1 - 20 of 193 Bookmarked Items in Protective Splinter (TMNT)

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  1. 35

    No Mutant Left Behind by

    Fandoms: X-Men - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)  

    07 Sep 2025

    Tags
    Summary

    A routine errand becomes a fight for survival when Donatello is ambushed by Karai on a rooftop. She manages to injure and poison him, smirking at him as she tells him how she plans to throw his body at Shredder's feet.

    In a moment of desperation, he wishes for someone to come and help.

    Imagine his surprise when, seconds later, he and Karai are abducted by some strange-looking humans...

    Language:
    English
    Words:
    29,769
    Chapters:
    14/14
    Comments:
    96
    Kudos:
    81
    Bookmarks:
    35
    Hits:
    2,192

  2. *

    paper rings by

    Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types  

    20 May 2023

    Tags
    Summary

    The first words Usagi ever said to Leonardo were “Marry Me"

    Before Leo could give his answer, he was whisked away by his brother.

    Determined to track Usagi down so Leo could give him his answer, he soon finds that actually finding Usagi is the easy part. Convincing his family to let Usagi live after they find out is a much, much harder task.

    Series
    Language:
    English
    Words:
    59,760
    Chapters:
    19/19
    Collections:
    3
    Comments:
    720
    Kudos:
    4,342
    Bookmarks:
    676
    Hits:
    100,895

  3. 3

    One Last Second Chance by

    Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types  

    06 Sep 2025

    Tags
    Summary

    The world has ended. The Kraang have decimated the planet, and only a few straggling survivors still cling to life. Among those few are Donatello and Casey Jones. Donatello figures that there's no point in trying to fix what's happened. But maybe he can prevent it from happening all together. So, he does what any normal turtle would do and builds a time machine to take him and Casey back in time and hopefully, from the shadows, they can save their past selves from following the same road to destruction. Maybe then, he can start to be forgiven for not seeing it coming.
    He didn't account for how hard it would be to stay away from the version of his family that's still alive and happy.
    Casey Jones just wants to protect the only person he still has left and possibly save the world while he's at it. Trying to find a purpose in a world that already has a Casey Jones and trying to find some small bits of a peace in a world on the highway to destruction.

    Neither one of them are very good at sticking to the plan, however, and soon enough, they'll have to contend with family dynamics, memories, and finding your place in a world with no need for extras.

    Language:
    English
    Words:
    2,122
    Chapters:
    1/?
    Comments:
    2
    Kudos:
    14
    Bookmarks:
    3
    Hits:
    55

  4. 49

    never see a doctor by

    Fandom: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types

    04 May 2025

    Summary

    Stockman said that they were rewiring Leonardo’s brain so that Saki’s presence emanated in every fired neuron and connected synapse. Saki likened it to taking a sledgehammer to his skull.

    or, at the end of season 2, the Shredder decides to keep Leo and instead sends a message by hurling Splinter's comatose body through the window. This gives him about three months to break Leo down into something new, through a combination of sensory deprivation, sensory overload, and a whole lot of mindfuckery. He wants a loyal devotee, even if he has to cram love down Leo's throat until it's all he's capable of bearing.

    or, a three part series examining the before, during, and after of the conditioning Leo experiences at the Shredder's hand.

    Words:
    74,519
    Works:
    3
    Bookmarks:
    49

  5. *

    Softshell in Human Clothing by

    Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles (TV 2012)  

    26 Aug 2025

    Tags
    Summary

    Donnie has everything perfectly under control. Sure, sometimes he hears the voices of those who aren't there, and sometimes he's not in control of his own body- but those are easy fixes. He's fine, dare he say even better than fine! He's so fine that he even constructed a portal to other dimensions in case the Krang come back! It's not like he worked endlessly, almost obsessively, over the portal for days, missing sleep and family trying to talk to him.

    He's fine!

    He's even fine when the portal swallows him whole and spits him out into a new universe with nothing but his battle shell and clocking broach.

    One with alternate versions of him and his brothers, just starting out and fighting their own version of Kraang and bad guys. He's even fine when he gets dragged into their upcoming battles and fights. He's going to get home anyway; what's the harm in helping out his alternate family fight against Kraang?

    Or:
    Post-movie ROTTMNT Donnie gets sucked into Season 1 TMNT 2012.

    Language:
    English
    Words:
    108,142
    Chapters:
    28/?
    Comments:
    723
    Kudos:
    2,395
    Bookmarks:
    416
    Hits:
    58,230

  6. 31

    Broken Mirrors and a Bloody Floor, Forgotten is the One who I was Before by

    Fandoms: Teenage Mutant Ninja Turtles (TV 2012)  

    07 Jun 2025

    Tags
    Summary

    Donatello Hamato lived a hard life, he lost many things- His father, his childhood innocence, his close bond with his siblings and most of all...his sanity. He is now a mere husk of the turtle he once, with a slipping mind and a broken thread of everything he used to be. He is fine though, he promises.

    The universe however doesn't believe him when he says so, so it chooses to send him back in time. Donatello doesn't complain, he takes his chance to make the lives of his family better. He chooses not to let them down.

    Little does he know just how much his past life's trauma will bleed through....and how much he underestimated his family's love for him.

     

    TL:DR- Donnie is thrown back in time without giving his consent, still he takes the chance to fix things but oops! He's mentally unstable and that scares the shit outta his brothers lol

    Series
    Language:
    English
    Words:
    8,739
    Chapters:
    5/?
    Comments:
    69
    Kudos:
    211
    Bookmarks:
    31
    Hits:
    2,349

  7. 5

    2012 Donatello appreciation 🐢💜 by

    Fandom: Batman vs. Teenage Mutant Ninja Turtles (2019), Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles: Mutant Mayhem (Movie 2023)

    19 Jun 2025

    Summary

    This series is basically 2012 Donnie centric.

    I might consider crossovers with other versions of TMNT

    There will be no domestic abuse, Splinter-bashing or April-bashing.

    I hope I was not too OOC.

    Words:
    26,329
    Works:
    5
    Bookmarks:
    5

  8. 43

    Gapped Knowledge by

    Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types  

    05 Sep 2025

    Tags
    Summary

    Due to his father's secret about his origin, Donatello's life seems to take an unexpected turn as he finds himself being targeted by the Shredder himself.

    —————————————-

    A Donatello-centric story that is set in the 2012 universe and focuses on the struggles of family dynamics.

    (The chapters are short and therefore there might be a lot of chapters to this story xD)

    Language:
    English
    Words:
    58,961
    Chapters:
    57/?
    Comments:
    78
    Kudos:
    416
    Bookmarks:
    43
    Hits:
    14,036

  9. *

    Leo Likes to Talk (Except When he Doesn’t) by

    Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)  

    11 Jan 2023

    Tags
    Summary

    Leo gets himself injected with something that makes him say a lot more than just what’s on his mind and use that frustration against his brothers.

    Series
    Language:
    English
    Words:
    15,900
    Chapters:
    6/6
    Comments:
    124
    Kudos:
    1,230
    Bookmarks:
    179
    Hits:
    16,976

  10. 17

    Spiders, Turtles, and Heroes (Oh My!) by

    Fandoms: Spider-Man - All Media Types, Teenage Mutant Ninja Turtles - All Media Types, Marvel Cinematic Universe  

    05 Aug 2025

    Tags
    Summary

    Set in the world of "Spider-Ninja", this fic depicts the adventures/slice-of-life moments of the Hamato family and their allies before, during, and after the events of the main fic.

    Series
    Language:
    English
    Words:
    92,242
    Chapters:
    52/52
    Comments:
    249
    Kudos:
    81
    Bookmarks:
    17
    Hits:
    4,923

  11. 72

    Spider-Ninja by

    Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Spider-Man - All Media Types, Marvel Cinematic Universe  

    06 Jan 2025

    Tags
    Summary

    Somewhere deep in the Spider-Verse, a young Petra Parker was taken in by the kind Master Splinter after her family was killed. Since the day of her adoption, she's trained alongside her four older brothers (who just so happen to be mutant turtles) in the art of ninjutsu. As if her life isn't strange enough, one day she's bitten by a weird spider and develops incredible powers. Using their combined training and Petra's new spider-powers, the five siblings become vigilantes, fighting crime from the shadows. Unfortunately, a certain agency eventually takes notice.... (Crossposted from FanFiction.com. It is my own work (as I originally posted it on the aforementioned website)).

    Series
    Language:
    English
    Words:
    201,876
    Chapters:
    80/80
    Comments:
    337
    Kudos:
    208
    Bookmarks:
    72
    Hits:
    15,008

  12. 26

    Spider-Ninja by

    Fandom: Marvel Cinematic Universe, Spider-Man - All Media Types, Teenage Mutant Ninja Turtles - All Media Types

    05 Aug 2025

    Summary

    Somewhere deep in the Spider-Verse, four-year-old Petra Parker lost her Aunt May and Uncle Ben to an act of violence. She was found and taken in by a master ninja... who also happened to be a mutant rat with four mutant turtle sons.

    For ten years, Petra "Pet" Parker-Hamato trained in the art of ninjutsu alongside her brothers. One day, everything changes when she's bitten by a weird-looking spider...

    Words:
    294,118
    Works:
    2
    Bookmarks:
    26

  13. 95

    :The Doorway to Happiness: by

    Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types  

    28 Aug 2023

    Tags
    Summary

    In a world where mutant creatures live under the city of New York and said mutants are trained Ninjas as well as turtles with various personalities there are bound to be some crazy adventures.

    Mikey is sick and tired of his brothers blaming and hurting him, he also has to keep hiding the feelings he has grown for a certain giant mutant alligator. Strange things are happening and things around the lair are going missing, Mikey is imminently put to blame. Mikey goes off into the sewers for some time on his own after yet another fight with his family, somewhere in the labyrinth of sewers that is the New York sewer system he finds a strange door leading to some very odd and eccentric new friends. As like all his other friends he enjoys their company, but what happens when these new friends don't want him leaving? what if they want the poor little freckled turtle to stay with them? What is Mikey to do? Will his brothers and friends come to rescue him? will Mikey finally confess his feelings? or will they ever see him again......Lets read and find out!

    Language:
    English
    Words:
    84,904
    Chapters:
    26/26
    Comments:
    89
    Kudos:
    726
    Bookmarks:
    95
    Hits:
    17,773

  14. *

    let the monsters loose by

    Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)  

    01 Oct 2024

    Tags
    Summary

    Looking back, Raph can count all the red flags he missed and hates himself a little more for each one. Leo sometimes causes problems for fun, and he likes to see what trouble he can get away with or get himself out of, and he is a downright menace to society when he’s bored—but he’s good. He’s sweet, and charming, and wants to help.

    Leo wouldn’t have raised an issue with the other group of mutants, potentially cutting ties with useful allies, unless he had a decent reason to. 

    Language:
    English
    Words:
    3,705
    Chapters:
    1/1
    Comments:
    33
    Kudos:
    584
    Bookmarks:
    158
    Hits:
    3,364

  15. 33

    Hakkōna koibito (Star Crossed Lovers) by

    Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)  

    27 Jul 2025

    Tags
    Summary

    The rest of the family becomes overprotective of leo

    He meets Yuichi Usagi at Hueso's and they both instantly start crushing

    They begin sneaking around because of Leo's overprotective family and Usagis family doesn't like ninjas

    Language:
    English
    Words:
    14,411
    Chapters:
    14/?
    Comments:
    72
    Kudos:
    226
    Bookmarks:
    33
    Hits:
    4,736

  16. 39

    Caught In The Burning Rain by Anonymous

    Fandoms: Teenage Mutant Ninja Turtles (Bay Movies)  

    12 Nov 2023

    Tags
    Summary

    After being stuck underground for too many days, Leo takes it upon himself to go up to the surface and patrol without any backup. Unless he would want to go against the wishes of his father and be met with the annoyance of his brothers, Leo would have to leave the lair without any of them noticing. Too bad for Leo though as his stealth skills aren't what get him caught, instead it's his pride. Now that he is home and sick with not only his injuries but a cold from his exposure, Leo must deal with his overbearing brothers.

    Language:
    English
    Words:
    5,645
    Chapters:
    1/1
    Collections:
    2
    Comments:
    6
    Kudos:
    183
    Bookmarks:
    39
    Hits:
    2,148

  17. 32

    EENIE MEENIE MINY, MOE...CATCH A TURTLE, NEVER LET THEM GO by

    Fandoms: Teenage Mutant Ninja Turtles (TV 2012), TMNT (2012)  

    21 Apr 2025

    Tags
    Summary

    Rahzar seeks retribution and revenge, Shredder gives him the go ahead...here's one angry mutated wolf with some mutant pals, and four captured turtles.

    Good luck to them...they are going to need it.

    Read captions...you have been warned :)

    -will contain swearing-

     

    I DO NOT OWN TMNT, I JUST WRITE FOR FUN

    Language:
    English
    Words:
    79,928
    Chapters:
    22/?
    Comments:
    174
    Kudos:
    579
    Bookmarks:
    32
    Hits:
    9,449

  18. 12

    When All Else Fails, Fall Through A Portal by

    Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)  

    30 Dec 2022

    Tags
    Summary

    When another Donatello fell unconscious from the sky, the Rise boys knew their night was only going to get worse. But then certain foes of theirs take issue with him being there, and decide to cause mayhem. Until they find out, the hard way, that other Donnie wasn't willing to back down from a fight.

    Series
    Language:
    English
    Words:
    23,150
    Chapters:
    6/?
    Comments:
    37
    Kudos:
    73
    Bookmarks:
    12
    Hits:
    1,533

  19. 14

    immutable by

    Fandoms: Teenage Mutant Ninja Turtles (TV 2012)  

    11 Jun 2024

    Tags
    Summary

    “What brings four kappa to our home in particular, then?”

    An excellent question. Warning Shen had gone… less than ideal. She thought Saki a good man, and though she was kind, she seemed hesitant to believe their claims. Yoshi knew him better; perhaps he had already noticed the darkness within him, and so would be more open to what they had to say? Leo glanced back at his brothers to find them all looking back at him. Awaiting his decision.

    Leo sighed, meeting Yoshi’s gaze evenly. “We’ve come to warn you about Oroku Saki.”

    Day 2 of Splinter Appreciation Week!!! Just a little "what-if" for Yoshi/Protect: what if the turtles had interacted with Yoshi during Tale of the Yokai?

    Series
    Language:
    English
    Words:
    2,997
    Chapters:
    1/1
    Comments:
    10
    Kudos:
    97
    Bookmarks:
    14
    Hits:
    695
    • Bookmarked by Davros123

      29 Aug 2025

      Public Bookmark

    • Bookmarked by yyourlocalenbydumbass

      06 Aug 2025

      Rec

      Bookmark Notes:

      amazing amazing what we all wanted - characterisation on point as usual, they are their fathers sons. yoshi struggling with miwa was such a nice moment, i love when we get to see who he was before he was splinter

    • Bookmarked by bugbitchbabe

      09 Jun 2025

      Public Bookmark

    • Bookmarked by Ink_wars

      15 May 2025

      Public Bookmark

    • Bookmarked by brasstimepiece

      30 Jan 2025

      Rec

      Bookmark Notes:

      Auauaugh themm (⁠｡⁠ŏ⁠﹏⁠ŏ⁠)
      The way they notice stuff about each other in Yoshi... The similarities and differences in the man who raised/will raise them... The protectiveness... The sarcasm... The bros being bros... Babby Miwa... Tang Shen... The parallels–

  20. 20

    A Rat's Nest by

    Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)  

    27 Feb 2024

    Tags
    Summary

    Yoshi could see them still, the soft, gentle features of his wife and the beauty their daughter inherited from her. He could practically feel still the way her hand fell over his forearm, warm and knowing. How their child felt nestled in his arms. Their smiles had been so beautiful.

    He didn’t even have a moment to say goodbye.

    A small hand fell on top of his quivering snout. His eyes blinked open to see one of the turtle creatures staring back at him. Behind it, the three others were staring as well. Their tiny, dark eyes set in impossibly full cheeks blinked with concern.

    Despite it all, Yoshi found himself with a gentle, unsure smile.

     

    ( or: splinter is suddenly a dad again after the loss of his wife and child and he has no idea if he's ready for it, but his immediate love for the four tiny turtle babies thrust into his care is not going to give him a chance to rethink )

    ( oneshots written alongside s5ep10 "a lone rat and cubs" and afterwards )

    Series
    Language:
    English
    Words:
    5,844
    Chapters:
    3/?
    Comments:
    15
    Kudos:
    114
    Bookmarks:
    20
    Hits:
    927

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