1 - 20 of 45 Works in Doom Morph Transformation (Sonic the Hedgehog)
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"Shadow, please," Sonic begged, arching into the tight hold that writhed over his body, big eyes pleading up at him, "please, Shads, I'm dying. I need you."
Sonic fights Shadow for a chaos emerald. Shadow unintentionally learns his Doom Powers never went away.
Series
- Part 2 of Top Shadow September 2025
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Collection of stories following Hellbound's Top Shadow Week prompts
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Sonic takes a job working on a ferry out of desperation.
A monster drags him overboard.Series
- Part 1 of CJ's Top Shadow Week
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Sonic finds out that the myths of a kraken may actually be fact instead of fiction—if it is truly the kraken who saved him from drowning, that is. Not that it matters. Sonic gives his savior his very own special name and teaches him everything and anything there is to know on the dry land… Though, some things on the dry land don’t end with them being all that dry for much longer.
Or, Sonic and Shadow find release… in all definitions of the word.
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Sonic Awakening by aloftinthebreeze
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (IDW Comics)
21 Sep 2025
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Four months after the War ended, Sonic finds himself waking up in Tails' bed without much memory of the prior night. He discovers that, thanks to Rouge, he and Shadow finally spent a night together, after circling one another for years. The pair can finally be honest with themselves and each other, admitting and commiting to the feelings they've harbored for so long. Just as soon as Sonic admits to Shadow that he remembers nothing of their first night together, that is.
Meanwhile, the Doctor is digging up ancient evils again. The team understands the stakes too late and Sonic is once again separated from them. Shadow and team must recover him once again while dealing with a menagerie of threats, chief of whom seems not to be ancient, but very much modern. Sage, Dr. Robotnik's fully autonomous generalized artificial intelligence agent, is rapidly gaining strength, influence, and complexity. Faced with a foe without a body to destroy, will the team be able to save the planet before it is too late?
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Plot Centric Adventure/Suspense Story with occasional heavy spice and occasional graphically violent action sequences.
Complex multi threaded narrative
Knuxouge SubplotCurrently in Arc 2 of 3.
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To the Waves, We Return by EmmaSmoke
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (IDW Comics), Sonic Prime (Cartoon 2022)
20 Sep 2025
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After the vagabond Sonic gets into legal trouble with Clean Sweep Co., he's hired to be a janitor (blackmailed into being a spy) for Spagonia University, specifically the wing that deals with the merfolk. Despite their violent nature, Sonic starts developing a bond with the sea creatures, particularly Nine, the one who looks like the brother Sonic lost. Even stranger than that, he's also forging relationships with the workers at the university and the people connected to them.
But the truth of who he is will come out eventually, and the fallout might be impossible to handle if he doesn't figure out Clutch wants in all of this.
Or, Sonic teaches merfolk how to belong while also learning this lesson and how to healthily deal with his own grief
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He wasn’t a guy who was so easily scared, much less of Shadow, but… Somehow, Sonic felt goosebumps trailing through his body, as if some instinctive part of him felt that something was wrong. His survival instincts screamed that he would have a better chance of staying safe on the raging storm outside than continuing inside, which was a ludicrous idea. Sonic knew Shadow wouldn’t hurt him (not much, at least), so why was he having such a dreadful feeling growing in the pit of his stomach?
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Shadow is missing, and Sonic is called into a mission to find and bring him back. Even with the lingering feeling that something is wrong, Sonic still agrees to help, but maybe he should've listened to his instincts this time.
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Stars Align by initforthelolz
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Live Action Universe), Sonic Boom (Cartoon), Sonic Prime (Cartoon 2022), Sonic the Hedgehog (IDW Comics)
11 Sep 2025
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After witnessing a terrible tragedy, Shadow is frozen in stone for five hundred years. When the spell finally ends, he has only one goal: revenge. But he'll need a bit of extra fire power to make his enemies pay. Unfortunately for him, a certain blue hedgehog is hell bent on making sure that this power doesn't fall into the wrong hands.
OR
Sonic and Shadow chase each other across the globe and beat each other up a whole lot along the way.
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Echoes of Chaos by ShaddySoup
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
08 Sep 2025
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(aka shadow and biolizard chill because theyre both failures, the AU)
THIS IS AN AU. IF YOU DONT LIKE AUS. WHAT ARE YOU DOING ON THIS WEBSITE. EXPECT CRAZY THINGS TO HAPPEN THAT ARE VERY OUT OF CANON. i mean just read the title
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The Biolizard couldn’t speak, not in a traditional way. It was still just a dumb lizard. However, it was somewhat sentient. Somewhat. To communicate, it could create a link with a fellow user of chaos energy and from there it would be able to share its extremely simplistic thoughts and feelings.Shadow was the only one around it could share its thoughts with. So it did.
Little Shadow- that's what the creature had named him. The hybrid wasn’t sure the reason behind it, whether it be his size compared to the lizard or whether it saw him as something of a younger sibling.
As if on cue, he heard an intrusion in his thoughts as the lizard formed a link.
“Little Shadow.”
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yeah, uhm. shadow is marked as a failure after an experiment goes crazy wrong and is forced to kind of chill with the biolizard until hes needed
TAGS WILL BE ADDED AS IT PROGRESSES. IM JUST ALWAYS ON A TIME CRUNCH. -
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Amy has a new friend! Now the real question is where did she find this mysterious black and red patterned octopus? Well, he can't be that bad right? However, it turns out Amy has to leave her new friend with Sonic for a few days as she goes and attend important business! What's the harm in leaving a hungry mysterious creature and Sonic alone in a room together?
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From the Shadows of the Deep by Nebrasska
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
30 Aug 2025
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In between saving the world from Eggman’s dastardly plots and finding himself incredibly bored, Sonic decides to work at the local aquarium. While he surprises himself by actually enjoying his job, this sentiment sours upon being permanently assigned to the new Kraken exhibit, housing a mysterious, frightening creature from the depths of the ocean.
However, Sonic's annoyance soon turns into intrigue as he finds himself sneaking into the aquarium during the late hours of the night to spend time with his new aquatic friend, unable to stay away from the strange familiarity the terrifying Kraken possesses….
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Wings of the Werehog by Veestella
Fandoms: Sonic the Hedgehog (Video Games), Sonic the Hedgehog - All Media Types, Sonic the werehog - Fandom
21 Aug 2025
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The world is breaking, and with it, so are the rules of who they are.
Sonic’s not quite himself under the moonlight. Shadow’s fighting changes that burn beneath his skin. And in the shadows of a fractured planet, something ancient and dangerous begins to stir.Old enemies rise. Dark power awakens.
But the biggest surprise?
They might just need each other to survive it.Enemies. Allies. Something else entirely.
This is the story of what happens when rivalry turns into something deeper—under starlight, claws, and chaos. -
Handle Me With Care by bluprismwrites
Fandoms: Sonic the Hedgehog (Live Action Universe), Sonic the Hedgehog - All Media Types
18 Aug 2025
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Shadow survived the fall after the ARK explosion, and is now alone in the middle of nowhere. Or, so he thinks - he quickly encounters a tiny purple mouse called Kaia, merely only 8cm tall, similar to himself and Sonic, who withstood some of the impact from his crash into the Earth. Racked with feelings of guilt, Shadow checks to see if the tiny mouse is fine, only to discover that she is incredibly chatty and insists on travelling with him for protection, much to his dismay.
Along the way, Shadow uncovers more about himself, with the help of his newfound tiny friend. Events/elements of the Shadow the Hedgehog game and Sonic X Shadow Generations will be loosely incorporated throughout the fic.
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The Ultimate Parasitic Lifeform: That Freak of Nature by AZWritesStuff
Fandoms: Sonic the Hedgehog - All Media Types
30 Jul 2025
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Sonic the Hedgehog's life was far from boring, that's for sure. Unfortunately, he was suffering through one of those slow days between grand adventures. Tails seemed to be interested in something though: this strange signal he received from some abandoned facility barely connected to the EggNet. It wasn't an emerald, no, but something else messing with the ambient energy inside.
Huh. Well, that doesn't just happen outta nowhere.
To kill their boredom, Sonic and Tails decided to go and investigate the signal, expecting to find an abandoned project of sorts within that old base.
Well...they weren't wrong about what it was, but they weren't expecting it to be an actual living being hiding in the building's ventilation shafts where it wasn't supposed to be at all.
Nor was Sonic expecting to become an unwilling host to something that genuinely made him feel uneasy.
...Would it bad idea to ask how things could possibly get worse from here?
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Metal Sonic Comes Across Shadow in This Doom morph In battle... And Things get a bit Sidetracked.
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One Final Silent Confession by Not_so_questionable_person
Fandoms: Sonic the Hedgehog - All Media Types
25 Jul 2025
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After shadow was inject with something by Doctor Eggman he attempts to remember the only thing he wished to say
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How long can you pine after a single death, before the emotions run stale?
How many lifetimes can pass before you stop caring about new faces and eons run together?Shadow didn't count, but his estimation was around ten thousand since Sonic died.
But the day a bundle of joy fell on his lap forced him to reconsider his priorities.
Because at first, Shadow only saw the baby Silver as a promise: a way to escape to the past and change it all.
And now as a second bundle fell from the sky, he was left to weigh the importance of one life over another.✦✦✧✦✦☆✦✦✧✦✦
Spoilers:
[ Non-Black knight: "Shadow is a single dad in the woods" ]
[ Familial: Silver/Shadow ]
[ Romantic : Shadow/Sonic ] -
In any universe, it's you and me (Fanart) by blueberrystarfield for Zabrya
Fandoms: Sonic the Hedgehog - All Media Types
21 Jun 2025
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A visual exploration of Sonadow through different universes, showcasing their rivalry and relationship. No matter the roles they play, they always find each other.
Sonadow Exchange 2025
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Unveil (a Cutie) by moobinnie for GoldeTrash
Fandoms: Sonic the Hedgehog - All Media Types
21 Jun 2025
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Shadow typical mental anguish as he reveals his Doom Morph Transformation to Sonic.
Also Sonic's questionable attraction to it.
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Captain Sonic’s first space mission went spectacularly off-course—in every possible wrong way. Now, stranded on a derelict ship with a deadly, seductive alien, he’s caught between fighting for survival and surrendering to something darker… and far more dangerous than he ever expected.