Sonic the Hedgehog Crossovers
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Red Rivals by Emerald the Lynx
Nexus Dimension... Break Man has been ordered by the doctors to secure a jewel of ultimate power, the Master Emerald. That same Emerald is under the protection of the last of the echidnia, Knuckles. A brother, a guardian. Most importantly, rivals.
Crossover - Mega Man & Sonic the Hedgehog - Rated: K - English - Friendship - Chapters: 1 - Words: 1,657 - Published: 8/21 - Proto Man, Knuckles - Complete
Their World by Ieju reviews
Tony Stark is having a peaceful Saturday morning in his workshop. Then Peter shows up carrying a big blue alien hedgehog and they get roped into yet another adventure. Just an ordinary year.
Crossover - Sonic the Hedgehog & Avengers - Rated: K+ - English - Adventure/Humor - Chapters: 10 - Words: 18,980 - Reviews: 23 - Favs: 40 - Follows: 44 - Updated: 8/21 - Published: 8/11/2020 - Sonic, Iron Man/Tony S., Spider-Man/Peter Parker
RWBY Omens by Qwark's Account
"Truly. This is a RWBY Omens Moment" - Tony Huynh
Crossover - Sonic the Hedgehog & RWBY - Rated: M - English - Parody - Chapters: 1 - Words: 750 - Favs: 2 - Follows: 1 - Published: 8/20 - Team RWBY, Silver - Complete
Ultimate Soul Arc by Shadow Joestar reviews
AU. Jaune Arc found a mysterious jewel in a cave that seem to have awaken his newest hidden power of the Ultimate Lifeform and his gained his power of Chaos to use them whoever he sees fit. He'll use this power to become the Ultimate Huntsmen, better than what he has dreamed for as he'll show the world what the Ultimate Lifeform Arc can do. Stronger Jaune. JaunexHarem. Lemon.
Crossover - Sonic the Hedgehog & RWBY - Rated: M - English - Romance/Supernatural - Chapters: 17 - Words: 49,375 - Reviews: 139 - Favs: 633 - Follows: 658 - Updated: 8/19 - Published: 4/13/2018 - [Jaune A., Team RWBY, Glynda G.] Shadow
Sonic Pokemon: Sonic The Hedgehog by Notcornpr1nce
Sonic side of the 'Sonic Pokemon' fanfic series. Posted from the website which I recommend checking out even if you only use FF as there are images on there, so if something feels under-described it's probably because there are images that are normally there. Currently in Classic Era.
Crossover - Pokémon & Sonic the Hedgehog - Rated: T - English - Adventure - Chapters: 4 - Words: 27,920 - Published: 8/18 - Quilava/Magmarashi, Aether Foundation, Sonic, Sally
Death Battle: Sonic and Haley vs Lex Luthor (SEGA and Disney vs DC) by Dbroha
Enjoy!
Crossover - Sonic the Hedgehog & American Dragon: Jake Long - Rated: T - English - Chapters: 1 - Words: 519 - Published: 8/18 - Sonic, Haley - Complete
End of the Line by SophieCookie
The Legion of Dark Matter is coming after Sonic's universe to recruit every living being into it's souless army, now Sonic and friends must fight against this army and it's leader: Calamity. Sonic and friends will be joined by new faces from across other universes and worlds (crossover with Steven Universe, Ty The Tasmanian Tiger and Klonoa).
Crossover - Sonic the Hedgehog & Steven Universe - Rated: T - English - Adventure/Supernatural - Chapters: 1 - Words: 3,496 - Favs: 1 - Published: 8/18 - Sonic, Steven U.
Sonic and Pokemon Kalos adventures by Miamccar reviews
Sequel to Sonic and Pokemon Platinum adventures and prequel to Poke-Heroes. Shadow got teleported back to the Pokemon world then gets captured by Team Flare. But escaped with the help of Ash and friends. Meanwhile, Sonic and friends went to the Pokemon world to search for their friend then met a trainer. Will Sonic Team get back home?
Crossover - Pokémon & Sonic the Hedgehog - Rated: T - English - Adventure/Friendship - Chapters: 10 - Words: 31,685 - Reviews: 9 - Favs: 17 - Follows: 17 - Updated: 8/17 - Published: 8/2/2016
Ash Coma or NOT! OLD VERISON (BEING REWORKED IN PROGRESS) by Mariomon18 reviews
Ash Ketchum suddenly goes insane and gets a seizure after his traumatic and horrific experience in the Alola Region! He wakes up as an 18 year old man finding out that everything that happened was just a dream, OR WAS IT?
Crossover - Pokémon & Sonic the Hedgehog - Rated: T - English - Hurt/Comfort/Horror - Chapters: 5 - Words: 4,815 - Reviews: 3 - Favs: 8 - Follows: 7 - Updated: 8/17 - Published: 4/10/2017 - Ash K./Satoshi, Brock/Takeshi, Dawn/Hikari, Sonic
Spider-Hedgehog Vs Red Ranger (Sonic OCs vs Power Rangers) by Dbroha
A battle of Heroic Hero Team Leaders
Crossover - Power Rangers & Sonic the Hedgehog - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 280 - Published: 8/17 - Jason L. S., OC - Complete
Ashes of Eden by Saints-Fan-12 reviews
Stay with me, don't let me go.
Crossover - Sonic the Hedgehog & SpongeBob SquarePants - Rated: M - English - Romance - Chapters: 1 - Words: 366 - Reviews: 1 - Favs: 1 - Published: 8/17 - [Shadow, Sandy] - Complete
How to Play a Children's Card Game by Raven Mistletoe
My OC's the Demented Squad and the original Yugioh crew try to teach Sonic and his friends how to play Duel Monsters. It goes as well as you think.
Crossover - Sonic the Hedgehog & Yu-Gi-Oh - Rated: T - English - Humor - Chapters: 1 - Words: 1,896 - Published: 8/17 - Sonic, OC, Yūgi M. - Complete
Mobius faces the war of the worlds by Sonic fan passional reviews
Planet Mobius has faced counters from outer space before, but never before had it been from an invasion and in the same exact solar system. And it's up to Team Sonic, Shadow, Silver and the freedom fighters to stop the Martian invasion. Spoiler alert, this crossover will have three different endings from three different victories and defeats.
Crossover - Sonic the Hedgehog & War of the Worlds - Rated: T - English - Horror/Sci-Fi - Chapters: 7 - Words: 20,231 - Reviews: 3 - Favs: 5 - Follows: 6 - Updated: 8/16 - Published: 2/10/2018 - Sonic, Tails, Amy, Sally
Chaos Force by NounaLune reviews
A remake of Power of Chaos originally by Aaron Kasarion. The events happens after Sonic unleashed as Sonic and his gang are warped back to Chris's world, along with new comers from Avalice. Lilac, Carol and Milla. Follow them as they find a way back to their homeworld! (Read disclaimer at beginning before asking questions.)
Crossover - Sonic the Hedgehog & Freedom Planet - Rated: K+ - English - Adventure/Parody - Chapters: 4 - Words: 12,589 - Reviews: 1 - Favs: 7 - Follows: 6 - Updated: 8/15 - Published: 4/22/2021 - [Sonic, S. Lilac] [Knuckles, Carol T.]
My Sonic Heroes Academia: Rewritten! (DISCONTINUED) by Alpha the Demon
So, I know what you're thinking. Why is that incredibly handsome, smart, chili dog chomping kid with blue hair being chased by a crazed madman, with a mustache straight out of the Civil War? Well, to be honest, it feels like I've been running my whole life. My names Izuku Midoriya, although my friends call me Sonic! The rewrite of the original. No Sonic 2 spoilers... for now.
Crossover - Sonic the Hedgehog & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Humor/Adventure - Chapters: 3 - Words: 7,141 - Favs: 28 - Follows: 34 - Updated: 8/14 - Published: 4/2 - [Kyoka Jiro, Izuku M.] Sonic, Dr. Robotnik/Dr. Eggman
Friendship, Disharmony & Sonic by natedeanmaan reviews
Two evil creatures team up and try to steal the Chaos Emeralds. The emeralds get scattered to 5 different areas after a failed attempt. Sonic must collect the emeralds, team up and make new friends in these new areas to defeat the evil duo once and for all. Story involves characters from Sonic the Hedgehog; MLP: FiM; Regular Show; Adventure Time; Ed, Edd n Eddy and Danny Phantom.
Crossover - Sonic the Hedgehog & My Little Pony - Rated: T - English - Adventure/Friendship - Chapters: 16 - Words: 91,136 - Reviews: 86 - Favs: 42 - Follows: 43 - Updated: 8/14 - Published: 4/23/2012 - Sonic
Thor Ragnarök (Sonic Style) by Jacob Marley1991
Razor has had a very bad day. First a conspiracy on the throne. Then an unknown long lost relative and now he's stranded on the other side of the universe as the Lost Hex is plunged into Chaos. How's your day been?
Crossover - Sonic the Hedgehog & Marvel - Rated: T - English - Adventure/Humor - Chapters: 10 - Words: 18,319 - Favs: 1 - Follows: 1 - Updated: 8/14 - Published: 8/6 - Knuckles, Scourge, Blade, Razor - Complete
Pokonic Legends: Chaos by ortholily reviews
The Great Pokemon War had finally been beat; Giovanni had finally surrendered. Pokemon & people were free at last, all due to the hybrid savior, Aurora. Content, she looks on to build a new life of peace for herself & her Pokemon. But peace never seems to be the deal for her as Palkia sends her to another dimension. Meanwhile, on Mobius, the metal infection is spreading..fast.
Crossover - Pokémon & Sonic the Hedgehog - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 2 - Words: 7,556 - Reviews: 1 - Follows: 1 - Updated: 8/13 - Published: 8/8 - Lucario, Zeraora, Sonic, Shadow
Metal Naruto by ThewhatifreadEr reviews
Beaten to near death and losing his ability to wield chakra forever, Naruto loses all hope, until a rather large scientist who appeared from a golden ring-like portal takes interest in him and offers to give him a second chance at shinobi life, at a 'small' cost, he probably wouldn't be different to the village and accepts, watch as the ultimate metal overlord rises.
Crossover - Sonic the Hedgehog & Naruto - Rated: T - English - Adventure/Fantasy - Chapters: 4 - Words: 11,533 - Reviews: 7 - Favs: 23 - Follows: 31 - Updated: 8/13 - Published: 8/8 - Naruto U., Hinata H.
You Never Loved Me by micahgeorge66
Fiona returns home to fix her relationship with Tails. Little did he know that Fiona hasn’t really changed.
Crossover - Sonic X & Sonic the Hedgehog - Rated: K+ - English - Romance/Hurt/Comfort - Chapters: 6 - Words: 4,669 - Published: 8/11 - Amy, Shadow, Sonic, Tails - Complete
Catch Them If You Can! by Taranea reviews
COMPLETE! After a mission to foil Robotnik's plans goes VERY wrong, Sonic & Co find themselves on a strange new planet - only this time the humans of this world want to capture them like animals! But to get back home, our heroes might need their help - which would be easier if they even spoke their language... (semi-Xover with Pokemon, but no Pokémon knowledge necessary :)
Crossover - Sonic the Hedgehog & Pokémon - Rated: K+ - English - Adventure/Humor - Chapters: 28 - Words: 109,635 - Reviews: 459 - Favs: 315 - Follows: 362 - Updated: 8/11 - Published: 8/1/2016 - Ash K./Satoshi, Sonic, Tails, Knuckles - Complete
Rose Among Koopas by KaiserErebus reviews
During the fight against Eggman, a rift to another world opens up and swallows the pink rose whole. Now, trapped in another world with the doctor's metal creation, Amy teams up with a king and two heroes to help take Metal Sonic down. Safe to say it will be an experience Amy and the Mushroom Kingdom will never forget.
Crossover - Sonic the Hedgehog & Mario - Rated: T - English - Adventure - Chapters: 1 - Words: 12,761 - Reviews: 1 - Favs: 6 - Follows: 4 - Published: 8/10 - Amy, Metal Sonic, Mario, Bowser - Complete
The Death Of Magic by Zolth
Sandy is a young mage studding healing magic and happens to run across Static a young mage studding necromancy. They two squirrels hit it off but quickly find their budding romance fall into havoc as their school controlled by the High Counsel is attacked by unknow foes. Not far away Sandy's brother Randy finds himself in a bind as a group of Templar's aim to hunt her down.
Crossover - Sonic the Hedgehog & SpongeBob SquarePants - Rated: M - English - Adventure/Fantasy - Chapters: 5 - Words: 7,054 - Updated: 8/10 - Published: 8/8 - Shadow, Sandy, OC
Heat Go Away Please by Yoshizilla-Rhedosaurus
When you want summer to end it's most likely because of a heatwave.
Crossover - Sonic the Hedgehog & Digimon/Pokemon - Rated: K+ - English - Chapters: 1 - Words: 185 - Published: 8/9 - Complete
Sonic X Fairy Tail: Unleashed by godzillahero3 reviews
Eggman latest plan has caused the entire planet to shatter into pieces. Causing a long sleeping being of pure evil to awaken from his slumber. And the members of Team Natsu have been transported from their world, and into Sonic world. Now Sonic an must join Sonic on a world wide journey on the planet to fix the planet and stop Dr. Eggman plans once and for all.
Crossover - Sonic the Hedgehog & Fairy Tail - Rated: T - English - Adventure/Friendship - Chapters: 6 - Words: 48,762 - Reviews: 28 - Favs: 33 - Follows: 40 - Updated: 8/8 - Published: 6/9 - Sonic, Chip/Light Gaia, Lucy H., Natsu D.
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