Katia, a young white, ginger, and black kitten, accidentally causing a massive power outage after being called a burden. Her power reaches all the way out to the planet, Mobius. Drawing the attention of Sonic, Tails, and Knuckles. They learn that a large stone like Emerald that originates from Mobius has been found. the Phantom Emerald. Which has the ability to turn thoughts into reality. But they aren't the only ones tracking the source. The evil tyrant roboticist, Dr. Robotnik, back from the Swamp planet after the Death Egg crash in "Sonic and Knuckles", his Imperial Badniks and their allies the Dark Echidna Legion start building a new Death Egg and round up Katia's family and friends. It is now a race against time to prevent Dr. Robotnik from enslaving Earth and Mobius.

G.U.N. has located the Master Emarald, a powerful, green gem that could be dangerous if in the wrong hands. When a mysterious platypus arrives on Earth and is a possible cause for war, the world's only hope is to assemble a team of heroes. Sonic the Hedgehog, the fastest creature alive, but with a beast within. Tails the fox genius, who can invent marvelous creations. Knuckles the Echidna, a brave and fearsome warrior from the land of Angel Island. Amy Rose, a dedicated fighter. Shadow the Hedgehog, a powerful chaos creation. And master agents Espio the Chameleon and Rouge the Bat. Together they will become a team to take on an attack that will call them to become the greatest of all time. ~☆~ This story takes from some of the games, movies and comics. I do not own any of the Sonic characters, locations, or other IP. Those are properties of SEGA and their creators. I also do not own any of the Marvel IP. Those rights belong to Marvel and Disney.

The world needed a hero -- it got two hedgehogs. Both powered with incredible speed, Sonic and his little sister Stormi embraces their new home on Earth -- until they both accidentally knocks out the power grid, sparking the attention of uncool evil genius Dr. Robotnik. Now, it's supervillain vs. supersheros in an all-out race across the globe to stop Robotnik from using Sonic and Stormi's unique power to achieve world domination.

(Y/n) the (A/t) is a notorious criminal. Usually, Sonic the Hedgehog is busy with the infamous Doctor Eggman, but when he's not, he's hunting her. However, when the mad doctor develops a new weapon that weakens Sonic, (Y/n) saves him from a close call, taking him to the place where the criminals like her dwell. Still suffering from the effects of the weapon, Sonic has no choice but to learn how to survive in a darker world with (Y/n) as his guide.

The rambunctious speedy hedgehog (along with his friends), human and alien team must hunt down Dr. Jumba Jookiba's 625 other experimental creatures infesting Hawaii (Sonic the Hedgehog belongs to SEGA, Lilo and Stitch The Series belongs to Disney).

An accident kept as a secret.He claims it was an accidental kiss and she swears to keep it as a secret.But this secret gets harder to keep when their friendship evolves into something more.Even though our favorite blue hedgie won't admit it.Amy can't help but feel as if she's on cloud 9 but Sonic feels slightly different.He's confused and doesn't know what to do.The secret is eating both of them from the inside and Amy feels the need to tell someone.How will these two keep this sweet secret a secret?And will this secret bring them together? Or will it tear them apart and ruin their friendship? (Disclaimer:I do not own any SEGA characters)

AU In a future ruled by a Robotnik, with Sonic retired and no one to fill his shoes, Eggman makes his biggest move, open a breakfast restaurant.

Sonic the hedgehog finds a new little buddy, sonic and his friends gets captured by a evil genius, they have a new hero (sorry that I ain't good at description.)

At a base in the middle of the night. The evil Dr. Eggman took the seven Chaos Emeralds and a hostage. Sonic the Hedgehog, the speedy hero came to save the day, but what he didn't expect was him meeting someone with lots of mystery. I do not own Sonic X or the Sonic franchise.