Sonic the Hedgehog Crossovers
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Dimensional Merge by ThatGamingFurry
For college student Brandon Keen, life is pretty simple. He's got friends, family, good games to play and good grades to get. All that changes when he wakes up one morning and finds himself alone...until his favorite cartoon characters start appearing. With their help, Brandon must chase down their arch-enemies to recover a strange bootleged console and find out what happened.
Crossover - Sonic the Hedgehog & My Little Pony - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 1,882 - Published: 10/9 - Sonic, Dr. Robotnik/Dr. Eggman, Twilight Sparkle, Queen Chrysalis
Sonic x Vampirella: Shadow of Darkness by CVGWJames
Sonic falls in love with an alien vampire and they eventually have a hedgehog-vampire hybrid son who shows potential as a hero in training. (In-Progress)
Crossover - Misc. Comics & Sonic the Hedgehog - Rated: T - English - Romance/Fantasy - Chapters: 14 - Words: 27,068 - Favs: 8 - Follows: 5 - Updated: 10/9 - Published: 10/2/2021 - Sonic
Blue Blur of Chaldea by Dragon Of The Ecplising Moon reviews
Sonic has had a lot of adventures over the years, but this may be his wildest yet. An alternate world? Time Travel? Magic ghosts? Demon Gods? Tasked with the mission of saving human history, can the Hero of Mobius rise to the task? The Last Master of Humanity is a blue hedgehog! "My story only stops, when I stop running!".
Crossover - Sonic the Hedgehog & Fate/stay night - Rated: M - English - Adventure/Humor - Chapters: 26 - Words: 101,296 - Reviews: 327 - Favs: 212 - Follows: 249 - Updated: 10/8 - Published: 6/27/2023 - Sonic, Mashu/Shielder
Blue Blur of Chaldea (Reboot) by Dragon Of The Ecplising Moon reviews
After an incident with the Chaos Emeralds sends Sonic into another world, its time for him to do what he does best! Kick bad guy bad, save the day, and save the world again! Look out Chaldea, the Fastest Thing Alive is here to save history!
Crossover - Sonic the Hedgehog & Fate/stay night - Rated: M - English - Adventure/Friendship - Chapters: 3 - Words: 11,161 - Reviews: 25 - Favs: 97 - Follows: 108 - Published: 10/8 - Sonic, Mashu/Shielder
Harmonic Chaos Chronicles (Re-Written) by ChaosFire0987 reviews
A re-write of my series "Harmonic Chaos Chronicles"; Follow the adventures of a red hedgehog known as Rage after they are sent to Equestria with Sonic following an encounter with Eggman and all of the antics that follow!
Crossover - Sonic the Hedgehog & My Little Pony - Rated: T - English - Adventure/Fantasy - Chapters: 36 - Words: 126,451 - Reviews: 9 - Favs: 13 - Follows: 14 - Updated: 10/8 - Published: 7/28/2022 - Sonic, Twilight Sparkle, OC
A Red Rose in the Blue Wind by Iron117Prime reviews
Sonic and his friends have come to a new world, one Dr. Eggman hopes to conquer. Meeting new friends? That is to be expected of our heroes. New enemies? Also to be expected. But being caught in a war between two immortals? Not the strangest thing that's happened to them, but definitely something new. (Blood and minor swears)
Crossover - Sonic the Hedgehog & RWBY - Rated: T - English - Adventure/Friendship - Chapters: 35 - Words: 532,469 - Reviews: 2020 - Favs: 1,251 - Follows: 1,277 - Updated: 10/7 - Published: 1/5/2022 - Sonic, Shadow, Team RWBY, Team JNPR
Sonic in Hell Fire Zone by Seth Eaton the Autobot reviews
After a run in with Eggman, Sonic is teleported into the dimension of Hell itself! And it's a lot different then what he heard from. Now, with the Chaos Emeralds spread out through the 7 rings of Hell, Sonic, with help from a gang known as the Hazbin Hotel, and I.M.P., are on a race, before anyone with horrible intentions get to the gems first.
Crossover - Sonic the Hedgehog & Hazbin Hotel - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 8,002 - Reviews: 9 - Favs: 22 - Follows: 26 - Updated: 10/7 - Published: 10/3 - Sonic, Alastor, Charlie, Vaggie
Mystery of Murasia by Zulon reviews
After receiving information regarding the mysterious Terrans, the Knothole Freedom Fighters venture to the heart of the Efrika in the hopes of recruiting them in the ongoing war against the Eggman Empire. Blends elements from Sonic X, Sonic Boom, Archie Sonic, and IDW Sonic.
Crossover - Sonic the Hedgehog & StarCraft - Rated: M - English - Adventure - Chapters: 47 - Words: 43,313 - Reviews: 8 - Favs: 9 - Follows: 9 - Updated: 10/6 - Published: 7/24/2021
Fairy of the wind by Fishcake10 reviews
Sonic the hedgehog and Erza Scarlet teamed up four years ago to free little planet now they have to work together again after all this time to take down new foes and maybe fall in love along the way
Crossover - Sonic the Hedgehog & Fairy Tail - Rated: T - English - Adventure - Chapters: 2 - Words: 5,189 - Reviews: 4 - Favs: 3 - Follows: 4 - Updated: 10/6 - Published: 10/1 - [Sonic, Erza S.] Tails, Natsu D.
the spirit mobains by animallover10000
the Rangers get a spirit mobain as a partner.
Crossover - Sonic the Hedgehog & Power Rangers - Rated: K - English - Adventure/Friendship - Chapters: 4 - Words: 13,367 - Published: 10/6 - Tyler N., Keeper, Sonic, Knuckles
spooky trolls by animallover10000
I honestly didn't know what I was thinking with this. inspired by the spooky buddies
Crossover - Trolls & Sonic the Hedgehog - Rated: K - English - Adventure/Friendship - Chapters: 6 - Words: 5,630 - Published: 10/6 - Poppy, Branch, Sonic, Knuckles
The new York adventure by animallover10000 reviews
what if shadow and sonic's pod was found by shredder? what if sonic is innocent minded
Crossover - Sonic the Hedgehog & Teenage Mutant Ninja Turtles - Rated: K - English - Adventure/Family - Chapters: 6 - Words: 16,740 - Reviews: 1 - Published: 10/6 - Sonic, Shadow, Leonardo, Raphael
Sonic Colors: Heartless Horizons by FanFicHazza reviews
Months after Chain of Generations, Sonic and Tails investigate a mysterious Interstellar Amusement Park, only to find it swarming with Heartless. Joined by a powerful new ally, they must save the captured Wisps and stop Eggman, seemingly back from the dead, before his sinister plan engulfs everything in darkness. Part of the KH x Sonic Blue Blur story arc.
Crossover - Sonic the Hedgehog & Marvel - Rated: T - English - Adventure/Fantasy - Chapters: 8 - Words: 31,412 - Reviews: 4 - Favs: 14 - Follows: 12 - Updated: 10/4 - Published: 9/24 - Sonic, Tails, C. Danvers/Ms. Marvel/Captain Marvel
All Hail Emperor Doom by Z. r3x reviews
When Doctor Doom is transported to the realm of Mobius, he finds himself in an uneasy alliance with its resident villain, Doctor Ivo Robotnik AKA Eggman. With their combined geniuses and abilities, not even Sonic and his Freedom Fighters could ever hope to pose a threat to them... assuming they don't destroy each other first. (Cross posted from Ao3)
Crossover - Sonic the Hedgehog & Marvel - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 25,623 - Reviews: 9 - Favs: 19 - Follows: 22 - Updated: 10/2 - Published: 9/7/2023 - Dr. Robotnik/Dr. Eggman, Dr. Doom
Sonic & Jasmine by cornholio4 reviews
After helping to save Agrabah; Sonic agrees to a marriage on paper to help Jasmine's situation. Crack oneshot drabble.
Crossover - Sonic the Hedgehog & Aladdin - Rated: T - English - Humor - Chapters: 1 - Words: 813 - Reviews: 3 - Favs: 7 - Follows: 4 - Published: 10/2 - [Sonic, Jasmine] - Complete
Ugly Sonic, Uglier Crimes by KrisBlade64
Ugly Sonic, accompanied by his daughter Evelyn, Evelyn's bf: Ray, Jar Jar Binks & SoulCalibur's Olcadan, is on a case where his brother, who's nothing other than the Movie Sonic everyone knows, has been kidnapped by an older and avaricious version of The Black Cauldron's Princess Eilonwy, renamed herself as Fire Ox Elly. As she kidnapped Ugly Sonic's bro in order to do what his hus
Crossover - Chip and Dale's Rescue Rangers & Sonic the Hedgehog - Rated: T - English - Western/Adventure - Chapters: 1 - Words: 4,345 - Published: 10/2 - Sonic
Splatoon X Sonic: Unfamiliar Lands by YourTypical
A friendly run across a city turns into a mystery that a certain ruby could've caused... Join Team Sonic as they venture around the world of Splatoon, meeting allies and enemies along the way!
Crossover - Sonic the Hedgehog & Splatoon - Rated: T - English - Fantasy/Adventure - Chapters: 2 - Words: 2,351 - Favs: 2 - Follows: 2 - Updated: 10/1 - Published: 9/29 - Sonic, Cap'n Cuttlefish
Murder Drones: SolverEXE by MurderTitansFan reviews
Metal Sonic ends up on another planet after escaping Eggman's fallen base. The planet's named "Copper 9", which was filled with Worker Drones and Murder Drones, which were trying to kill the workers. Metal makes new allies and joins them as they discover the secrets of this "Absolute Solver". And will soon realize... HE is here..
Crossover - Murder Drones & Sonic the Hedgehog - Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 1,403 - Reviews: 3 - Favs: 12 - Follows: 16 - Updated: 9/27 - Published: 9/16 - Metal Sonic, J, Absolute Solver/Eldritch J., Uzi D.
Shadows of Harmony Redux by Atlas Ultima reviews
Fate is rather unpredictable. In this new adventure, Sonic and Shadow find themselves in another world, one of colorful ponies and powerful magic fueled by friendship. Although as time goes by, it becomes clearer that something is bringing the dimensions together piece by piece. New friends and foes, as well as familiar faces, will meet in the magical land of Equestria and beyond.
Crossover - Sonic the Hedgehog & My Little Pony - Rated: T - English - Adventure/Friendship - Chapters: 5 - Words: 21,718 - Reviews: 6 - Favs: 14 - Follows: 22 - Updated: 9/26 - Published: 9/20/2023 - Sonic, Shadow, Twilight Sparkle
The Ultimate X-Man by Kaiserreich99 reviews
Shadow wakes up in a world of mutants, heroes and villains. Let's see how the Ultimate Lifeform chooses his destiny
Crossover - X-Men & Sonic the Hedgehog - Rated: T - English - Adventure/Romance - Chapters: 7 - Words: 63,658 - Reviews: 21 - Favs: 22 - Follows: 25 - Updated: 9/25 - Published: 8/14 - Jubilee, Anna Marie/Rogue, Hisako I./Armor, Shadow
Reach for the Stars by Flippy the Mummified Hedgehog reviews
All of it was lies, Izumi Midoriya has been living a lie, has been training for a lie but maybe her dream can become a reality. Returning home along with her best friend Kitt the Fennec along with some members of the Resistance and with the help from All Might, Izumi must embrace the new path of being a Hero by going to U.A High School and maybe end the war with Eggman
Crossover - Sonic the Hedgehog & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Family/Adventure - Chapters: 9 - Words: 42,569 - Reviews: 13 - Favs: 38 - Follows: 40 - Updated: 9/25 - Published: 4/17 - [Sonic, Shadow] [Izuku M., Fumikage T.]
I'll Wirte your crossover request by baby blue 2018 reviews
I'll Wirte any crossover of tmnt 2012, rottmnt, mutant mayhem, disventure camp, sonic and tangled the series comments your ideas down below I'll also wirte any song fics just comment who u want to sing the song and what the song is called and if u can a link to the song will help
Crossover - Teenage Mutant Ninja Turtles & Sonic the Hedgehog - Rated: K - English - Friendship - Chapters: 10 - Words: 24,206 - Reviews: 3 - Follows: 1 - Updated: 9/23 - Published: 9/22
Kingdom Hearts: Blue Blur Edition - Chain of Generations by FanFicHazza reviews
After the events of Kingdom Hearts: Final Mix - Blue Blur Edition, Sonic's surprise party is disrupted by a mysterious hedgehog. His friends are scattered through time and space. To save them, Sonic must navigate White Space and his past adventures, all manipulated by the elusive 'Doctor'. Restoring past events and friends is key, but saving memories of forgotten allies is crucial.
Crossover - Sonic the Hedgehog & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 40 - Words: 179,268 - Reviews: 48 - Favs: 33 - Follows: 29 - Updated: 9/22 - Published: 6/30 - Sonic, Dr. Robotnik/Dr. Eggman, Naminé, Ansem the Wise/DiZ - Complete
Deku the Werehog of Hope! by Shadow Joestar reviews
When little Izuku was about to be bullied by Katsuki again, something strange and dark happen when a mystery dark orb that gives Izuku his own power that makes him stronger and furry like a werewolf, except he's more of a hedgehog in this case. Now Izuku will go on this path to become a hero known as Deku the Werehog of Hope! Hear him Howl! No One for All Deku. Deku/Harem. Lemon.
Crossover - Sonic the Hedgehog & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Supernatural/Adventure - Chapters: 5 - Words: 15,463 - Reviews: 46 - Favs: 278 - Follows: 311 - Updated: 9/21 - Published: 11/18/2023 - [Izuku M., Tsuyu A., Rouge, Sticks]
Mega Man: The Blue Bomber of Mobius by Just a reader now a writer reviews
Past, present and future, the future is always unknown nobody knows what will happen but something from the past has been unearthed that will change everyone's fates forever. OCxNana.
Crossover - Mega Man & Sonic the Hedgehog - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 4,657 - Reviews: 9 - Favs: 9 - Follows: 10 - Updated: 9/19 - Published: 8/4 - [Sonic, Sally] [OC, Nana]
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