1 - 20 of 146 Bookmarks by Definitelyaperson
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This gave Grian time to observe him in more detail. Other than his paleness he appeared to look normal, except for one thing.
His eyes.
Deep red looked into his own pitch black. They were wary, as if trying to read everything about Grian from one glance. He hadn’t ever met anyone with red eyes before, Grian mused. It was an odd sight. There was something else off about Mumbo’s eyes as well, but he couldn't quite place what it was.
“So– uhm,” Mumbo cut off his staring, having taken on a red flush, “you need a place to stay?”
Grian nodded hastily, “If you’d be so kind then yes, please.”
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A.K.A. Grian accidentally enters the humble abode of a multi century old Vampire.
Bookmarked by Definitelyaperson
07 Dec 2025
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Lost and Found by SilkNettle
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
14 Feb 2026
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Summary
.
“What do you mean? Who’s your sensei then?” Mikey asks.
“Master Leonardo!”
“Who?” Raph asks, bewildered.
“We don’t know anyone by that name.” Donnie adds with a raised brow, everyone nodding in agreement.
Casey blinks at them, utterly baffled.
“But Master Leonardo… is your brother.”
A pause.
“OUR WHAT?!”
.
In one world, four brothers grew up together.
Lived together, fought together, saved the world together.In this world, one grew up all alone, the other three none the wiser.
It takes a living spoiler warning come back from the future to bring the truth to light..
Series
- Part 1 of Round the River bend
- Language:
- English
- Words:
- 85,355
- Chapters:
- 13/14
- Comments:
- 528
- Kudos:
- 533
- Bookmarks:
- 105
- Hits:
- 11,057
Bookmarked by Definitelyaperson
29 Oct 2025
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Operation: Undercover by Celestial_Ghost
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types, Samurai Rabbit: The Usagi Chronicles (Cartoon)
21 Feb 2026
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The rabbit seemed to snap back into focus, eyes back onto Leo’s. “Sorry, I'm bad with long speeches. Could you summarize for me?”
Leo squeezed his snout between his fingers, exasperated. “I need to see you again in a couple days.”
“Like a date?”
“Yes, like a–” Leo looked up frantically, blush spreading across his cheeks. “No, not like that! I'm worried about the severity of your injury!” He looked away again. “Look, is there somewhere we can meet so I can make sure you won't die from this?!”
“Wait what's your name?”
AKA Leo goes undercover as a battle nexus medic to try to uncover one of Big Mama's plots, but ends up treating a cute rabbit yokai instead
Series
- Part 1 of Operation Undercover
Bookmarked by Definitelyaperson
19 Oct 2025
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It's not just a curse, it's a damn death sentence by GeekyMcGeek
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
23 Dec 2025
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After a mishap in Witch town surrounding Donnie's connection to it, Leo pays the price and is cursed.
At first he seems to be fine, no visible injuries or any sign of a curse actually being there. However, after a few days he falls ill, and it just gets worse from there...
Turns out he was hit with a "life draining curse". The spell is meant to slowly drain the life out of its victims until their body is unable to support itself any longer.
Will Donnie and the rest of the family be able to find a cure?
Or is Leo's last breath, approaching faster than any cure can prevent?Bookmarked by Definitelyaperson
09 Oct 2025
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Craving You by Kermittheturtle
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Samurai Rabbit: The Usagi Chronicles (Cartoon)
14 Jan 2026
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Summary
It was quiet. Far too quiet. Leo had always hated this type of silence.
~
Leonardo and the turtles hunted the demons that prowled NYC,
But what happens when Leonardo becomes one of them?Series
- Part 1 of Vampire Leo au
Bookmarked by Definitelyaperson
19 Sep 2025
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Oh My Carnation, Curse This Reincarnation. by Idea_Writes
Fandoms: Sonic the Hedgehog - All Media Types
05 Oct 2025
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Shadows life is dull and empty now that everyone he cares about is long gone. He has to spend his and Sonic’s anniversary all alone again. So imagine his suprise when said hedgehog walks up behind him!
Bookmarked by Definitelyaperson
12 Sep 2025
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indigo sunsets by IncrediblyOrdinary
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (IDW Comics)
22 Feb 2026
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Sonic is the beloved sheriff of a small town in Frontier Canyon: a place he now calls home. His quiet life on the range is rudely interrupted, however, by the appearance of a dangerous outlaw.
Bookmarked by Definitelyaperson
03 Sep 2025
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Sonic blinks into existence on an unfamiliar beach and quickly finds out he's not the only Sonic around. There's another Shadow, too.
Bookmarked by Definitelyaperson
02 Sep 2025
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Guess that's one way to come back in style by Bleusprinkles
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
26 Aug 2025
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Leonardo goes missing for an entire month. No tracker, no goodbye, no nothing. He just disappeared.
After what seems like forever searching, one night, he just comes back! He may not remember where he was that entire time, and he may just blatantly deny being gone (even when presented with ample evidence), but at least he's back, right? Right?
Things get complicated when he starts acting differently too.
Bookmarked by Definitelyaperson
27 Aug 2025
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found the place to rest my head by orphan_account
Fandoms: Sonic the Hedgehog (Live Action Universe)
13 Sep 2025
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Summary
Shadow clutched at his mask with one hand. His eyes were looking down to the floor and his shoulders were trembling. He was terrified. And he wasn’t fighting or fleeing, just bracing himself for the retribution he thought was coming.
Tom approached slowly. Shadow refused to look at him.
“Hey,” Tom said gently. He knelt by the couch, making himself smaller and less threatening. “You don’t have to look at me if you don’t want to. I’d like you to listen to me, is that okay?”
or
Sonic responds to a GUN report about an object falling from space, and goes to retrieve what he expects to be Shadow's corpse. Instead, he finds an alive Shadow who needs a lot of help to get back on his feet. Thankfully, he knows a safe place to rest.
Bookmarked by Definitelyaperson
07 Aug 2025
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Of Little Paws and Promises by Emmie (EM20)
Fandoms: Sonic the Hedgehog - All Media Types
25 Jan 2026
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If you were to tell Sonic this was how his day would end, he never would have believed you… probably would have laughed and thrown out a “Yeah, sure, bud.”
But here he is — lying down with a clinging hoglet wearing his chili dog t-shirt, pressed to his chest, letting out soft snores and purrs.
It’s insane… One moment he’s carefree, scoping out an abandoned G.U.N. base with Grouchy Shadow — the next, he’s a dad to a lab-made hoglet using his and Shadow’s DNA of all people? Yeah. Crazy day.
Looking back on it, and how much it’ll change him and everyone around him, he can’t say he regrets his decision that night.
But right now, he doesn’t know that yet. All he can think is: “What am I supposed to do now?” as he pulls the blanket over the two of them for bed.
~
Or: A Sonadow fanchild AU I came up with because I really wanted to write a slow burn with a LOT of fluff. It might start out angsty (especially with Shadow the Dumbass — but he’ll come around), but trust me, it’s mostly just found family fluff and Sonic learning how to be the best dad possible with help from his friends.
Granted, with lots of bumps along the way.
Bookmarked by Definitelyaperson
07 Aug 2025
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Can't say it but I'll show it by hyperfantasies
Fandoms: Sonic the Hedgehog - All Media Types
16 Sep 2025
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Summary
3 times that Shadow cares for Sonic indirectly
And
1 time that he's directOr
Shadow cares about Sonic, the Shadow way.
Bookmarked by Definitelyaperson
06 Aug 2025
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us in another universe by cybertyler
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
12 Oct 2025
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Summary
Sonic can remember all of his alternate lives. He can also remember that in every single one, he’s been murdered just shy of his twentieth birthday by Shadow, a supernatural being linked to his soul who follows him through every life.
The problem is that he’s quite fond of the life he’s in now, and his little brother Tails needs him in order to stay alive. If Sonic wants to save his brother, he’ll have to find the omniscient devil who has hunted him in every other timeline before he finds him first. This time, Sonic is determined to figure out why he’s being hunted and finally break their curse, and try not to fall in love… again.
*** ON HIATUS ***
Bookmarked by Definitelyaperson
03 Aug 2025
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What do you do when you find a discount offer on a week-long cruise resort just for married couples? Ask your friends if they want to pretend to be married and make a fool out of the organizers!
Sonic, whose friends are traveling around the world and unavailable for such an opportunity, ends up calling his everlasting rival: Shadow the Hedgehog.
Bookmarked by Definitelyaperson
27 Jul 2025
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Because without light, there’s only darkness by vanillyelatte
Fandoms: Sonic the Hedgehog - All Media Types
17 Sep 2025
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Summary
After Shadows experiences with black doom, being forced to relive a horrific moment of his life, he finds himself not dealing so well.
Surprisingly, he finds comfort in someone he never thought he would.
Bookmarked by Definitelyaperson
25 Jul 2025
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Something Borrowed / Something Blue by Poppyseeds_and_CoffeeBeans
Fandoms: Sonic the Hedgehog - All Media Types
28 Jul 2025
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Summary
For their official second date - Sonic brings Shadow to his friend's overly fanciful wedding.
Between unexpected guests and torrid gossip, could this wedding go off without a hitch?
Will Sonic and Shadow make it through the ceremony when they're craving far more than a slice of wedding cake?Series
- Part 3 of Hungry Eyes
Bookmarked by Definitelyaperson
16 Jul 2025
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Sonic: RESET by shadowmp4
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
16 Feb 2026
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Summary
The world was falling apart — cities in ruins, friends gone, hope running out. Sonic the Hedgehog thought Project RESET was their last chance to make it right.
It was supposed to fix everything: the bloodshed, the losses, the collapse of everything that mattered.
Instead, it rewrote reality… and left him alone with the memory of what came before.
Well — not completely alone.
Because the only other person who remembers the old world is Shadow the Hedgehog.
And together, they’re going to burn this new one to the ground.
Bookmarked by Definitelyaperson
05 Jul 2025
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Everyone knows when it comes to Soulmates, humans have each other’s names tattooed on them, foxes can’t lie to each other, dogs can scent each other and hedgehogs' quills can’t hurt one another
Except for Shadow. All he knows about soulmates comes from the rom-coms Maria used to make him watch.
“What the hell?” he raised a brow as he regarded Sonic from atop a pile of his fallen enemies (ever the dramatic,) “what type of weak hedgehog are you! Your quills are softer than my fur.”
Sonic froze.
What did Shadow just say–
Sonic’s quills were…soft to him?
AKA Shadow is clueless, Sonic is scared, and their friends hold the braincells
Series
- Part 1 of Oh My God, They Were Soulmates
- Part 6 of So I Write Soulmate AUs
- Language:
- English
- Words:
- 8,368
- Chapters:
- 9/9
- Collections:
- 1
- Comments:
- 121
- Kudos:
- 585
- Bookmarks:
- 63
- Hits:
- 7,169
Bookmarked by Definitelyaperson
21 Jun 2025
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Ink-Stained Hearts by Frogswim
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (Live Action Universe), Sonic the Hedgehog (IDW Comics)
18 Aug 2025
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Summary
What would you say if you could be truly anonymous?
Would you confess your feelings? Be honest in a way you’ve never been before? Let your guard down?When Sonic and Shadow join an anonymous pen-pal program, they’re both just looking for a harmless distraction. What they don’t realize is, they’ve been paired with each other.
Under pseudonyms, they open up in ways they never have before. Things get realer than either of them anticipate.
But what happens when the truth comes out?Will it bring them closer, or break the fragile trust they’ve built?
Tune in to find out. <3
A dash of Slice of life, Sonadow, Sickfic, and good ol' angst.Bookmarked by Definitelyaperson
18 Jun 2025
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The Engagement of Prince Shadow and Prince Sonic by GhostyBabey
Fandoms: Sonic the Hedgehog - All Media Types
20 Feb 2026
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Summary
Prince Sonic has been leading the Freedom Fight against Black Doom's empire for years. When his mother, Queen Aleena, orders Sonic to go to the coming-of-age ceremony of Prince Shadow with the hopes of an engagement, Sonic is horrified. He's more horrified to learn that the Queen wants him to assassinate the other prince. Sonic is determined to find another way to protect his people, but with the looming threat of a mysterious power source Doom is rumored to be in possession of and General Infinite entering the scene, Sonic may not have a choice.
Prince Shadow plans to overthrow his father, Emperor Black Doom, who has been neglecting their people for far too long. When the Prince of Mobotropolis appears at his coming-of-age ceremony, Shadow is presented with a unique opportunity. Prince Sonic is an unpredictable variable, but one that may help Shadow achieve his goals, in the end.
Neither of them plan to fall for each other in the process.
Bookmarked by Definitelyaperson
09 Jun 2025