1 - 20 of 59 Works in Guilty Leonardo (TMNT)
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The Weight of Silence by Bickymonster, Freckled_Sunshine
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types
21 Nov 2025
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Summary
When Raph's pet turtle accidentally gets mutated, the four brothers are faced with the challenge of welcoming another turtle into the family.
While they all try to navigate the unexpected changes in their lives, several new and painful experiences push Mikey to the limits of what he can handle.READ TAGS!
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The Journal of Hamato Leonardo (3) by Slady
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
17 Nov 2025
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Summary
2012 “Teenage Mutant Ninja Turtles”
Daily updates for each episode of Season Three from the perspective of the turtle team leader Leonardo.
Series
- Part 3 of 2012 The Journal of Hamato Leonardo
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Hollow Echo by cupfee for qolden
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types
08 Nov 2025
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Summary
Shredder would destroy the Hamato clan from within. An infection would eat away at them little by little, until nothing remained. His intention was clear: he aimed at the captain of the ship.
But the responsibility for pulling the trigger wouldn't be his.
or
I turned caged lunges by golden into a multiversal event.
Series
- Part 1 of metamorphosis
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suffering with you by MelonPalooza
Fandoms: Batman - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
31 Oct 2025
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Summary
Dick leaves his family to protect them. Bruce's spirit tags along.
(At least... Dick assumes it's his spirit.)
((It's happened before, right? It can happen again...))
Series
- Part 10 of DC/TMNT: Earth-2012
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Leo's Nightmare (A Mutant Apocalypse Fanfic) by MlpTmntDisneyKauane
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types
22 Oct 2025
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Summary
Several years separated in the Wasteland, the family is finally reunited and living in the Oasis, but Leonardo is not mentally well, he is suffering from a trauma, has nightmares every night, and from time to time he distances himself from his family and blames himself for the things he did, from when he was... Maximus Kong.
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You Killed Me by Multidimensional_Scribe
Fandoms: Teenage Mutant Ninja Turtles (TV 2003)
12 Oct 2025
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Summary
It turns out consuming a poisonous substance twice in a span of less than twenty four hours has more unintended consequences than acute nausea.
Leo and Don learn this the hard way as they watch Mikey collapse after they forced him to eat floor wax. Now his life hangs in the balance. Their Team is fractured. They are light years away from home and help, and they are imprisoned by those who would be all too willing to let Mikey die.
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Blue Masked Boy by lArtiel
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Samurai Rabbit: The Usagi Chronicles (Cartoon)
24 Sep 2025
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Summary
A string of events led to Yuichi being an ‘errand boy’ for New York hidden city notorious big mama. He’s been all over the hidden city doing whatever odd job she wants, from simple tasks like grabbing her a coffee, guarding illegal deals, to her dirty work… after one of those peculiar jobs he runs into a Kappa Yokai, by far the most beautiful Yokai he's ever met.
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Shattered Light by BrightLotusMoon
Fandoms: Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles - All Media Types
24 Sep 2025
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Summary
Michelangelo goes missing, and is found bearing heavy surgical scars, severe burn marks, cracks and breaks in his shell, and evidence of total violation - all signs of being experimented on and discarded. The family struggles to break through the aftereffects, which include vicious flashbacks with violent emotional reactions. Leonardo tries meditation to reach him and unleashes Mike's bizarre and horrific coping mechanisms, which are far darker than the family had expected.
Series
- Part 3 of In Darkness And Light
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Until I See You Again by Shattered_ontheInside
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
09 Sep 2025
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Summary
In an alternate universe where Baron Draxum gave up his villainous ways long ago, the turtles are slow to take him up on his offer to train them until their delay costs them dearly when one of their own is captured and blinded by the Foot Clan while on a routine pizza run.
Accepting his new offer at proper training, the four turtles defy their mutated rat dad's objections and begin intensive work under the Baron to prepare for the return of a powerful being that is prophesied in yokai scrolls to bring with him world-wide destruction.
Realizing the Foot clan are reassembling the parts of the kori yori to reawaken the Shredder, Splinter is forced to admit the yokai who previously captured and experimented on him is right and they must work together to train his sons so they are ready in time.
But can the creator of the four mutant turtles use his mutagen to recover the sight of their wounded brother before the Shredder rears his ugly head, so he can aid in the fight?
And what will happen if he isn't able to do so in time?
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Guardian by Windify
Fandoms: Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles - All Media Types
16 Aug 2025
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Summary
Guardian
noun
• a person who has the legal right and responsibility of taking care of someone
• someone who protects somethingAfter the turtles get separated on a different planet, Leonardo must accept the post of a Guardian in order to save his brothers, all the while hoping he doesn't lose himself in the process.
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Ten Rules and the Minor Incovenience of Fire by the_frosted_dreamer
Fandoms: Percy Jackson and the Olympians - Rick Riordan, The Heroes of Olympus - Rick Riordan, The Trials of Apollo - Rick Riordan
09 Aug 2025
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Summary
Leo Valdez doesn’t do 'feelings'. But a certain Percy Jackson is making that a little bit complicated. When things are complicated, Leo makes a lot of mistakes. A lot. He ends up hurting the son of Poseidon in the process—and himself. He doesn’t know if things will be okay after that.
But he's going to try.「Will sighs. “He’s fine.”
Leo’s breathing slows down a little, as does his heartbeat, although it doesn’t pound any quieter. “Then why are you acting like he isn’t?”」Series
- Part 1 of ʀɪᴏʀᴅᴀɴᴠᴇʀsᴇ sʜᴏʀᴛ sᴛᴏʀɪᴇs
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Just For You by JustaLittleBitCrazy
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
31 Jul 2025
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Summary
Time ticks by.
Minutes turn into days, weeks bleed into months.
Seasons come and go like the ebbing and flowing tide, bringing with them change as the years pass by.
Wounds heal, scars fade, along with memories.
Some disappear and some stay with a person for life, changing them like the shifting seasons, bringing out the best in some...
but the worst in others.
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Years after the krang invasion Leo is attacked and sexually assualted by a genius he has known for a long time, who learned how to not only grow krang tendrils in her lab but also how to take control of them to make them do whatever she wants. His morally ambiguous twin brother seeks revenge - and what better way than to attack a person's psyche?
Non-con is implied, this au deals mostly with the aftermath.
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Mystic Cracks by IzZyWritez
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
23 Jul 2025
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Summary
Mikey Sacrifices himself to save Leo
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An Empty Bliss Beyond This World [DISCONTINUED] by BugTheWildflower
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
22 Jul 2025
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Summary
Shedder and his Foot ninja nearly killed Leonardo. They left him battered and scarred physically, mentally, and emotionally. His brothers try their best to raise his spirits and help him recover while they are at the farmhouse. They quickly come to the startling realization that Leo has not been okay for a long time, and the invasion only made him worse. They may have saved their brother from the brink of death, but can they help him want to live?
I suck at summaries lol. This is set after the Season 2 finale and during Season 3, but I am not going into all the storylines they had during that time. I am an independent gal who wishes to give my boy in blue trauma and a realistic response.
(The title is the name of the Caretaker's studio album 'An Empty Bliss Beyond This World')
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The Space Between a Touch by stellaspectral
Fandoms: Teenage Mutant Ninja Turtles (Bay Movies), Teenage Mutant Ninja Turtles - All Media Types
22 Jul 2025
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Summary
Your enemies used you against the turtles once. You won’t let it happen again.
To prove you’re no longer a liability, you take to the shadows alone. But Raph—he’s terrified he’ll lose you for good.
Series
- Part 15 of TMNT Requests
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Summary
He gave everything.
Series
- Part 1 of TMNT 2012 Oneshots
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Pain is NOT Beauty by Zzz_agreus
Fandoms: Percy Jackson and the Olympians - Rick Riordan, The Heroes of Olympus - Rick Riordan
04 Jun 2025
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Summary
Leo, Jason, and Percy face an unknown foe during one of their sidequests. Or is this foe really unknown? Is he a demigod gone rouge? Maybe Leo knows?
Or
Leo, Jason, and Percy meet Leo’s past lover. Jason’s jealous even though he has a girlfriend. And Percy is just here for all of it.
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¡No mas ordenes! by M_DAY
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles (Bay Movies), TMNT (2007)
31 May 2025
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Summary
Cuatro años de silencio.
Cuatro años de ausencia.
Rafael desapareció sin dejar rastro, rompiendo la hermandad como si nunca hubiera existido.
Pero el destino, terco e implacable, ha decidido reunirlos de nuevo.
Una herida abierta. Un reencuentro inevitable.
Y un secreto que podría romper todo lo que aún los une.
Cuando el pasado regresa con el rostro de un hermano,
¿serán capaces de enfrentarlo… o dejar que los consuma? -
Cost of the Fight by stellaspectral
Fandoms: Teenage Mutant Ninja Turtles (Bay Movies), Teenage Mutant Ninja Turtles - All Media Types
31 May 2025
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Summary
You took a hit meant for Leo and now, as you lie injured, his guilt makes him spiral. In the face of fear, the line between teammate—and something more—blurs, forcing a raw confrontation with the unspoken feelings between you.
Series
- Part 5 of TMNT Requests
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My Friend, My Brother by Shattered_ontheInside
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
24 Apr 2025
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Summary
Future Master Leonardo Hamato was there, looking down on him with a pair of glowing white eyes and a mixture of pity and a sort of benevolent understanding on his face.
Although Leo sensed another presence he didn't move from his position curled up on the ground, grasping the photo of his loved ones close to his heart and leaning over so far his face was practically in between his knees. Neither did he move when the future version of him - the one who had suffered for decades, sacrificed everything, and himself succumbed to the terrible power of the krang - walked up to him, knelt down to crouch beside him, and reached a hand out to rest it on the back of his shell.
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After Leo dies to the krang he finds himself in the presence of a future version of himself.
But is future Master Leonardo there to offer words of comfort, or to add pain to his misery?
And is it really too late for the young hero who saved the world by fixing a mistake he made, or will he be given a second chance?
Series
- Part 5 of Short Stories