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ROTMNT OC AU - The Rise of Sophie by mostlyroughdrafts
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
17 Oct 2025
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Summary
Sofonisba "Sophie" Hamato - a mutant female painted turtle with pink accents on her hands, legs, eyes, and a heart-shaped birthmark on her clavicle. She is also missing a finger on her left hand. Follow her on her many adventures as she tries to find the warrior spirit she lost.
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Author's Note: Basically this is an AU where the brothers would have a little sister and what she'd do with and without her brothers. There will be some chapters that are like lore and some that are like filler. I'm trying to emulate the show's style of writing. She's an OC and this is just a fun writing experiment for my current hyper-fixation so I hope you enjoy :)
(Also I'm following Paramount + episode order since both seasons are on there and that's where I started watching the show) -
Don’t Lose Your Head by Will_Wood_Biggest_Fan
Fandoms: Teenage Mutant Ninja Turtles (TV 2003)
17 Oct 2025
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Summary
One Donatello wonders where his brother’s are, while the other is burdened with the truth.
TLDR;
While Donnie suffers with the trauma and grief of watching the parallel version of his brother’s deaths, the universe decides to make it harder for him and have his parallel self forced into his own dimension, with seemingly no way of going back.
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Summary
Whumptober Day 17: Coma
A comatose Splinter wakes up to see his girlfriend, April.
Series
- Part 23 of TMNT Drabbles
- Language:
- English
- Words:
- 300
- Chapters:
- 1/1
- Collections:
- 1
- Hits:
- 0
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Vivo con el miedo constante de que mi gato me devoré by Ugarte
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
17 Oct 2025
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Summary
Ubicado en el Futuro de Cassey Junior. Profundamente inspirado en:
Cass Apocalyptic Series de la artista
@somerandomdudelmao
Link: https://www.tumblr.com
/somerandomdudelmao
/710091900612476928/cass-apocalyptic
-series-masterpost?source=shareAquí veremos los retos de tener un gato gigante que quiere devorarte mientras duermes, sin olvidar las dificultades de vivir en apocalipsis para la Sra. Nubbins y Repo Mantis.
Dejen que Repo pueda mimar a su gato!!!, por favor dejen que esa pobre alma ame a su gato en paz.
Este hombre que valora y comprende la comunicación familiar sana!!!
- Language:
- Español
- Words:
- 1,019
- Chapters:
- 1/?
- Hits:
- 1
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When The World Turns Upside Down by Amazingcoco300
Fandoms: Seduce Me (Visual Novel), Teenage Mutant Ninja Turtles (TV 2012), Les Schtroumpfs | The Smurfs
17 Oct 2025
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Summary
The siblings are all preparing for Mika and James' wedding. Things never go as planned for them.
Series
- Part 19 of Coco's Chaotic Cross-Over
- Part 3 of Warnings and Warfare
- Part 9 of Smurfs
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Toxic Tonics by Quarantinevibes
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Oct 2025
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Summary
Leo would appreciate it if his brothers informed him when they managed to anger entire towns.
When a run in with Donnie’s growing list of enemies from witch town leaves him and Leo to deal with a nasty spell, the after effects have Leo reeling. He’s determined to play things cool and brush it off, despite his brothers’ growing suspicions at his changing behavior. He’s the leader, after all, he should be able to handle it!
OR
Eight chapters of Leo not handling it.
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Updates daily! -
TMNT: We are not monsters. by Their_RA_lot_of_Toms
Fandoms: Teenage Mutant Ninja Turtles - All Media Types
16 Oct 2025
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Summary
This is my original story with my own takes on the Teenage Mutant Ninja Turtles and I am only adding to it's surprisingly vast multi-verse.
- Language:
- English
- Words:
- 777
- Chapters:
- 1/?
- Kudos:
- 1
- Hits:
- 8
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Unexpected Pregnancy by Xichengshipper06
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
16 Oct 2025
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Summary
Raphael is in brumation for longer than his brothers, when he finally awakes he has severe stomach pains. How will everyone react when they find out Raph is in labour and who is the father?
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Two Years, Two Keys by Purpleandbluelove24
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
16 Oct 2025
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Summary
Two years after the near Krang invasion and the eve of their 19th birthday, Donnie notices that Leo is not himself, becoming quieter and more distant. With some gentle coaxing, Leo finally breaks down, confessing that he has felt trapped and tired, the trauma from his near-sacrifice and the invasion not leaving him even after two years. Donnie decides to do something about and surprises Leo with an apartment that the two of them can share together
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A series of stories of Leo and Donnie sharing an apartment in the Hidden City together, full of laughs, tears, and healing that can only be shared between two twins
Series
- Part 31 of I love the disaster twins
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Healing is the Hardest Part by IDIOTICBEAN101
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Oct 2025
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Summary
Turtles are still recovering after the events of the movie.
No one's doing well, and Leo's still in a coma.Series
- Part 2 of Silent Songs
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It was a night to forget by saltshakergirl18
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
16 Oct 2025
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Summary
It’s safe to say that the others had many concerns when they got Mikey out of Dimension X. They asked reasonable questions such as: how long were you in there? What happened? Are you hurt?
Mikey didn’t mind it, of course they’d have questions, but there was a problem.
He didn’t have any answers. -
Wings Of Ashes by Abbie_Lauren2024
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
16 Oct 2025
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Summary
After an explosion that destroyed the lab they were created in, Raph and Leo were raised by warrior scientist Baron Draxum and aristocrat Big Mama. After being chosen as Draxum’s heir Raph struggles to live up to the expectations while Leo, bitter with resentment, turns toward rebellion and illegal activities, particularly his prodigious talent for gambling in the Hidden City.
But when Draxum’s lost creations show up, the warrior alchemist demands that they be brought back to him. Will Raph and Leo be able to follow Draxum’s order? Or will these newfound family members change their minds about how things really are?
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A separated AU where Leo and Raph are raised by Baron Draxum and Big Mama while Donnie and Mikey were saved by Splinter. Mind the tags! They will be updated as the story progresses.
Series
- Part 3 of The Shattered Lineage AU
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Strength of the Pack by Maelstrom_Breaker
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles (IDW Comics), Teenage Mutant Ninja Turtles (TV 2003)
16 Oct 2025
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Summary
Alopex and Cherepakha were simple, honest enforcers for the Russian Mob. As Mutants, they didn't really have any other option, but they're fine with that. When the two of them were sent to New York City in order to handle some business, they thought it would be simply be another job. They never expected to encounter mutant gangsters, ninjas, long-lost family, and a threat both of them thought they'd left behind a long time ago. Wading through all of this and more tests them and their bond beyond anything they've faced before.
The two of them have each other. Outside of one another, where are the lines between ally, enemy, and family drawn?
Series
- Part 4 of Cold Comfort
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Chello's TcestOber 2025 Fics by ChelloHello
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Oct 2025
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Summary
It's October, and it's time for TcestOber! 31 Tcest fics of all kinds, based on prompts given to me by Ashspeedboat on Bluesky.
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The Way You Make Me Feel by NinjaRose (RoseDuchess)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Oct 2025
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Summary
The flames that burn within their hearts are something that they have come to discover later on in their lives. Though this flame only burns when they are with each other. Will they figure out what that flame is? And what exactly is that feeling that burns more than anything that they've felt before?
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Saving Our Future by NinjaRose (RoseDuchess)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Oct 2025
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Summary
What if Casey Jones was sent back in time by Donnie and Raph instead? AU of Rise of the Teenage Mutant Ninja Turtles: The Movie
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Mama? by Citrine_Cutie
Fandoms: Teenage Mutant Ninja Turtles: Mutant Mayhem (Movie 2023)
16 Oct 2025
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Summary
(Set in the Teenage Mutant Ninja Turtles: Mutants Unleashed)
Basically just the Mikey going feral scene but VERY revamped and angsty.
Did I do a ton of research on turtle instincts? yes. Did I ignore all of it for angst and plot? also yes.
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The one that crawls by DonnieThe_Autism_Creature, RedThe_BeardedVulture (DonnieThe_Autism_Creature)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Oct 2025
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Summary
Leo swears he had more than just 2 brothers, he remembers having a twin. His older brother isn't making it any better because he just keeps saying 'Leo I think you are just making things up, I know you really want a twin but we have never had a fourth brother, so stop bringing it up.' or whatever. He feels like his brother knows something but he can't tell... He tapped his leg. "You know what I will just look myself i don't need you guys to help me, hmph" he said into the dark, and turned to get ready to leave the sewers. It can't be that hard looking for another turtle that looked similar to him right?
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You Were Scared, So Am I by WritingWithAnxietea
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
16 Oct 2025
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Summary
ROTTMNT Movie Spoilers!!!
Some people say that being born in an apocalypse is the shittiest thing that could happen. You couldn't agree more.
aka it's basically the movie but reader is Casey's (adopted) younger sibling...chaos ensues.
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YOU WERE SCARED, SO AM I (Rewrite) by WritingWithAnxietea
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
16 Oct 2025
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Summary
REWRITE OF MY ORIGINAL FIC, TITLED THE SAME!
You didn’t have time for this—the time for mourning would have to come later, when you fulfilled the duty thrust upon you by your masters.
When you were safe with the surviving members of your family, that was when you would mourn for your fallen comrades.
aka it's basically the movie but reader-insert is Casey's (adopted) younger sibling...chaos ensues.
Series
- Part 1 of TEA REWRITES