Finnthehuman Stories

A love story between Finn and Marceline? A young and a woman who's older to be around for slav- alright I won't make that joke but it's something I could make it work.

When investigating yet another case of a 'kidnapped princess' the adventure duo Jake and Finn traveled to the Ice Kingdom only to find a... human? A boy with a special a...

Here is a collection of Adventure Time one-shots! It is amazing how the creators could make simple cartoon characters seem so attractive- along with the help of writers...

Y/n awoke in a bed made of ice that was covered in blankets. Now she's the daughter of a crazed wizard who kidnaps princesses to try and marry. In short: Y/n wakes up wi...

(Y/n) lived with Finn and Jake doing whatever they can. But when Princess Bubblegum sends them to a quest to shut down a 'dangerous' portal, (Y/n) is pushed in and put i...

I guess I do cartoons now

Incarnations of Evil Incarnations of Good But what about the In Between? (I Do Not Own Any Adventure Time Property and All Rights Go to Cartoon Network and Affiliates)

"In the Land of Ooo, Y/N isn't just another human - she's the playful, motherly figure who lives with Finn and Jake. But when Hudson Abadeer, the Lord of Evil himse...

I'll be putting you guy's in the Adventure Time episodes, so I hope you enjoy reading my book! You are one of the Adventurers as you, Finn, and Jake go across the Land o...

What would have happened if Finn went Rogue after the events of Red Throne, after being turned down multiple times by Flame Princess, what if he became the villain of Oo...

In the Land of Ooo is a place where fantasy comes to life. Every little thing must have a Prince or a Princess, but what Finn finds is something that changes his life. F...

When Marceline the Vampire Queen finally realizes she has a massive crush on, now 18 year old, Finn the human, she's not exactly sure what to do. In this Adventure Time...

In this Fanfic, Bubblegum and Marceline have broken up again. Bubblegum just can't change from her responsibility. Finn is 18, and almost to his 19th birthday. After Jak...

There isn't much you can do if a crazy boy starts attacking your hometown. You're not a hero. But what you can do is distract the boy and give the townspeople enough tim...

There exists a parallel universe where Finn is a girl and Jake is a cat and the Ice King knew about this and wrote his "Fan fiction" about it. How, you ask? We...

You, Y/N, are a wizard of sorts. You have the power to heal or destroy, but your services come at a price. For all except one. Finn the Human. Finn was the hero of Ooo;...

Finn left the land of ooo for four years to explore the post apocalyptic world without jake; But when he gets back he has newfound feelings for his best friend marcelin...

The land of Ooo, in all its slice-of-life glory, is visited by a girl from the sleepy- yet not so sleepy- town of Gravity Falls. From the moment she arrived, there was o...

A girl finds herself in an unfamiliar land with no recollection of who she is. Her existence brings many difficult questions. The quest to find the answers to these ques...

✴ The title explains it all, one shots about Simon!! I can do requests too but most of them are going to be things that I come up with on my own! (Simon Petrikov x read...