21 - 40 of 181 Works in Leonardo Angst (TMNT)
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Got any coffee? by its_ya_theater_girl
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
23 Aug 2025
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Summary
Look Leo really just wanted some coffee, he wasn't expecting to get summoned to some dark universe to deal with a villain they couldn't.
Honestly this dimension traveling stuff was getting old, but at least there was coffeeOh freak is that the kraang?
OR
RISE!Leo gets summoned to the 2012 verse -
The Crescent’s Ascent by Abbie_Lauren2024
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
22 Aug 2025
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Summary
When Big Mama poisons Leo and causes him to lose his memory, chaos ensues as she strives to convince him that she is his mother. What started out as an attempt at a new Nexus champion quickly spirals into an unhealthy obsession, and Big Mama will do anything to make sure her precious Crescent never even wants to leave.
Meanwhile the brothers search frantically for their leader in blue, but will they be too late? Will they be able to find Leo and restore his memory before he is too far gone? After all, there are already things Leo has been hiding…
Series
- Part 1 of Chronicles of Crescent
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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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Michelangelo Discovers Weed (and likes it) by Andrias_Scheuchzeri
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (IDW Comics)
13 Aug 2025
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Summary
Michelangelo is a turtle that's like a magnet to all kinds of messed up substances and drugs.
Since a young age, he would eat whatever was in front of him, was it edible or not: worms and algae, chewed gums on the ground, Donatello's dangerous chemicals (that somehow smelled so, so good), Ice Cream Kitty's neapolitan flavored fur, gummy bear and pepperoni pizza, the Dimension X worms' juice, you name it.Somehow he was still alive.
Donatello theorized that it might be because of the mutation.
Leonardo hesitantly said that it's kind of a talent.
Raphael simply stated that he's just as careless as lucky.
And Michelangelo himself didn't really care as long as he had something to eat.Then, it became a problem when he started getting into his system things that would, in fact, affect him greatly.
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Journey of the Blue Flame by Purpleandbluelove24
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
10 Aug 2025
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Summary
Leo feels like he is not living up to expectations after the Krang invasion. So, one night, he slips out unnoticed and runs away to Japan for two years to try and become a better leader. A better brother
Meanwhile, the family tries to search for Leo but end up losing hope after a while and Donnie is left to grieve the lost of his twin, unaware that Leo is alive and a thousands miles away from him
Series
- Part 29 of I love the disaster twins
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Teardrops by DaydreamingInFebruary
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
05 Aug 2025
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Summary
During the movie, Donatello reflects on his brother’s ultimate sacrifice and presumed death.
[SET in a DIFFERENT REALITY!]
Series
- Part 1 of *TMNT* Stories (Subseries)
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Just Mine All Mine by Enchantix_Warrior
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
02 Aug 2025
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Summary
Leo was sick of having to share everything with his brothers. His hoodies, his comics, his personal space; even his medical equipment sometimes went missing!
Yet, they kept calling his selfish and inconsiderate, despite all of the sacrifices he had made over the years all for them. Speaking of privacy, those years of learning to hide his thoughts were starting to pay off, since now no one could tell when he was deceiving them, or keeping secrets of his own.
So, of course he can't be blamed when he discovers a secret room underneath the lair, one that he can own and have all to himself.
Or, Leo finds a new room that he then owns and keeps a secret of for years, until his brothers start questioning his disappearance.
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Rabicica by LilCrewGoo
Fandoms: TMNT - Fandom, TMNT (2007), Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles (TV 1987), Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles (Mirage Comics)
02 Aug 2025
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Summary
An infectious, deadly, unknown virus starts to spread across the TMNT multiverse.
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Back from The Edge by SmidvargAndTheGang80082
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
01 Aug 2025
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Summary
After the Krang invasion, Leonardo is left scarred and reserved, a shell of his former self. He tries desperately to keep his confident front alive, but can he even handle that?
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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.
~~~
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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Summary
I've read fanficts where Leo gets sent to another universe after mikey fails to get him out of the Prison dimension... but what if he ended up in the twilight realm at the last split second of mikeys portal? What if he wound up taking Karais place a little? Would he did? Would karai live or follow her fate?
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Anytime by Windify
Fandoms: Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles - All Media Types
31 Jul 2025
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Summary
“We talked about it, once,” Mikey said quietly. “About Usagi, I mean. He said he was glad he had a friend like him, because he felt like he didn’t need to hide anything.”
Or: Usagi asks the mutant family for their permission to court Leonardo. It escalates from there.
Series
- Part 27 of The Katana Chronicles
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Summary
𝘈𝘯𝘥 𝘸𝘩𝘰 𝘬𝘯𝘰𝘸𝘴 𝘸𝘩𝘪𝘤𝘩 𝘪𝘴 𝘸𝘩𝘪𝘤𝘩
𝘈𝘯𝘥 𝘸𝘩𝘰 𝘪𝘴 𝘸𝘩𝘰
𝘜𝘱 𝘢𝘯𝘥 𝘥𝘰𝘸𝘯
𝘈𝘯𝘥 𝘪𝘯 𝘵𝘩𝘦 𝘦𝘯𝘥
𝘐𝘵'𝘴 𝘰𝘯𝘭𝘺 𝘳𝘰𝘶𝘯𝘥 𝘢𝘯𝘥 𝘳𝘰𝘶𝘯𝘥, 𝘢𝘯𝘥 𝘳𝘰𝘶𝘯𝘥.Leonardo is captured by Shredder, his mind twisted and manipulated until he himself is the only villain he can see.
Series
- Part 47 of One-shots
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Never Meant It by Purpleandbluelove24
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
24 Jul 2025
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Summary
An argument breaks out between the twins and Donnie saids something that he never thought he would say. Leo runs off crying, his heart broken. Donnie is also heartbroken over what he said. Can the twins find their way back to each other and mend their broken hearts?
Series
- Part 30 of I love the disaster twins
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Shadows of the Past by Goppy_gabs
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types, Samurai Rabbit: The Usagi Chronicles (Cartoon)
21 Jul 2025
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Summary
After the krang invasion, Leonardo feels an overwhelming guilt for almost destroying the whole world and his family.. with his newfound trauma and still healing injuries, Leo struggles with being himself again weeks after the attack; he runs away from his family to deal with his depression on his own and is missing for months while his brothers frantically search for him.
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the Mark of Failure. by Kalopsian_turtlez
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2003)
16 Jul 2025
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Summary
Leonardo starts to reflect on her scars and what they mean to her. She doesn’t see them as mere wounds, nor as a story of her survival.
All she can see is Failure.
Series
- Part 46 of One-shots
- Language:
- English
- Words:
- 595
- Chapters:
- 1/1
- Kudos:
- 6
- Hits:
- 97
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In The Language Only We Know by Purpleandbluelove24
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
02 Jul 2025
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Summary
When they were turtle tots, the twins have their own language using their turtle noises. It was something special that only the two of them did. Now that they are older, they don't do it as much. Until one day when Donnie gets overstimulated and has a meltdown, unable to form words and using noises that he haven't made in years. Raph and Mikey are unsure on how to help Donnie or communicate with him. Older twin Leo to the rescue!
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Three times that Leo communicates with Donnie using their long unforgotten secret language and helps calm Donnie down...and one time that the roles were reverse and Donnie returns the favor
Series
- Part 23 of I love the disaster twins
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Fractured Half by Purpleandbluelove24
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
30 Jun 2025
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Summary
Leo gets hit with a memory spell. But this ain't just no ordinary memory spell. According to Draxum, the spell is refer to 'Love-Me-Not', which makes the cursed person forget the person who they love the most. Unfortunately, that someone is Donnie. Donnie must get past his grief and loss to help Leo remember him, but that is easier said then done
Series
- Part 20 of I love the disaster twins
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And An Eternity More by Magisav
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
29 Jun 2025
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Summary
Leo's time in the Prison Dimension continues...
Series
- Part 3 of Echoes of the Lost
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Red-Eared, Silver-Tongued by DuskEverlasting
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
25 Jun 2025
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Summary
The four intruders were standing near each other at the outskirts of the lab. Apart from some minor scuff marks and scratches marring their features, they seemed in decent shape, ready to attack in a moment’s notice. Yet their forms were sloppy. Amateurish. The weapons held by three of the four were stolen from Draxum’s stash, which Leo knew only because he’d originally stolen them in the first place.
Little details that paled in comparison to one glaring thing.
Oh, Leo thought. They survived.
The Separated AU as a slow burn found family and Leo angst fic.