people. They then plan to invade the Candy Kingdom and use all its candy to create an army that can go pillage candy to eat elsewhere... instead of, you know, just using that candy to eat instead of creating an army.
  • Ungrateful Bastard: Pretty much, is a jerk to Peppermint Butler after he releases the guy from the dungeon so he can have food, electrocutes the citizens that Princess Bubblegum gave him in "You Made Me" when they end up insulting him, and demanding that Tree Trunks bake him a pie in "Mystery Dungeon" and continuously calling her "Slave" afterwards (even after he apologizes).
    • He also makes his children repeatedly punch themselves for his own amusement, and when he's unsatisfied with their "performance," he says "Do it better!" before electrocuting them and laughing.
  • Vile Villain, Saccharine Show: Starting with the very fact that his Ax-Crazy behavior is not played for laughs. Notice that many of the episodes involving him such as "All Your Fault", "Another Five More Short Graybles", "Too Old" and "Lemonhope" are serious Nightmare Fuel.
  • Weaksauce Weakness: Harp music. He destroys all the harps in his kingdom for this reason. When Lemonhope returns and plays his harp, Lemongrab explodes.
  • Well-Intentioned Extremist: Almost every bad thing he does as Lemongrab 1 can be justified using his bizarre logic, on the grounds that his intentions were to accomplish something good. Even his total descent into evil dictatorship is justified by him as trying to create perfect order and stability.
  • With Great Power Comes Great Insanity: Averted. No amount of power could possibly make Lemongrab any more of a psychotic idiot than he already is. He was born insane, and while he does get worse, it isn't actually due to having power.
  • Woobie, Destroyer of Worlds: He's an annoying, unstable wreck, but after everything he went though, it's somewhat understandable.
  • Would Hurt a Child: In "You Made Me!" he electrocutes the Pup Gang because they insulted him three times and wouldn't listen to his instructions. Then, as he tried to cuddle a candy baby, he had a panic attack, and started slapping the kid around, before squealing in discomfort and shoving the kid onto the ground. He got worse in "Too Old", since he abused his own children for the slightest reasons.
    • Averted as Lemongrab 3. "The Mountain" shows that he has become quite empathetic with his children.
  • You Are What You Hate: The people who frustrate him the most seem to be obnoxious, rude, petulant children. Hmmm...
    • He also comes to despise his clone and his children, despite having loved them before, once again hinting at deep self-loathing.

    Tree Trunks 
https://static.tvtropes.org/pmwiki/pub/images/tree_trunks_at.png
C'mon boys, I made ya'll some Apple Pie!

A cute little elephant with the personality of a senile old woman. She loves apples and baking apple pie.

Voiced by: Polly Lou Livingston

  • Animals Not to Scale: She's a lot smaller than an elephant should be. "Ring of Fire" reveals that this is because she's from Tiny Mammal Kingdom, where all animals are the same size.
  • Babies Make Everything Better: She seemingly changes her mind about asking Mr. Pig for a divorce when Finn leaves the baby-fied Lich as a Doorstop Baby for them to adopt.
  • Cloudcuckoolander: More due to senility. She occasionally gets names confused, such as Ice King being "Ice Cream" or Earl of Lemongrab as "Lemoncarb".
  • Cool Old Lady: She may be old and slightly senile, but she's still a great friend to Finn and Jake and can still adventure with them at times.
  • Dirty Old Woman: She is implied to have a Porn Stash in her closet—which only she can open—and has a crush on the roughly 13-year-old Finn. In "Apple Wedding", it is insinuated that she is an exhibitionist.
  • Face–Heel Turn: Though it's only temporary in "Crystals Have Power:.
  • Fetish: At the end of "Apple Wedding" it's implied she likes being watched while doing... adult things.
    Tree Trunks: "Looks like we got the whole place to ourselves. If you know what I'm saying"
    Pig: "Wait, don't you think there might be cameras down here?"
    Tree Trunks: "I hope so."
  • Furry Ear Dissonance: Her ears are similar to a real elephant's, but are more shaped like oven mitts.
  • Generation Xerox: Shares a lot in common, including looks, with her mother.
  • God Save Us from the Queen!: As Quartzion the Crystal Queen.
  • Happily Married: To Mr. Pig as of "Apple Wedding".
  • Ink-Suit Actor: Based on her voice actor, Polly Lou Livingston, a sweet old lady whom Pen's been friends with since he was a little kid.
  • Lawful Stupid: In "Apple Thief," she calls the police and tells them to arrest her for allegedly having stolen apples from herself.
  • The Missus and the Ex: Averted, as Mr.Pig never meets any of her ex-husbands at her wedding.
  • Overly Long Name: According to Word of God, her gender-swapped version is named "Tree Trunks with Mustache and Bow Tie (Male)".
  • Really Gets Around: "Ring of Fire" shows that she had a lot of love interests in her youth and that she often left them with little explanation or forethought.
  • Ridiculously Cute Critter: Finn remarks that she's too cute to stay mad at when she kept getting in the way of their quest to find the Crystal Apple for her.
  • Polyamory: Also has an alien husband, and does not see this as conflicting with her marriage to Mr. Pig.
  • Serial Spouse: Has been married four times. Not countering her alien husband.
  • Sickeningly Sweethearts:
    • With Mr. Pig, to the point that everyone in the Candy Kingdom was grossed out.
    • Look for this Chekhov's Gunman's Easter Egg in "Holly Jolly Secrets".
  • Sweet Baker: She's a sweet, motherly little old lady dwarf elephant who loves baking apple pies for her friends.
  • Trademark Favorite Food: Apples.
  • True Neutral: In-Universe-assigned alignment in the comic series.
  • Unexplained Accent: She has an east Texan accent, yet no one else on the show does.
  • Vocal Dissonance: Flashbacks to her youth in "Ring of Fire" reveal that she's sounded like an old lady for much of her life, even when she was fresh out of high school.
  • Yandere: As Quartzion the Crystal Queen with Finn.

    Sweet P (Spoilers) 
https://static.tvtropes.org/pmwiki/pub/images/sweetpadventuretime.png

Sweet Pig-Trunks, often just called Sweet P, is the Lich's reincarnation after he's splashed with Citadel Guardian's healing blood. He's a giant baby with no memories of being the Lich and is being raised by Tree Trunks and Mr. Pig. However, it seems some small fragment of the Lich is still inside him...

Voiced by: Ethan Maher

    Gunter 
https://static.tvtropes.org/pmwiki/pub/images/rsz_4387147853_242fb9bf0f_o_2886.jpg
Click here to see Orgalorg 
Wenk.

The Ice King's favorite penguin and servant. May be the ultimate evil power in Ooo, if Marceline's dad is correct. It has been suggested that the Ice King just calls whatever penguin is closest Gunter. The one pronounced Gune-ter is actually an Eldritch Abomination/space god named Orgalorg that was seeking to absorb the power of the comet but got banished to Earth and transformed into a "cuddlier, less threatening form" due to the gravity of Earth.

Voiced by: Tom Kenny

  • Affably Evil: As Orgalorg, he's quite chatty and friendly while discussing the destruction of whole worlds.
  • Ambiguous Gender: Referred to as "he" In-Universe, but Gunter's gender matter of debate what gender they are. This one has a dream self that takes the form of a bird woman, voiced by a woman. He's voiced by Tom Kenny as Orgalorg, but given the circumstances may be some case of No Biological Sex or Bizarre Alien Sexes.
  • Ambition Is Evil: His attempt to absorb the powers of a Catalyst Comet caused Abe Lincoln and Glob to strike him down.
  • Amnesiac God: His memories as Orgalorg were sealed when he was banished to earth.
  • Amnesiac Dissonance: They still act on their motivations as Orgalorg even though they're not entirely conscious why. After corrupting Princess Bubblegum's dream without any conscious reason causes the Cosmic Owl to break it off they seem upset and they sound wistfully bemused about why they manipulated others so they could go into space. It all goes away when they're actually in space and can return to their true form though.
  • Attack of the 50-Foot Whatever: In the Fionna and Cake universe, Gunter is giant, and serves as Fionna and Cake's mount for obvious reasons. He/she/it also shoots Frickin' Laser Beams.
  • Badass Boast: You can't stop me, I'm Orgalorg!
  • Baleful Polymorph: Revealed to be this in Orgalorg
  • Chekhov's Gunman: :Orgalorg can be briefly seen in the background as one of the Eldritch Abominations during The Lich's Mind Rape sequence in "Gold Stars".
  • Did You Just Punch Out Cthulhu?: Well, slap him to be accurate.
  • The Dreaded: Martin has an Oh, Crap! moment when he sees Orgalorg. The Lich didn't even get Martin's notice but this guy terrifies him.
  • Eldritch Abomination: Revealed to actually be one.
  • Everything's Better with Penguins: Well, he is an actual penguin. Not really, though.
    • Horrifically inverted during "Reign of Gunters."
  • Evil Is Petty: In "Reign of Gunters," he's given the power to summon a powerful army to attack all of Ooo. What does he use this power for? To smash bottles. This turns out to be a primal instinct from when he was Orgalorg, where he used to smash planets!
  • Eviler Than Thou: Marceline's dad said so. He was truly right.
  • Foreshadowing: Marceline's dad actually said in the earlier episodes that Gunter was the most evil thing in the galaxy. He's right.
  • Gasshole: Double Subverted; accused by Ice King of this, when the source of the stench turns out to be his own armpits; later on, it turns out that Gunter farts when being held by the Ice King.
  • Gender-Blender Name: Maybe, given his Ambiguous Gender status and all.
  • Happily Married: In the future, to Turtle Princess after becoming the Ice Thing.
  • Immortality: He's actually a space god older than the universe. When he was crashed to Earth and turned into a penguin he spent countless millennia Walking the Earth and he's been with the Ice King for at least a century.
  • Killer Rabbit: When Marceline's dad attempts to steal his soul, he promptly slaps him.
    • In the finale, when he and Ice King are introduced as part of Gumbalds Legion of Doom Ice King acts like a Cloud Cuckoo Lander and doesn't seem to understand what he signed up for, Gunther on the other hand pulls out a sharp sounding dagger.
  • Legacy Character: In the finale they get the Crown of Evergreen and fuse with it after Simon is cured by Betty and wish themselves into being the Ice Thing.
  • Meaningful Name: "Gunter" means "warrior" or "battler."
  • The Mind Is a Plaything of the Body: Unless their brain is exposed and expanded they don't have any conscious recollection of who they were though they still seize opportunities to further their goals. Otherwise they're just an exceptionally mischievous penguin.]
  • Omnicidal Maniac: All Orgalorg cares about is power; nothing else matters.
    Orgalorg: It's all yours if you're willing to take it. Destroy worlds, crush anyone blocking the door, feel their bones crumple and their goo spill out.
  • One Steve Limit: Played with. As stated above, it's possible Ice King's physically-nearest penguin is Gunter by default; yet in "Princess Monster Wife," he calls on over half a dozen penguins, each with a different (though only slightly) name. The name Gunter seems to be connected to the Ice King's crown, since in "Simon and Marcy" Simon also calls Marceline Gunter when he's under the crown's control. It is eventually revealed in "Evergreen" that Gunther was the name of the abused dinosaurian assistant to the crown's creator that desired to be an ice mage like his master, so much that he became a distortion of Evergreen, chanting "Gunther no!" while randomly shooting around his newly-gained ice powers.
  • One-Winged Angel: He transforms into a massive octopus/jellyfish-like monster so he can envelop the comet.
    • One thousand years in the future after living as the Ice King for centuries, being permanently fused with the Crown of Evergreen mutates them further, from the Ice King into an avian monster called the Ice Thing.
  • Pronoun Trouble: Ice King regularly switches which pronouns he refers to them with and more than that he just calls the nearest penguin Gunther or some variation of it. It's not a matter of whether Gunther is male or female but which Gunther being referred to is male or female.
  • Really 700 Years Old: Gunter turns out to be Sealed Evil in a Teddy Bear, and his/her true form is a monster older than all of reality.
  • Sealed Evil in a Teddy Bear: "Orgalorg" reveals that Gunter is actually an Eldritch Abomination older than time and defeated by Glob thousands of years of ago, crash-landing on Earth where he became a penguin.
  • Sorting Algorithm of Evil: Orgalorg is feared in the present day as an immortal planet-destroying god-monster. But as shown by the Lich's vision of the time before time, he was but one hideous monster in an endless eternity of them. And Orgalorg was one of the smallest ones.
  • Spell My Name with an "S": Sometimes Ice King says Gunther instead of Gunter. This fits with Ice King's scatterbrained nature.
  • Villainous Friendship: He is the best friend of Ice King. After Flame Princess destroys the Ice kingdom, the Ice King puts him in charge of rebuilding and let's him use his crown. This ends about as well as you expect.
  • Walking Spoiler: His existence isn't a spoiler, but his real identity as Orgalorg makes him this.
  • Your Tomcat Is Pregnant: Is revealed to be so at one point. With a pink cat-thing, no less. Whether this means Gunther is really male or female is left unanswered.
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    King Man/Normal Man/Magic Man 
https://static.tvtropes.org/pmwiki/pub/images/kingman_adventuretime.png
Click here to see him as Normal Man 
Click here to see him as Magic Man. 
Voiced by: Tom Kenny

A mysterious alien from Mars. He was exiled after performing many magical pranks on the Martian people, in the hopes that he would learn how to care for others again, but instead spent two hundred years bumming around Earth being a jerk to everyone in Ooo. Fortunately, he changes his ways after Betty steals his magic powers, and spends the rest of the show ruling wisely to atone for his crimes against Mars.


  • Ax-Crazy: As Magic Man, he was sadistic and deranged.
  • Bright Is Not Good: As Magic Man. Especially when shedding his hobo outfit. Averted after his Heel–Face Turn
  • Brought Down to Normal: As of "You Forgot Your Floaties".
  • Card-Carrying Villain: The guy REALLY likes to let people know he's an incredible jerk, AND PROUD OF IT!
  • For the Evulz: Seems to be his M.O. His entire reason for making everyone miserable, even the people who pay him kindness, is to teach them that he is an incredible jerk.
  • Freudian Excuse: In "Sons of Mars" it is shown that he used to be a decent guy with a loving wife named Margles until GOLB "took her away", presumably killing her. As shown in "You Forgot Your Floaties", Magic Man created a new "defense system" named M.A.R.G.L.E.S. in the image of his wife, which failed and ended up falling into Olympus Mons, which is what is seen in the "Sons of Mars" production artwork. Doubles as Love Makes You Evil And Crazy.
  • Glass Cannon: He IS very powerful, but the two times Finn and company have actually got their hands on him, it's shown he can't really take a punch as well as the other characters or recover as fast.
  • The Good King: Became this by the end of "Normal Man".
  • The Heavy: Aside from turning Finn into a foot and letting Jake be the scapegoat in his execution that resulted in the death of Abe Lincoln; his actions in "All The Little People" inadvertently caused Finn's selfishness to rise to the surface and resulted in his breakup with Flame Princess, Ice King's home destroyed and Lemongrab's last remnant of sanity slipping due to a prank due to Jerkass Ball. The last straw was eating Jake's sandwich and he gets punished for that.
  • Heel–Face Turn: After losing his magic powers, he decides to atone for all the bad things he did.
  • Hidden Depths: "Sons of Mars" hints that there's a lot more to his character than he lets on.
  • Jerkass: Everyone thinks he's a jerk, and he even admits it. When he loses his magic powers, though, he loses his jerkassery as well.
  • Karma Houdini: "I win again, just like always!"
    • Averted in "Time Sandwich" when he finally gets what's coming to him when he messes with Jake.
    • Also averted once he becomes Normal Man. Because of his actions in literally every prior appearance, Finn and Jake knock him out with a frying pan on sight. Unfortunately, this time, he actually needed their help.
  • Lack of Empathy: He was banished from Mars to Earth until he could learn how to feel for others again. The only problem is he spent the whole time being a jerk to the people of Ooo.
  • Large Ham: "MAGIC MAAAAAAN"
  • Laser-Guided Karma: The first thing Finn and Jake do after returning to Earth from Mars is knock Magic Man unconscious with a single punch.
    • He's also on the end of one hell of a beatdown at the end of "Time Sandwich". First, Jake gets his sandwich back, then Marceline elbows him in the face and then BMO runs him over with his skateboard.
  • Laughably Evil: Despite being a sadistic psycho, he's very hammy and likes to sing.
  • Meaningful Rename: Calls himself Normal Man after being Brought Down to Normal. He later renames himself King Man after becoming Mars's new king.
  • Morality Chain: His dead wife is heavily implied to have been this for him.
  • Non-Answer: This gem.
    Finn: So, how long have you had this house for?
    Magic Man: Yes, that is true!
  • Oh, Crap!: When Jake figures out his riddle, his eyes widen for the first time in the series.
  • Reality Warper: Had this ability up until "You Forgot Your Floaties."
  • Sadist: As Magic Man, he really enjoys torturing other beings.
  • Sarcasm Mode: Except not always. In "Normal Man" he's shown to be sincere, not that Tiny Manticore buys it.
    Tiny Manticore: Why do you sound so insincere?
    Normal Man: That's just my voice.
  • Stepford Smiler: Until "You Forgot Your Foaties", Magic Man was implied to have deep-seated depression over Margle's death, though he masked it with child-like jerkassery.
  • Straw Nihilist: Up until his Heel–Face Turn, Magic Man accused the heroes (rightfully) that they act like heroes so that they could get what they want, and that still wasn't his lesson.
  • Taking Up the Mantle: While his character and reconciliation as Normal Man is already unexpected, at the near end of the Elements mini-series, has him in possession of Abraham Lincoln's hat and his older brother's staff. Both strongly implying that he worked up his way of atonement to become the new ruler of Mars.
  • Took a Level in Kindness: After losing his magic and regaining his sanity, he became much more empathetic and now rules Mars as a benevolent king. He even reunites Jake with Finn and attempts to help Betty with her issues in "Temple of Mars".
  • The Trickster: He teaches people the ever important life lesson that he's a jerk, a lesson the whole family can agree on. No, really.
  • Troll: He really enjoys pissing "sissy do gooders" off.
  • Woobie, Destroyer of Worlds: He has a very tragic reason for his psychotic behavior. See Freudian Excuse for more details.

    Peppermint Butler 
https://static.tvtropes.org/pmwiki/pub/images/Peppermint_Butler_2076.PNG
I'd like your flesh.

Princess Bubblegum's loyal servant. Best friends with Death. Will probably eat your flesh while you are sleeping.

Voiced by: Steve Little

  • Adorkable: Is positively giddy over the chance to meet the Vampire King, and agonizes over how to ask VK for his autograph.
  • Almighty Janitor: A simple butler, yet dropping his name will get you an immediate favor from Death itself.
  • Ambiguously Evil: In addition to his association with Death, a Freeze-Frame Bonus in "Return to the Nightosphere" shows a picture of him playing golf with Marceline's Dad.
    • In "You Made Me" Peppermint Butler suddenly becomes very nervous when Finn suggests using PB's Aura Visualizer to view his aura.
      Finn: I want to see Peppermint Butler's aura!
      Peppermint Butler: *laughs nervously* You don't want to see that.
    • In The Suitor he technically drops the Ambiguousness by blatantly summoning a demon to gain power and is refered to as Dark One by a Gumball Guardian. However, the Gumball Guardians don't react to that (instead one of them simply interupts him due to PB being in the lab for weeks) and he is not seen doing anything particularly evil with that power, so it might be "in name only".
    • As of "Nemesis", it's no longer ambiguous. He IS evil.
      • Affably Evil: Despite confirmed being evil, he does still stay by Princess Bubblegum's side and is on mutual good terms with Finn and Jake.
  • The Bad Guy Wins: In "Nemesis", he defeats Peacemaster by threatening his kids and making him do embarrassing acts, thus keeping his dark secret intact.
  • Battle Butler: He can handle himself pretty well in a fight.
  • Even Evil Has Standards: When he makes Peacemaster eat mud, he becomes regretful and admits he went too far there.
  • Evil-Detecting Dog: Okay, so he's not an animal, but the trope is in effect when he sees the Lich possessed Princess Bubblegum, gets down on all fours and starts hissing at her like a cat.
  • Foil: Dark Magical Dude to PB's Straw Vulcan Mad Scientist, to the point he has to pretend the crystals in his "Poison Room" are scientific not mystical.
  • Heroic Comedic Sociopath: Assuming he's not evil.
  • The Jeeves: One of the more devious examples.
  • Nightmare Fuel Station Attendant: A happy, cheerful servant of Princess Bubblegum that happens to be on a friendly basis with both Death and the Lord of Evil.
  • Psycho Sidekick: He genuinely seems to have Princess Bubblegum's interests at heart, regardless of his own morality. Best shown in "The Nemesis", when he deals with one of her enemies by taking his children hostage without letting Bubblegum in on it. Some of the comics, in particular, reveal that Bubblegum knows pretty well what he's capable of and uses him to sort out problems that Finn is too nice to deal with. That being said she was not happy when she learn Peppermint Butler created alot of weapons just to kill Marceline if she turned evil.
    • Nonetheless he's absolutely thrilled to get the Vampire King's autograph.
  • Really 700 Years Old: "The Vault" revealed that he is as old as the Gumball Guardians, being born during the early days of the candy kingdom centuries ago.]
  • Significant Monogram: Maybe. "PB" is the same as Princess Bubblegum. Or Phlannel Boxingday.
  • Token Evil Teammate: Especially during the 'Stakes' saga, in which he's a big help in defeating the members of the vampire court when he would clearly rather be Admiring the Abomination.
  • Undying Loyalty: Remains with PB even after King of Ooo usurps her, and during the 'Stakes' saga he's willing to use himself as bait to keep the Hierophant from going near PB (though it doesn't work).
  • Would Hit a Girl: Slaps Princess Bubblegum at the end of The Suitor.
  • Would Hurt a Child: In Nemesis, he stops Peace Master by threatening to turn his kids into monsters. Subverted because although he does follow through on his threats, the kids don't seem to mind their new forms.

    Cinnamon Bun 
https://static.tvtropes.org/pmwiki/pub/images/Cinnamon_Bun_4232.PNG
https://static.tvtropes.org/pmwiki/pub/images/201899_21934577.jpg
Cinnamon Bun as the Flame Knight
Okay. I'm gonna do it. Okay okay okay. Everyone watch! I'm gonna do a flip!

One of the many inhabitants of the Candy Kingdom. Half-baked. Has a tendency to fall down. He eventually becomes more competent, even proving to be a more capable warrior than Finn, in "Red Throne." He is now Fire Princess' self proclaimed "Knight and Champion."


  • Achievements in Ignorance: Is the only person besides the Princess herself not to be knocked out by Princess Bubblegum's new knockout gas, which requires sheer willpower to resist, without even trying.
  • Beyond the Impossible: He taught a Firewolf to fly. Somehow.
  • The Champion: As of "The Red Throne," to Flame Princess.
  • Character Development: His appearance in "Red Throne" shows that he's changed from a dimwitted man-child to a competent and capable warrior.
    • This happens when a flame kingdom inhabitant tries to burn him, only for the flame shield to protect him. So instead of being burnt, he becomes fully baked.
  • Demonic Possession: Happens to him in "The Suitor," in which Peppermint Butler summons a demon named Ogdoad and offers Cinnamon Bun as a willing vessel.
  • The Ditz: In Jake's words, he's Half-Baked. He becomes more focused in "Red Throne".
  • Dumbass No More: He becomes much more intelligent after he becomes fully baked in "Red Throne".
  • Early Installment Weirdness: His initial appearance included a higher, less simpleton sounding voice. And bulging green eyes.
  • Establishing Character Moment: In his first appearance, during the Candy party in "The Enchiridion," Cinnamon Bun tries to flip, but instead falls backwards, causing the tower Princess Bubblegum is in to crack and nearly kill the princess. It's all downhill from there. And reverses direction as of "Red Throne".
  • Glass Cannon: Has considerable strength, but in his own words he's "Soft" and and can be easily broken.
  • The Klutz: His lack or coordination nearly gets Princess Bubblegum killed in "The Enchiridion".
  • Literal Metaphor: He's often described as being "Half-baked", meaning foolish. It takes having fire thrown in his face to fully bake him, making him more intelligent.
  • Manchild: Best displayed in the third Five Short Graybles where he goes ballistic when Princess Bubblegum takes away his night light.
  • The Millstone: The amount of times things go wrong because of him is immense.
  • Nice Guy: Despite his lack of intelligence, or common sense for that matter, Cinnamon Bun is a genuinely nice guy.
  • Nightmare Face: When possessed by Ogdoad.
  • Number Two: In spite of his limitations, PB uses him for routine tasks in the Candy Kingdom.
    • To Peppermint Butler in The Candy Capers comic.
    • He later becomes this to Flame Princess after they take control of the Fire Kingdom.
  • Odd Friendship: With Flame Princess. Though he reveals that he loves FP in "Red Throne," and she definitely likes him back, to what degree is still debatable.]
  • Patient Zero: For the second outbreak of the Candy Zombie plague in "From Bad To Worse".
  • Took a Level in Badass: In "Red Throne," he's become much more competent and capable than he ever was.
  • Voodoo Shark: Played for laughs when Finn and Jake show surprise over how a firewolf could fly. His only response was "yeah, I taught him."

    Huntress Wizard 
https://static.tvtropes.org/pmwiki/pub/images/huntress1.png
"I uh... I worry that hard meat don't get eat"
Voiced by: Maria Bamford ("Reign of Gunters"), Jenny Slate ("From Flute Spell and onwards"), Olivia Olson (in Finn and Jake Investigations)

A female warrior wizard who starts out living in Wizard City, but abandons it for a secluded life in nature.


  • Action Girl: Of course. Why else would she have such a name? In her first appearance, she's facing off against other wizards in combat, and her first appearance as a real cast member has her helping Finn subdue a rampaging boar. Her Improbable Aiming Skills with energy arrows prove she's spent a lot of time practicing.
  • Ambiguously Bi: In "Wizard Battle" she is the only female wizard not turned off by the fact that the prize was kissing Princess Bubblegum (although Word of God stated that she probably stayed for the challenge alone).
  • Animal Motif: An elk. She rides one, wears antlers, lives in the woods, and is stoic and dignified.
    • Once she starts dating Finn, she gives him an elk's heart, saying it has deep significance.
  • Archer Archetype: She can shoot arrows without a bow, likely due to magic.
  • Ascended Extra: From a background character with little personality to a fully fleshed character with focus on her own episode, a recurring character during the final season and Finn's third Love Interest.
    • She became a playable character in Adventure Time Run, an Endless Running Game where most of the roster is composed of the main characters, some secondary characters (Lemongrab and FP) and the Gender Flip characters. Not bad for a minor character.
  • Commitment Issues: Is afraid to fall in love because she fears showing vulnerability to another person will diminish her status as a Badass. Seems to have gotten over it as of "The Wild Hunt".
    Huntress Wizard (to Finn): You're an exceptional beast and you have great hair. But exceptional beings like us can't fall in love.
  • Druid: She used to be one before getting involved in magic. She still has the power to shapeshift into a hawk.
  • Elegant Classical Musician: A controlled and calm person whose romance with Finn starts with a flute duet.
  • Forest Ranger
  • Friends with Benefits: A G-rated variation: her relationship with Finn is more on the casual/mutual side since both of them are afraid of entering a normal relationship and ruining everything in the progress.
  • Green Thumb: She has leaf-like hair and can even transform into things like trees.
  • Inconvenient Attraction: Considered her attraction to Finn to be one seeing as she didn't want to be vulnerable with others. Changes as of "The Wild Hunt".
  • Involuntary Shapeshifting: She turns into a log when she sleeps. It's unclear if she does this deliberately, or is even aware that she does it.
  • Kick Chick: Routinely kicks monsters in the face.
  • Maybe Ever After: Her relationship with Finn is left open-ended after the finale, especially after "The Wild Hunt" and "Seventeen" established a relationship between the two.
  • Mind over Matter: Rather then carrying a bow, she controls her arrows via telekinesis.
  • Nature Hero: Fights to protect the forest ecosystem.
  • Not Distracted by the Sexy: She's very good at maintaining direct eye contact with Finn... when he's bathing. She specifically mentions his (then exposed) hair as something she likes about him later though.
  • Not So Above It All: In "Wheels" she appears in the background when Finn starts playing his flute, watching him from the bushes. "Exceptional beasts can't fall in love," yeah, right...
    • Gives Finn an elk's heart on his birthday. The fact that she attended a party in the city at all also counts.
  • Official Couple: With Finn.
  • Out of Focus: In the Grand Finale. She has a few important scenes—taking out a Gumbaldian spy, surveilling the battlefield, caring for Fern during the final battle—but no lines.
  • Power Born of Madness: Presumably, since Betty's research confirmed magic was born of madness and sadness and Huntress Wizard was explicitly one of her test subjects. However, neither of these things seem to affect her much.
  • Promoted to Love Interest: From a minor background character to Finn's third and final Love Interest.
  • The Stoic: Deliberately acts as stoic as much as possible, because as she says, hard meat don't get eat.
  • Visual Pun: She literally sleeps like a log and gives Finn an elk's heart on his birthday, saying it had "deep significance".

    The Snail 
https://static.tvtropes.org/pmwiki/pub/images/snail_at.png
Voiced by: Pendleton Ward

A snail who can be seen waving at the audience in every episode. His only notable role in any episode was being mind-controlled by the Lich into releasing it.


  • Demonic Possession: He spends two whole seasons being possessed by The Lich. He was finally released when The Lich chose to Body Surf into Billy.
  • Demoted to Extra: He was always just an extra in the series, but as soon as he releases the Lich in season 4, his importance in the plot completely evaporates.
  • Evil Sounds Deep: At the end of "In Your Footsteps" the possessed snails speaks in a deep voice.
  • Freeze-Frame Bonus: Once an Episode, he can be seen in the background waving.
  • Nice Job Breaking It, Hero!: Releasing the Lich.
  • Once an Episode: Because of this, he's actually appeared in more episodes than Princess Bubblegum, Ice King, or even Finn.
  • O.O.C. Is Serious Business: He usually waves in every episode to the viewer, regardless of being possessed or not. When he shows up in "Gumbaldia", he simply watches Bubblegum screams in anger at Gumbald before declaring war against him and his city, showing that things will get serious during the finale.
  • Orwellian Retcon: He was not originally in two episodes: "Trouble in Lumpy Space" and "Blood Under the Skin". But then he was later added in to both episodes before reruns aired.
  • Unwitting Instigator of Doom: Was the reason the Lich was able to escape in the first place; he happened to hitch a ride in Finn's backpack when Finn and Jake were taken by Princess Bubblegum to the tree where the Lich was imprisoned. As soon as he crawled out, the snail was then possessed by the Lich into shattering the prison of amber and freeing him.
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    Shelby 
https://static.tvtropes.org/pmwiki/pub/images/s_viola_3904.png

Shelby is a talking worm who lives in Jake's viola.

Voiced by: Pendleton Ward

  • Accidental Misnaming: He objects to being called "Shelby the worm who lives in Jake's viola".
    Shelby: You can just call me Shelby.
  • Creator Cameo: Yup.
  • Deadpan Snarker
    Finn: Who in this world is sadder than the Ice King?
    Shelby: Me, watching this.
  • Jerk with a Heart of Gold: Shelby is insulting, willing to manipulate others to avoid having to do work and once screwed over Finn and Jake to get his girlfriend a pony. But he's not a bad person by any means.
  • Talking Animal: He's a talking worm.

    NEPTR 
https://static.tvtropes.org/pmwiki/pub/images/neptr_6492.png
NEPTR (or Never Ending Pie Throwing Robot), pronounced "Nepter", is a robot that throws never ending pies. Created by Finn to get back at Jake for being pranked.

Voiced by: Andy Milonakis

  • Ascended Extra: He went from a one-off character in "What is Life", to a recurring companion for BMO from "Hot to the Touch" and onwards.
  • The Bus Came Back: In "Hot To the Touch."
  • Butt-Monkey: Other than Finn, he doesn't seem to be liked by many. After "What is Life?", the Ice King, who Neptr thinks of as "pappi", rejects him and mistakes him for BMO. BMO himself, Finn and Jake's other household robot, blew him off when he offered to hand, hinting that BMO in fact views him as inferior.
  • Determinator: Spent over 15 months playing a game of hide and seek which Finn and Jake forgot about.
  • For the Lulz: Learned the joys of pranking when he threw a pie at the Ice King.
  • Fun with Acronyms: As stated above, his name stands for Never Ending Pie Throwing Robot.
  • Hide and No Seek: Apparently the reason for his long absence; Finn and Jake forgot that they were supposed to be looking for him.
  • Gadgeteer Genius: Managed to create two sets of armor to protect Finn and Jake from Flame Princess.
  • Lethal Chef: NEPTR can make poison pies.
  • Like a Son to Me: Both Finn and the Ice King describe him this way, though both tend to forget his existence for long stretches of time.
  • Magitek: Made from household junk and powered by the Ice King's frozen lightning. Fans theorize that this also explains how he can apparently generate pies from nothing.
  • The Pollyanna: Despite the way that everyone ignores or abuses him, he's almost unfailingly polite and cheerful, and usually tries to help people out.
  • Robot Buddy: Well, he has the personality for it, but he's more a pariah than a buddy.
    NEPTR: Hey BMO, we should hang out more. We're both robots.
    BMO: No, NEPTR. I am not like you.
  • The Unfavorite: It's pretty obvious which robot "child" Finn and Jake care about more. Shown most explicitly in "Don't Look," when Finn uncontrollably turns people into how he subconsciously sees them. BMO becomes a cute child with angel wings; NEPTR becomes a normal, non-speaking microwave. (But at least Finn feels bad realizing that he thinks of him as an inanimate object?)
  • "Well Done, Son!" Guy: To The Ice King for much of "Mystery Dungeon".

    Billy 
https://static.tvtropes.org/pmwiki/pub/images/billy_old_9082.png
Click here to see his younger self 

A legendary hero and Finn and Jake's idol. He battled hundreds of famous villains, such as the Lich and the Fire Count (also a bear), but eventually believed that it was a waste of time, as new villains would rise up. He later took up a philosophy of nonviolent community activism, but returned to the hero fold after Finn convinced him that saving lives was worth it.

Voiced by: Lou Ferrigno

  • Ascended to a Higher Plane of Existence: After Finn completes Billy's bucket list, Billy manifests in the stars and thanks Finn for allowing him to rest in peace.
  • Actual Pacifist: In "His Hero", Billy claim to be this because he thinks using violence against evil is pointless and this is because more evil pops up.
  • Arch-Enemy: The Lich, it seems, as well as the Fire Count, who was to Billy what the Ice King is to Finn.
  • Badass Beard: Sports a pretty impressive beard.
  • Bald of Awesome: Is hairless as Old Billy.
  • Battle Couple: Was in one with Canyon.
  • Broken Ace: Poor Billy, time has not done him well.
  • Cool Sword: "Nothung!"
  • Demonic Possession: Courtesy of the Lich King himself in "The Lich".
  • Dented Iron: How time affected he poor guy.
  • Did You Just Punch Out Cthulhu?: Among the great nemeses he's defeated include an Evil Ocean, The Lich, and a bear.
  • Handicapped Badass: The "Beginning of the End" comic has a time-echo of Billy reveal that his heroism had rendered him largely deaf, which he got past by reading lips.
  • Heroic Build: Had this build in his youth.
  • Hero of Another Story: Billy used to kick all sorts of butt until he retired. Finn and Jake convince him to get back in the game.
  • Jade-Colored Glasses: Sees fighting evil as a pointless endeavor; there's just too much evil that keeps coming up. Finn and Jake pull them off with the help of a happy old lady they saved from evil.
  • Killed Off for Real: As of the Season 4 finale he was eaten by the Lich and at the end of the next season he is "at peace".
  • Large Ham: BILLY!!!!
  • May–December Romance: He was in a relationship with the much younger-looking Canyon a few years before his appearance in the series. Although in flashbacks to when he was younger, Canyon looks exactly the same as she does in the present. Maybe she just doesn't age?
  • Memetic Badass: In-Universe, and with good reason. He can punch out Flame King, an evil ocean and even The Lich!note 
  • Nice Job Breaking It, Hero!: He told Finn that his human father was alive in the Citadel. This resulted in Prismo being killed, Finn losing an arm (and realizing his dad is a massive jerk), and a bunch of cosmic criminals set free.
  • Non-Standard Character Design: Has six fingers on each hand. He's also really big. (Justified in that he's a half-giant)
  • Our Giants Are Bigger: He may be a half-giant. What the other half might be is anyone's guess...
  • Power Fist: The Legendary Gauntlet of the Hero, which Billy used to punch out the Lich.
  • Rebuilt Pedestal: Finn and Jake manage to help him back onto his feet.
  • Restored My Faith in Humanity: How Finn managed to convince him to come out of retirement.
  • Retired Badass: Throws in the heroism towel after noticing that no matter how many times evil was defeated, they'd eventually come back for more. He hasn't lost his touch.
  • The Southpaw: He's usually seen using his left hand for things.
  • Walking Shirtless Scene: He's never seen wearing a shirt either as a youth or an old man.
  • The World Is Always Doomed: He gave up heroing because there was always more evil threatening the world and by the time he saved one person someone else would attack them.

    Martin Mertens 
https://static.tvtropes.org/pmwiki/pub/images/rsz_otx3hnlkbvpjud4zsk4x_6098.jpg

Finn's father, trapped on the Citadel for unexplained reasons. He's freed during "Escape from the Citadel".

Voiced by: Stephen Root

  • Alliterative Name: Martin Mertens.
  • Archnemesis Dad: He's the first person that Finn wanted Revenge against and got away with it. In result, Finn's hatred for him burns so deep that Finn can easily sing a sweet, calming lullaby about ripping Martin's arm off without batting an eye. Eventually, though, Finn let go of the hatred toward his dad and is fairly neutral if not exasperated or confused by him.
  • Ascended to a Higher Plane of Existence: Takes up the Catalyst Comet's offer to transform him into a "new mode of existence."
  • Believing Their Own Lies: Martin seems to genuinely think himself a great person, once claiming a run of luck was "the Globs rewarding me for my heroism" when there was no one else around for him to deceive.
  • Beware the Silly Ones: Implied. He's incredibly cheery in his one appearance, and seems incredibly affable, and might even be likable if not for his actions during said first appearance... until you consider that he's in a cosmic prison full of incredible monsters up to and including The Lich, and a group of said monsters instantly accept him as their leader with no argument. And of those criminals, he was the only one not to be placed under the Lich's control. Whatever he is or however he got there, there's definitely more to him than it seems.
  • Broken Pedestal: The apple falls far from the tree, to say the least.
  • Con Man: He's been on his entire life and it shows.
  • Consummate Liar: He lies constantly without breaking a sweat.
  • Crouching Moron, Hidden Badass: He may be a Dirty Coward and Manchild, but he's just as agile and good at fighting as his son.
  • Daddy Had a Good Reason for Abandoning You: Played with. Back then in the Island, Martin didn't intentionally abandon Finn; he took Finn with him while running from people out for blood, planned to escape by circling around the Island in a boat, and was separated after they ran into the Colossus, with Martin still trying to stay with Finn despite FIGHTING the Colossus, and only finally relenting when his only option became fleeing. Still, the situation was caused by Martin's own actions coming back to haunt him.
  • Dark and Troubled Past: Implies this in "The Comet" when Finn calls him on his abandonment tendencies, saying that he keeps leaving because he has nothing to return for.
  • Dirty Coward: His first instinct is always to save his own (worthless) skin, and only his.
  • Disappeared Dad: He abandoned Finn when he was a baby. In the Citadel he refuses to give him any real explanation, then abandons him again. He seems to be actively avoiding him for some reason. Turns out Islands clarifies that said abandonment occurred in his attempt to save Finn.
  • Dissonant Serenity: Has a rather cheery disposition despite apparently being one of the most dangerous criminals in the universe. He talks in a very casual tone as he is being pursued by the prison guards at the Citadel, shows the barest minimum of pain at a serious injury dealt to his leg, walks up to bad guys (and becomes their new leader) and exchanges pleasantries with them like it was nothing, and gives two notable winks that disarm the people they're aimed at and get them to follow his orders.
  • Even Evil Has Loved Ones: Averted or at best Played with. While Martin isn't entirely without affection for his son, Finn, as shown by how the resemblance causes him to warm up to Martin 2, he is only willing to help him when it is convenient for himself. Also, see In Love with the Mark.
  • Faux Affably Evil: Despite his cheery disposition, his true motivations are unknown, he's apparently a cosmic criminal, and he'll screw over someone who just helped him out without a second thought.
  • The Fog of Ages: Martin has memory issues, which he puts down to his incarceration in the Citadel as he had no way of keeping track of time so his recollections are skewed.
    • Oh dear god, in Islands it's implied that most of Martin's negative traits in the present are due to a head injury he received saving Finn. In the human colony on the islands he was always a shiftless con man, but he never actually killed anyone. We see him falling in love with Finn's mom Minerva, a doctor, and they genuinely seemed to have a loving relationship in the first months of Finn's life. He apparently fell In Love with the Mark, and seems to have been genuinely interested in raising Finn with her. Then he had to bail when enemies from his shifty past caught up with him, and while escaping on a raft the islands' robo-guardian attacked. He bravely left the raft to fend it off while explicitly promising Finn he'd come back for him, but the resulting explosion knocked him into the sea. 15 odd years later, Martin can't even remember any of his former life very clearly. It's Simon Petrikov/Ice King all over again.
  • Foil: He and Finn are opposite in personality and even wardrobe. They also have differing philosophies as of the season six finale. Finn grows to believe everything has a purpose while Martin sees the universe as having no purpose (it's unknown if this leans more toward Straw Nihilist or Anti-Nihilist, but given his cheery state and his neutral stance, most likely the latter. See Hidden Depths below for more details.) Flashbacks in the Islands miniseries furthers demonstrate their differences. Finn has his moments of selfishness while ultimately remaining a good person, while Martin demonstrates moments of heroism before relapsing into his typical It's All About Me behavior.
  • Hate Sink: Those who were expecting Finn's dad to be a cool guy will be disappointed. And unlike some of the show's other most despicable people, Martin doesn't even fall into Evil Is Cool as much as he's just a fantastical version of the self-absorbed deadbeat dad.
    • Subverted in "Islands Part 5" where he's more of a Lovable Rogue instead of the deadbeat jerkass we know, and it shows that he genuinely cared about Finn when he was an infant, going as far as to attacking the Colossus to protect Finn.
    Martin: I'll be back for ya.
  • Heel–Face Door-Slam: Martin seemed on his way to becoming a better person during his time with Minerva, even making an honest living as a barber, but after getting separated from Founder's Island and suffering a head injury, he seemed to go back to his old, dishonest ways.
  • Hidden Depths: While it's not Jerk with a Heart of Gold levels, there is some part of Martin that does genuinely care about people, hence him saving Finn's life in "The Comet". He also was willing to sacrifice himself to offer Martin 2 a chance to escape, but when that didn't go as planned, was content to leave Martin 2 to his fate. He also admits to Finn that thinking about Minerva stresses him out, implying that deep down he feels remorse for abandoning his wife and son.
  • In Love with the Mark: Possibly. It's left to audience interpretation whether Martin fell in love with Minerva or was using her and Finn for free meals and a bed to sleep on.
    • The name of the small ship he has is "The Minnie," indicating she at least held a place in his thoughts.
  • Jerkass: He cares only for himself and his own immediate benefit, and doesn't even evince much awareness that he could be expected to care about his son or the other people he manipulates.
  • Jerk with a Heart of Jerk: Every time it seems he might be revealing a positive side to himself, it turns out to be some lie or trick to further benefit himself. He really is that much of a selfish asshole. Though later on, it's implied that he simply Took a Level in Jerkass when his bad memory made him forget that he wasn't always like this.
  • Karma Houdini: After all he did, he gets to ascend to another mode of existence along with the Catalyst Comet. Though it's later implied to be an unintentional redemption as the kind of person he used to be.
  • Lack of Empathy: In "The Visitor", Martin tricks a village of tiny people into helping him (they actually aren't fooled and are just doing him a favor), nonchalantly talking about how taking advantages of them is driving them to starvation.
  • Manchild: Finn thinks of him as a child stuck in an adult's body.
  • Manipulative Bastard: In his first appearance alone, he cons Finn into helping him escape The Citadel without answering any of his questions. He outright tells Minerva that he'd try to look pathetic to get her to save him and may or may not have used that exact trick on her just a few minutes later.
  • Major Injury Underreaction: Martin gets the skin on his right leg sheered off by a laser, all the way down to the bone. Sure enough, he treats it like an injury that needs to be dealt with, but he shows the barest minimum reaction to it; at best saying "this really stings", rather than screaming bloody murder at how painful it is like most people would. Even taking into account the Guardian Blood, that he gets Finn to apply to his wounded leg, restoring the flesh to his bone, Martin's casual reaction to the wound is rather astounding.
  • Mysterious Past: Very. For starters, as one of the last (pure bred, as many of the current inhabitants are implied to be the mutated descendants of humans) humans on Earth what group of survivors did he come from? Is that group still around? What kind of life did he lead prior to having Finn? Who was the mother of Finn and how did he meet her? Was he missing because he was sealed away, or did he abandon him before that? Is he truly a cosmic criminal or was it some kind of frameup or misunderstanding? How exactly did Billy know that Martin was Finn's dad? And how did he know that Martin was imprisoned on the Citadel? Half of these are answered with the Islands mini-series.
  • Never My Fault: When Finn finally asks why he was left in the forest, Martin gets incredibly defensive and suggests that "maybe you abandoned me, did you ever think of that?!" — Finn was a toddler, and this seems to prove to him that Martin might not be such a good guy after all.
    • Technically, it really wasn't his fault, he's just obviously wrong about Finn being the one to abandon him. Apparently, his original plan was to come back for him until he suffered from his later memory problems.
  • Screw This, I'm Outta Here!: The moment he sees the Lich at the Citadel, he bails before things get real.
  • The Sociopath: Martin shows some extremely sociopathic behavior: he has a false charm which his actions constantly betray. He lies, manipulates, and otherwise uses people to his own benefit without any concern or empathy toward them, and cares about only himself and nobody else. Through it all he still tries to justify his actions with the most blatantly trivial excuses.
  • Ungrateful Bastard: He uses Finn to heal his leg and then completely ditches him for the Citadel inmates.
  • Unreliable Expositor: What little details he's given about how he got separated from Finn should be taken with a grain of salt. He claims Finn was born on a banana boat and that he himself made some kind of choice to leave earth while they were on it. He was right to some extent.
  • Walking Spoiler: He's Finn's father, for crying out loud.

    Betty Grof 
https://static.tvtropes.org/pmwiki/pub/images/432519dba7ea29905c31ad24ec26d182.png
Voiced by Lena Dunham, Felicia Day

The fiancée of Simon Petrikov, aka the Ice King. She lived on Earth before the apocalypse until Time Travel brought her to the present day Land of Ooo.

  • But Now I Must Go: After restoring the powers of the ice crown to keep Simon alive, she decides to leave the Ice King until she is able to find a way to safely free him.
    • She does this again in the finale when she becomes the new GOLB and banishes herself from the planet to protect Simon and everyone else.
  • Decomposite Character: A lot of her moves and mannerisms are the same as Fionna's.
  • Earn Your Happy Ending: In the Marcy and Simon comic, the protagonists managed to find GOLB's lair and, thanks to Abeedeer Hunson, manage to separate her from GOLB and defeat him. Allowing her and Simon to finally be together.
  • Determinator: A trait she shares with her fiancée.
  • Fish out of Temporal Water: Though she seems to take it well.
  • Heroic Sacrifice: She uses the Crown's wish magic to become the new GOLB and banish herself and GOLB's monsters from Ooo.
  • Hijacking Cthulhu: Using the reset wishing crown she merges with GOLB and takes over it's body.
  • Hot Scientist: She co-authored a book about space time portals. She's pretty adorable, too.
  • Ignored Epiphany: She is subjected to a Secret Test of Character by Normal Man to convince her to finally let go of Simon and focus on improving herself. However, this backfires and simply convinces Betty to come up with a plan to save both Simon and Normal Man's wife, which involves GOLB.
  • The Lost Lenore: To Simon, although as the Ice King he's not really aware of it. It's ultimately subverted when Simon opens a Portal to the Past, intending to say goodbye to Betty... and she jumps through it to enter the present, meaning that she never really died after all.
  • Not Quite Dead: It was heavily implied she died early in the Mushroom War, hence why Simon never saw her again. Turns out it was because she jumped through a time portal, traveling to the future]
  • Official Couple: With Simon...kind of. It's complicated.
  • Physical God: She inherited Grob Gob Glob Grod's power and eventually became the new GOLB in the finale.
  • Power Born of Madness: Theorizes that all Magic Users have Magic, Madness, and Sadness. Confirmed when she screams and teleports away upon getting Magic Man's magic.
    • Foreshadowed in her cameo in Jake The Brick when she was looking at a paper with "M+M+S" on the top.
  • Sanity Slippage: Spending too much time in Magic Man's head probably wasn't the best idea. Finn and Jake interrupting the ritual couldn't have helped much.
  • Satellite Love Interest: Doesn't have much personality aside from being Simon's fiancee. Heck her status as the second human to enter Ooo is never discussed nor does Finn tries to have a talk with her now that he has another human in Ooo. Deconstructed to hell and back in “Temple of Mars”, where she reveals that she had spent so much time focusing on Simon that she had completely neglected her own ambitions and desires.
  • Set Right What Once Went Wrong: In the Elements miniseries, she tries to prevent Simon from ever becoming the Ice King and avert the Mushroom War, which she thinks is this, but is callous about it wiping out Ooo from existence and the latter causes an Oh, Crap! moment from Prismo and Cosmic Owl.
  • Stable Time Loop: She left Simon when he became Ice King because the Simon from the future was saying goodbye to her through a Portal to the Past; thus she jumped through it to be with him there.
  • Star-Crossed Lovers: Implied in "Holly Jolly Secrets", with Simon having come to believe that she met her end in the Great Mushroom War. In "Betty", it turns out she didn't die after all... and she makes it her goal to save Simon from his fate.
  • Undying Loyalty: To Simon. We're initially lead to believe she left him after the crown started taking control of him. Turns out she slipped through a time portal to the current timeline, and has never faltered in her love for him.
  • Unfazed Every Man: After escaping to the future she doesn't appear visibly fazed by any of strange things around her. Kind of justified, as she had much more important things on her mind at that moment. But then given the title of the book she and Simon co-wrote, "Mystic Rituals And Their Space Time Applications", she was likely never "normal."
  • The Unfettered: In Elements Part 8, she is shown to be willing to do whatever it takes to have Simon back to normal, even if it means going back in time to destroy the crown, potentially averting the Mushroom War, and cause all of Ooo to be Ret Gone in the process of altering history, not caring about the consequences that might come out of it.
    • And now she's going to summon GOLB, an ancient evil deity who can erase people and realities, just to save Simon and Normal Man's wife.
  • Walking Spoiler: Her role in the Ice King's origins makes her this. Her arrival in Ooo via time travel makes her all the more important.
  • Walking the Earth: After Simon is forced to wear the crown again to save his life. She begins traveling Ooo in the hopes of finding a way to cure him.
  • Witch Species: Now has magic due to a ritual involving Grod's helmet and unintentionally obtain it from Magic Man. Remember, she literally wrote a book on mystic rituals.

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