1 - 20 of 41 Bookmarked Items in Adventure Time
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By some twist of fate, Finn is found by the Ice King as a baby and is taken in and raised by him instead of Joshua and Margarite. Raised as the Prince of the Ice Kingdom, will Finn still become a hero? An ice wizard? A heroic ice wizard? Or will he become a menace to society like his adoptive father?
Let's be honest with ourselves, he will almost certainly still end up a hero of some variation of hero. Though his life will be drastically different indeed.
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Princess Bubblegum has made the biggest mistake of her life, resulting in a zombie apocalypse. And now it's up to her to fix it. Isolating herself from Finn and Jake and deceiving Marceline about the outbreak only makes it worse. But she made these decisions out of guilt, and she can't undo them. She knows her actions will have consequences.
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Finntress week 2026 by Dumb_cow
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
21 Feb 2026
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A series of Finntress one-shots with prompts:
-15: Family
-16: Memory
-17: Blood
-18:Cold
-19:Patience
-20:Meat
-21: ValentinesI'm behind on this, but it's because I saw that no one else was doing it, and I figured it would be my turn. I hope you enjoy it.
#finntressweek 💚🩵
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Farmworld AU where Finn freezes the bomb and lich-Jake, but still has to deal with the crown. Bonnie has to deal with being pursued by the King of Farmworld and her own untrustworthy family. As they're forced to work together, will something else happen between them?
Canon-divergent from about halfway through S5E1 "Finn the Human", but contains elements of later canon (elemental powers, gum family, etc.)
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As night had settled over the Candy Kingdom, a crowd of chattering and whispering candy people had gathered around the bookshop, an unusual sight with it being so late.
They spoke of a monster. One with eyes made of glass, red frills on its neck and a face covered in blood. It had last been seen entering the building.
Finn thought he was ready for anything when he entered the shop, but the last thing he expected to come face to face with was an injured human.
Series
- Part 1 of Blank Slate Au
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Freaking Out by Cakepencil
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
24 Oct 2023
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Marceline freaked out when Simon went missing, and freaked out when she found him again, and freaked out when she found out what he planned to do.
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COME GET YALL JUICE
I’m doing it y’all, I wanted more content for my OTP so I’m gonna put myself through this. Y’all. Pray for me.
For the prompts, I’m following fictober-event on Tumblr. I don’t have a Tumblr, so I can’t post this there, but I am following those prompts
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Had I Listened by KamenArts
Fandoms: Adventure Time: Fionna and Cake (Cartoon 2023), Adventure Time (Cartoon 2010)
06 Feb 2024
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An alternate universe in which during episode 2 of Fionna and Cake Season 1, Marceline notices that something is wrong with Simon during their phone call.
Writing Contest Winner! Fanart of scenes included at the bottom alongside credits!- Language:
- English
- Words:
- 5,004
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 12
- Kudos:
- 189
- Bookmarks:
- 43
- Hits:
- 2,913
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Princess Bubblegum, Finn, and Jake meet the Minotaur Prime. They're a strong leader in the minotaur tribe. They become friends with the Prime and start to learn more about the Minotaurs and their history. The Prime also accompanies the duo on many adventures. Though, Finn's feelings start to go a little wonky as he's trying to find out how exactly he feels about the Prime. Does he want a friendship or something more? What will happen between these two blokes? Will they ever confess their love to one another? Who knows.
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Bookmark Notes:
Adventure time Finn x reader
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Winter King by ChesnokOf
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
17 Apr 2025
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When the Ice King decided make a trip to Wizard City, he expected there to be a brawl — rare were times when such visits went without one. What he did NOT expect, however, was that, as a result of this brawl, his sanity would suddenly return to him.
Simon Petrikov has returned, and he possessed the power of the Crown, the land of ice and penguins, as well as a reputation as a princess kidnapper and just an unpleasant person. Oh, and the surrounding world has changed beyond recognition, now inhabited by monsters, wizards, and who knows what else.
Has he truly regained his sanity?
This is a translation of my own work. Link to the original: here
- Language:
- English
- Words:
- 145,413
- Chapters:
- 27/?
- Comments:
- 332
- Kudos:
- 1,514
- Bookmarks:
- 182
- Hits:
- 65,037
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Summary
Bonnie has just started her first year of University, and finds she has a mostly neutral-verging-on-hesitantly-positive opinion of her new roommate, Marceline.
- Language:
- English
- Words:
- 102,550
- Chapters:
- 45/45
- Comments:
- 494
- Kudos:
- 3,297
- Bookmarks:
- 395
- Hits:
- 84,181
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Requiem for escapism by Lapis_stella
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
21 Dec 2023
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Months after Fionna's world became canon, the girl is doing ok, at least until she has an accident; and from there things just become worse and worse; especially when Prismo tasks her, Cake and Simon whit a new mission.
(I will update the tags as I add chapters, so give a look to them!)
Also it official! New chapters every Thursday!
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magic madness sadness (snow) by via_the_cryptid
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
07 Nov 2023
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Betty is the one who puts on the crown, not Simon.
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Family by Major144
Fandoms: Adventure Time (Cartoon 2010), Dexter's Laboratory, Code Lyoko, Regular Show (Cartoon), The Powerpuff Girls (Cartoon 1998-2005), Courage the Cowardly Dog, Atomic Betty, Megas XLR, Steven Universe (Cartoon), Grim Adventures of Billy & Mandy, Evil Con Carne, Paper Mario Series (Video Games), Young Justice (Cartoon), Avatar: The Last Airbender, El Tigre: The Adventures of Manny Rivera, Fullmetal Alchemist (Anime 2003), Wander Over Yonder (Cartoon), Over the Garden Wall (Cartoon & Comics), Grim Tales comic, Invader Zim, Grime Tales comic, Powerpuff Girls Doujinshi comic, Danganronpa, Codename : Kids Next Door, Samurai Jack (Cartoon ), Sym- Bionic Titan, The House of the Dead (Video Games), Teen Titans, Ferngully, Gravity Falls
26 Jun 2026
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Simon gets the power of the crown, but he doesn't lose his sanity or Betty. The war happens and Simon and Betty find Marceline and raise her as their own. The new family face many difficult challenges. A story in which a hero will rise and help defeat a great evil in the distant future. A different Ooo will rise and take shape. Also there will be many crossovers.
- Language:
- English
- Words:
- 487,859
- Chapters:
- 155/?
- Comments:
- 128
- Kudos:
- 317
- Bookmarks:
- 43
- Hits:
- 14,144
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overthinking again by fluorosectors
Fandoms: Adventure Time: Fionna and Cake (Cartoon 2023), Adventure Time (Cartoon 2010)
02 Nov 2023
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How two colleagues, Scarab and Prismo, fall into each other's orbit.
Series
- Part 1 of soft office au
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Ice Marcy’s new life (on hold sorry) by Anonymous
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
21 Aug 2024
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A WHAT IF:
Winter king didn’t die right away
Ice Marcy can’t melt if he dies and she is her own being now.Let’s see where this goes!
Series
- Part 2 of Adventure Time: Dad Simon
- Language:
- English
- Words:
- 58,892
- Chapters:
- 127/?
- Collections:
- 1
- Comments:
- 1,734
- Kudos:
- 641
- Bookmarks:
- 58
- Hits:
- 27,552
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Maybe a monster by Onlypink
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
30 Jan 2024
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In an alternate universe where Simon Petrikov turned into a vampire before the mushroom war, things swiftly turn bad. Even Betty had limits, but she did her best to help him.
As the end of the world approaches, Simon is now caring for young Marceline.
Series
- Part 1 of Maybe a monster
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You Were Everything Before You Were Nothing by DaniniPanini
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
10 Jul 2024
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After another day's worth of research brought up an astounding amount of nothing, Simon Petrikov can't help but feel as if his life is slipping away, dead end after dead end. And then, a ghost. The antiquarian, not the type to believe in superstition, can't help but feel that maybe all of his vain work is causing him to fall off the deep end, but as the ghost reappears time and again, he begins to believe that might not be the case...
A thousand questions fester within Simon, and unhelpfully, none of which the ghost answers. But as time goes on, he realizes just how much he missed, both regarding his research and his life. As life comes hurling at him and the ghost at a breakneck pace, answers start to flow naturally alongside it. And some time down the line, Simon Petrikov aims to return the favor.
//
Or, Simon and Betty have an even more complicated past where Simon is on the verge of a mental breakdown and Betty is, decidedly, a ghost, hellbent on fixing Simon's atrocious lifestyle.
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Simon did board the bus by Civveon
Fandoms: Adventure Time: Fionna and Cake (Cartoon 2023), Adventure Time (Cartoon 2010)
11 Oct 2023
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What if Simon boarded the bus with Betty, all those years ago? What if it did happen this way?
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Part of the Madness by RedFeatheredReptile
Fandoms: Adventure Time (Cartoon 2010), Adventure Time: Fionna and Cake (Cartoon 2023)
02 Nov 2023
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Simon's home, and he has a lot of recovery to do and a lot of learning how to value himself, meanwhile a mystery centering Simon is taking root.
Series
- Part 2 of The Madness Consumes
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