1 - 20 of 237 Works in Leonardo (TMNT) & Original Character(s)
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Adam by Cabbt
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2003)
11 May 2026
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Summary
“Hmm.” His Master mused. “Now that it’s woken up, it won’t be able to return into its cryogenic chamber. It’s useless to me in that weakened state. I suppose I will have to make a new one.” He stated. “Specimen, dispose of it.”
He visibly twitched. His heart started pounding in his ears. The shouts from the others faded from his mind as all he could hear now was ringing. The small one’s head tilted up, her big eyes staring right into his own.
He had to move. He had to obey. But he-
“Specimen.” His Master said.
And suddenly the noises were back. Too loud. He forced a step towards her. Then another. His body was stiff, his fist closed so tight his knuckles were turning white.
He kneeled in front of her. Her head moved to watch him. He placed his hands around her shoulders. He was shaking. Why was he shaking? This was just a mission. Why couldn’t he do this?
He pressed her shoulder harder, squeezing her lungs together. She was so small. So very small.
“Don’t ya fucking dare, ya monster!” The red one yelled.
She yelped.
~~~~~~~~
Bishop figured that creating mutant turtles was his best bet at defeating mutant turtles. It didn't go quite as expected. For anyone.
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What You've Done to Me by Shattered_ontheInside
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
10 May 2026
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"Donatello is unaware your body is being kept at an Earth's Protection Force base."
"Waitaminute," Leo blurted out, "He doesn't know my body's at the EPF base, or he doesn't know my body's at the EPF base!?"
Draxum's cheeks turned a bright pink from shame when he admitted: "As of yet your family are unaware of your untimely demise."
A flash of blue ignited in the darkness, sparked from Leo's rage flaring up when he aggressively accused: "You didn't TELL them!!?"
"I..." before Barry had a chance to respond, the enraged slider demanded in no uncertain terms: "TELL them TO-NIGHT!!!" Then he was gone - leaving to spend as much time with his family as possible before sunrise came to force him back to that lonely place of Limbo.
-or-
Leo died, his family doesn't know yet, and he can only interact with Draxum. All this changes when a Bringer of Death extends an invitation to join his kind, promising Leo will be able to return to earth with his family . . . but as a vampire.
What he will choose will not only shape the rest of his afterlife, but also put the power of life and death for many in the palms of his hands.
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Teenage mage ninja turtle.. Wait, what's that! by Glass_Ducks
Fandoms: Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles - All Media Types
09 May 2026
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Summary
Being the youngest was supposed to mean that you wouldn't have to worry about your older siblings. But not in this family! Our resident mutant turtle is brothers with Leonardo, Raphael, Donatello and Michelangelo. Those four are going to get themselves into a lot of trouble and near death experienced, but they always make it though.
There will be suprises, some character get more action than before, the magic of this world will be expanded upon and most importantly familial connections will be the thriving force of this story.
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The story follows my original character from start of the series to its end.The 2003 turtles give me huge big brother vibes, so I gave them a younger brother.
(I will add more tags when we get there)
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Another Crisis is a Hop, Skip, and a Dimension Away by LittleGrumblrAnna
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles (TV 2003)
01 May 2026
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Summary
New York is rebuilt and the Mad Dogs are back to their normal life. A chance encounter with a familiar looking mutant quickly leads them down another path to an earth ending threat, but it isn't their world that needs saving this time.
A story that follows unraveling the mystery of a sister counterpart being displaced from her dimension as the Rise brothers and their family endeavor to lend their aid. In pledging to get her home, they also promise to help solve the crisis her New York is facing, leading to many encounters with both old and new faces. A new set of siblings, a new set of circumstances - one big family coming together to face their greatest threat yet.
Heavily focuses on themes of learning to love oneself, forgiveness, overcoming trauma, and strengthening familial bonds. Features many Rise-ified characters from various iterations, insert artwork for specifc moments (chapters 18, 24, 31, 39, 50, and 76 currently), and is planned for four major arcs. Arc One spans chapters 1-18, Arc Two chapters 19-49, and Arc Three chapters 50-68. Arc Four is ongoing.
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Dangerously Yours by im_a_nerd83
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
29 Apr 2026
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Catherine was a teen living in New York City. She was any normal teen struggling to maintain all A's. She was any normal teen who hung out with her friend on the weekend, roaming the streets. Her plan was to graduate high school and then become a Marine Biologist, and that's where her story could have ended. Life had a different story for her, though. Catherine has now been living out on the streets and sewers of New York for the past two months, and she's not sure how much more she can take from this new life.
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Peace by BialyLis for alwerakoo
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
28 Apr 2026
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Summary
“He says his name is Jotaro.”
Leo gave him time to elaborate. He did it out of pure habit and maybe to spite himself, because Usagi never elaborated.
“Okay. And where are Jotaro’s parents?” he asked, waving his hand in the air to indicate he needed a little more.
Mikey and Usagi exchanged a second look, which already promised complete disaster, so when neither of them managed a response, Leo walked over to the table and leaned over the child.
“Are you lost? You need help?”
Jotaro didn't even look up at him, fully focused on sucking all his juice through the straw at once, and when the carton finally emptied, he gasped for air as if he'd just drowned.
Or;
Usagi is ready for a new challenge. Leo is NOT.Series
- Part 7 of Idiots in love
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Deity's Advocate by Ghost0fTheJungle
Fandoms: TMNT (2007), Teenage Mutant Ninja Turtles - All Media Types
16 Apr 2026
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Summary
During his two year journey alone Leonardo finds himself coming face to face with an unwanted welcome and he's taken to western Honduras, along the borderlines of Guatemala. Lost and eager to return to Costa Rica, he stumbles upon a lost ancient city frozen in time, in which a presence seems to call out to him.
Reaching out a hand to unknowingly and unwillingly offer his aid to the calls for help, he begins an unlikely alliance with not only a fabled God, but a village of his loyal followers. Who, in a turn of events, believe Leonardo to be the deity himself in the flesh.
Now he's found himself in a predicament where he's worshipped for a role that isn't his own, befriended by the only people who can help him though this troubling endeavour, all while he has to figure out just what this great God wants from him.
Because he only wants to return to his legacy back in Costa Rica, but it seems he has a duty to carry out first before he can go anywhere, whether he wants to or not.
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Stripes of the Past by Tatsuki_Vermillion
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
12 Apr 2026
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Summary
Whoever said “Scars heal”, obviously never had any. WOUNDS heal, but scars? Scars are permanent. They last for a lifetime… and sometimes beyond.
Series
- Part 1 of Teenage Mutant Ninja Turtles
- Part 1 of The Tiger and The Turtle
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live to let you shine by GibbousLunation, remrose, Soldraws, taizi
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
10 Apr 2026
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Summary
Gio had fallen into their lives at a point where the safety net had more holes than threads to hold. He was young, had the signs of a life hard won and fought through, but he tried. Absorbed absolutely anything his family would give him, even when it was nothing at all. Dark eyes, taking in any and all of the light he could just to find himself.
It was a tragedy in three parts just to watch him thrive off wavering candlelights and embers, wandering around the halls like a detective finding hints of some past crime.
Mikey squares himself. Finds that thread left in him that’s farther and farther away every day. Gio deserves the light, he can make some for him. He can.
Or: a series of standalone oneshots about Giorgio Hamato finding a home, getting adopted, and being loved back--not necessarily in that order. Set in both timelines.
Series
- Part 2 of the archer
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Mirai Dreaming Ninja Turtles by turtledove-darling (buriedwisteria)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
04 Apr 2026
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Summary
This was probably the closest one could get to peaked-as-a-teenager, burnt out former gifted kid syndrome when they were a mutant ninja turtle.
Sure, they'd defeated the Shredder and the Krang, but that was about 20 years ago. Ever since then its been nothing more than petty crimes and supernatural shenanigans and, well, that wasn't really fulfilling. At least, not anymore. No big bad guys, no more "save the world" schemes...
Not that Donatello wanted to save the world again, that was stressful and traumatic enough for everyone the first time. Well, he would if he had to, I mean, that's what superheroes do, right?
They don't just sit around trying to keep themselves busy, trying every hobby under the sun, waiting for that spark to come back, just going through the motions, letting themselves be miserable...
...right?
Thats what he thought until people started disappearing and someone started making new mutants.
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We’ll Always Have Your Back (Even if it's Not a Shell) by Celestial_Ghost
Fandoms: Teenage Mutant Ninja Turtles: Mutant Mayhem (Movie 2023), Tales of the Teenage Mutant Ninja Turtles (Cartoon 2024), Teenage Mutant Ninja Turtles - All Media Types
01 Apr 2026
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Summary
As the bullet collides with Leo’s right bicep in what feels like slow motion, for some reason all he has the ability to think is that it looks sort of…strange. Strange, because as it plunges into his skin, it injects not glowing blue, but…purple. If it is a de-mutanizer, it’s a different color than he remembers.
The shock of it makes him stumble. Deep in his core, he feels the chemical begin to force him to change.
“What did you do to me?” He says, eyes going blurry as he sinks to his knees. He can feel his bones rearranging beneath his skin, he feels his body shrink in on itself as he becomes smaller. He feels weaker. “What did you do?” He can barely look at Kendra, but his eyes find her and she’s smiling in a sickening way.
“I fixed you, freak. You’re human.”
AKA: leo gets turned into a human and doesn't like it.
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Turtle in a Dumpster by Sleepy_Stripes
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
31 Mar 2026
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Summary
A monster-lover finds a strange creature in a dumpster and makes the irrational decision to drag it up to her apartment. What could go wrong?
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Lost Years by TheNamelessones
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
27 Mar 2026
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Summary
if leo had the time to tell his family he loved them he would have told them. if he was stronger he would be with them, but nothing ever goes the way he wants.
- this is a story made on a "what if" leo made it out of the prison dimension on his own but ended up somewhere else in time, and meets those that know "him" well.
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Geeky chemistry by TheLocal_Dork
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
12 Mar 2026
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Summary
Donnie starts developing feelings for a close friend and doesn't know how to deal with this new feeling for a friend little does he know his friend feels the same. watch them both suck at feelings in this fanfic i might give up on!
btw luka is my oc and he is a male black cat yokai!
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Hey, Pretty Boy by AchiiillesHeel
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
10 Mar 2026
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Summary
Leo gets approached by a tall yokai lady who offers him a modeling gig. His brothers don't think it's a good idea but Leo being Leo does it anyway! Everything seems fine and dandy. He gets to be the center of attention, makes bank, and has a ton of fun modeling. So when things go sour, leading to him being sold on the yokai equivalent of a black market, he starts thinking that it may not have been a good idea.
A doodle I did out of boredom turned into this story. No, I am not okay
Chapters written: 70
Chapters posted: (68/?) -
Devil's mission by TooFanaticDreamer
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
28 Feb 2026
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Summary
“Who are you and how long have you been watching us?” His growl is a clear sign that this is not going to go well.
“I didn’t plan to watch you,” he says calmly and politely, as if it were the most normal thing in the world.
“But you did watch us. Why?” He points his tech-bo at him.
“I… I-”
“Come on, spill it before I get even more angry, foot.” He took a step forward.
“What? What foot? Look, I’m not here to-”
“Why else would you be watching us, hm?”
“I wasn’t watching you.”
“You were.”
“I wasn’t.” He took a step back.
“But you did.”
“I didn’t!” For the first time in years, he raised his voice, and it came out more broken than he had intended.
♦️♦️♦️
Separated au, where Leo is raised in the nether world by the royal family. Things don't go well in the nether world, and his life is not as luxurious as anyone would expect.
Eventually, however, Leo finds himself in the world where he belongs. With the truth hidden deep in an unknown world, Leo must deal with it in his own way. His peace, joy, and harmony fueled by lies are eventually disrupted by a stranger about whom he doesn't have a very good feeling.
How far will his lie go? -
Teenage Mutant Ninja Turtles by BimboSlut20
Fandoms: Teenage Mutant Ninja Turtles (Bay Movies)
23 Feb 2026
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Summary
A long awaited fanfic of the Bayverse turtles! This story explores the lives of the turtles following the events of both movies with added drama such as a love triangle between Raphael, family friend Komodo dragon and Turtle Hybrid Monet and team leader Leonardo
- Language:
- English
- Words:
- 1,445
- Chapters:
- 1/?
- Kudos:
- 1
- Hits:
- 35
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In plain sight by Matrixey
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), TMNT (2007)
19 Feb 2026
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Summary
PREV: How to find Adolescent, Genetically altered, Martial artists who may, or may not, be tortoises. No borax no glue.
Katya has left the dangerous life of an active agent, trading combat boots for house slippers and sleepy domesticity. She has everything she could ever want, A loving partner, an angel for a son and a way to earn her living that lets her pretend being an agent isn't engrained into her soul, that the payqheuqe at the end of the month isn't proof of service. But a gold cage is still a cage and this cat needs out.
Neil is excited by the glitz and glamour of being an agent. He's heard the stories, seen the scars and knows first hand that the company makes everything better. So when his uncle eludes to a new York trip to find mutant turtles he begs him to let him go. He knows he can handle himself and his mama was going to missions at his age, what better way to prove himself? One secret mission to New York (and a few mutant turtles later) makes him start to wonder what "good" really means.
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I Was Never Meant to Fly. by Munchkin_369
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, TMNT (2007), Teenage Mutant Ninja Turtles (Bay Movies), Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles (TV 2012)
16 Feb 2026
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Summary
From the author of "The Winner Takes It All (the Loser Has To Fall)"
“A leader who can not lead is nothing more than a dog.” His father had said to him, before sending him to the jungle of all places to leurn how to be a better leader.
Leo could have never expected to get kidnapped. He could have never expected to be forced into this kind of situation.
And what the heck does ANY of this have to do with the 'Hamato' Clan?"Read this to see just how much one person will do to save the person he loves.
And I can garante you that it's not about who you think it is.Series
- Part 1 of Leonardo has a hard time :(
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The Cost of Freedom by Preciousexsorsist
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
14 Feb 2026
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Summary
He grabbed the laptop she held tightly, attempting to rip it out of her hands, but she pulled it back with fury. “Just give me the laptop, Casper!” Donnie said in a struggling tone. “No!” Casper yelled out, tugging the laptop back towards her. Leaving Donnie with no other choice, he grabbed the laptop, ripping it out of her hands, but as he did, Casper's necklace got caught in his grasp. And as it was pulled off her neck, the illusion broke. It was no longer Casper the tech thief standing there. Instead, it was Meadow.