1 - 20 of 38 Works in Angry Leonardo (TMNT)
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Shadows of the Hamato by Magisav
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
05 Oct 2025
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A year after the Kraang invasion, Leo still struggles with his failures and the weight of leadership. Determined to grow stronger, he makes the painful decision to leave for Japan, training to become the leader his family deserves. But after a year, a deep unease stirs within him through his ninpo. He returns home—only to find the lair in ruins, his family gone, and the Foot Clan's insignia flying over what was once their home. Believing them dead, Leo wages a ruthless one-man war against the Foot, hunting them relentlessly.
But his family is alive—held captive by Shen, the new, ruthless leader of the Foot. A cunning and powerful mystic, Shen seeks to steal the Hamato Clan’s ninpo, intending to ascend beyond mortality and reshape the world in her image. With the Foot under her control and power within reach, she will stop at nothing to claim what she believes is hers.
Unaware of the full extent of her plans, Leo has one goal: to destroy the Foot and make their leader pay.
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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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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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Don't Think Twice, It's Alright by unlaikaly_occurence
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
01 Aug 2025
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Leonardo wishes to reunite with his brothers after a terrible future, but is given one last task before he is granted peace.
Leo has spent the past two months rebuilding his home and his family, but one thing is in his way.A mandatory Future!Leo fic with hopefully enough distinction to be both unique and entertaining! Stay tuned for regular updates, although I can't promise a schedule quite yet!
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A Brother’s Concern and Comfort by RyochanWolfgirl
Fandoms: Teenage Mutant Ninja Turtles (TV 2003), Teenage Mutant Ninja Turtles - All Media Types
07 Jul 2025
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Summary: Leo’s family has been growing more and more concerned about him ever since their final battle with the Shredder. His anger is becoming more apparent and he’s becoming more aggressive in their patrols and training. Mikey’s been trying to get him to open up but Leo keeps insisting that ‘he’s fine’. Can he get through to Leo or will he make it worse?
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Have You Tried Turning It Off and On Again by yellowhollyhock
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, TMNT (2007)
15 Jun 2025
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Donnie always imagined that after Leo came back, everything would be okay again. Instead, his friendship with Raph stays rocky, his schedule gets even harder to manage, it still feels like he's the only one looking after Mikey and now there's a stranger living with them. It's getting hard to imagine how he could get any more stressed.
Then he wakes up with an awful headache, restrained, in an unfamiliar laboratory. Being restrained or experimented on would be bad enough on its own. Add to the mix that lying on the lab table for days and weeks is the first chance he's had to process everything else that's happened in his family--well, it's not a happy mix.
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Before the Snow by TheNextAuthor
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Zootopia (2016)
24 May 2025
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Raph, Mikey and Don are missing. It is up to Zootopia's finest officers to crack the case. With a little help from a Higher Up of course. *Nominated for best crossover by TMNT Fan Choice Awards*
Edit 5/24/24- I'm a sucker for finishing things. Guaranteed this won't go into the trilogy I intended but I thought at least I could get this done. This is taken from my fanfic account with my teenage writing for show. Promise it's a lot better now.
Series
- Part 1 of Time Trilogy
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I Just Want To Be Happy Again by TmntXSonic2003
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2003)
02 Feb 2025
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Now in Japan, Leo has begun his journey to find the Ancient One, the sensei of Hamato Yoshi, and someone who Splinter believes can help him with his trauma. But his journey would end up going in a direction he didn't anticipate.
Based on the 2003 series and is a rewrite of the episode 'The Ancient One', except it's more serious in tone. It's also a follow-up to my 'You'll Never Understand My Pain' and 'Alone On A Ship' stories. Warning: Violence and dark themes.Series
- Part 14 of 2003-Verse
- Part 13 of Pre-Multiverse
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So evil ones should get a little more by NerdyBoiYeet
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
26 Nov 2024
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Leo is done.
His family doesn't love him, and he's tired of being a scapegoat.
His family doesn't want him by their side? Fine. But let's see how they do when he's against it then.
Series
- Part 4 of Villain Leo
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A (small) fight of Red and Blue by Justanotherfanficgirlie
Fandoms: Teenage Mutant Ninja Turtles: Mutant Mayhem (Movie 2023), Tales of the Teenage Mutant Ninja Turtles (Cartoon 2024)
11 Sep 2024
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It's been two years since the Superfly incident and the boys have finally recovered. Well. Most of them at least. Leo had always been the anxious one, never breaking rules, scolding his brothers, and never wanting to try new things. But now? Leo was anxious about himself. He didn't like the bubbling feeling he got when Raph and the others teased him. The urge to just punch him and tell him to shut up was something he was ashamed of thinking. And yet it happened over, and over again. The same boiling feeling. The same anger that might just push him away from his family.
PT.1 of the angry Leo series! (The stories won't be connected but all include Leo having a temper similar to Raph's)
(This isn't written in the POV of Leo, but the wording is influenced by him. So if he is annoyed by something the text would say "and that same annoying beeping noise every five fucking minutes" instead of "the same beeping sound every five minutes".)
Only "warning" is cussing igSeries
- Part 1 of Angry Leo
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Blackmail by Firefly026
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
26 Jul 2024
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Donnie has a talk with Leo. It doesn't go the way he planned.
Series
- Part 6 of Villain Donnie AU
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am I bad, am I bad, am I really that bad? by NerdyBoiYeet
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
05 Jul 2024
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Leo was trouble.
Constantly being scolded, yelled at, and punished for all the trouble he constantly caused.
He just couldn't remember the last time it was actually him that caused it.
But he was labeled trouble.
Maybe that was why it was so easy for the others to blame him for it.
Series
- Part 3 of Villain Leo
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The only ones in need of love are those who don't receive enough by NerdyBoiYeet
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
30 Jun 2024
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Splinter has never been the best father. But each of his sons have at least one find memory of him, of something he did for him.
All except one. Leonardo.
He attempts to fix what he's done wrong. To set things right.
It doesn't go as planned.
Title from "Laplace's Angel (Hurt People? Hurt People!)" By Will Wood
Series
- Part 2 of Villain Leo
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A Cancer by TmntXSonic2003
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
22 Jun 2024
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Several weeks have passed since Leo was appointed leader and his relationship with his big brother, Raph, has never been worse. Arguments, disagreements, insults, and screaming matches became the norm, much to their family's dismay. But things soon escalated to the point where Raph went too far with his words, calling his younger brother something he would regret for the rest of his days.
Based on the 2018 series. Takes place after the Season 2 finale and is a follow-up to 'Accepting Change'. Warning: Language.Series
- Part 10 of Pre-Multiverse
- Part 9 of Rise-Verse
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The Journal of Hamato Leonardo (1) by Slady
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
26 Mar 2024
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2012 “Teenage Mutant Ninja Turtles”
Daily updates for each episode of Season One from the perspective of the turtle team leader Leonardo.
Series
- Part 1 of 2012 The Journal of Hamato Leonardo
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He Is Different by Tbmtns
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
27 Jan 2024
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5 times where Donnie was "outed" as autistic, and once he "outed" himself. Or 5 times Donnie's family told someone else that he is autistic, and one time Donnie told on his own.
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A good crying by Tbmtns
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2003)
23 Dec 2023
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Donnie goes alone to a junkyard and gets injured, his brothers rescue him and bring him home.
*Warning - The turtles here are in a relationship in this srory. But there is no sex scene or anything like that. But there is a mention of the word sex. And there are kissing.
Series
- Part 2 of TMNT Relationship Life
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To Feel Safe by Sunset_And_Beyond55
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
11 Dec 2023
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If you would ask Leonardo how his month has been, hectic would be a good answer.
Leo’s hand strongly gripped the counter, eyes looking down at his battered body. Because they won, didn’t they? But Mikey’s arms won’t stop shaking, and Donnie grips his shell as he sleeps at night and Raph-
The slider curls up his fist and thuds it on the table because he shouldn’t feel afraid, and he knows his brother won’t hurt him but-
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If you ask Leonardo how he was coping after the invasion, he would say he’s been fine. But he can only tell himself this for so long before he reaches boiling point, and where his fears catch up to him. -
don't go crying to your mama (cuz you're on your own in the real world) by goldenspecter for halfhimbo
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types
20 Nov 2023
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Leo's not his brothers' mother. Leo DOES NOT want to be his brothers' mother. Unfortunately, Leo cracks under the pressure and an all-consuming, seething rage.
"We already have a mom, Mikey," teases Leo, deftly sliding his arms out of Mikey's arms. "The mutagen canister, remember?"
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Lair Games Aftermath by TmntXSonic2003
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
21 Oct 2023
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After 5 years of being dead last in the annual Lair Games, Donnie, against all odds, beat Leo to win the event. But his celebration wouldn't last long, as he received a punch to the face from his humiliated brother.
Based on the 2018 series. Takes place immediately after the 'Lair Games' episode and after Disaster Twin Convo but before The Purple (And Blue) Influencers. Warning: Language, minor violence, and suggestive content (Splinter's lack of clothing).Series
- Part 6 of Rise-Verse
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Just Words by Bubbly_Kandy
Fandoms: Teenage Mutant Ninja Turtles: Mutant Mayhem (Movie 2023)
14 Oct 2023
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Summary
Leonardo doesn't know what to do with his newfound anger, and it scares him.