One mysterious emerald grants a young boy a power, a power so ancient that it has been used once in history. Join him and his friends as they journey across high school to become heroes and meet new people that will help him stop the forces of evil. The worlds of Sonic and MHA are one. Soinc characters humanized. Elements of games and shows in it. Harem story. Rated M for Bakugou.

For a long time, he didn't know who he was, and the only path to coming to understand who he is he must know which one he was Izuku Midoriya or Shadow

Sonic and co. have been invited to have lunch with the students of UA High School. Rated T for some suggestive content. Happy National Chicken Wing Day! Fem!Izuku Fem!Deku

After a strange event occurs, Izuku wakes up in a place he doesn’t know! But luckily he has the fastest thing alive to help! But something is wrong with One for All.

Izuku Midoriya was an average kid living in a super powered world. Set to be an outcast in his society, luck granted him a gift from the Chaos Emerald he got as a baby. Now a supersonic speedster, Izuku and his friends will have to survive trial after trial in order to become heroes and learn the secret of the Chaos Emeralds. Crossposted on AO3 (Discontinued/Rewritten)

The entirety of Japan is in peril. Disaster strikes everywhere. Villains rise and heroes fall. When the Leagues secret weapon is unleashed upon the world, everyone fears one name: Infinite Or: Infinite from Sonic Forces in MHA.

A complete rewrite and rework of My Sonic Heroes. Join Izuku on his adventures of a life time, battling the evil Dr Eggman all while trying to have a somewhat normal life... of course, nothing is ever normal in the world of quirks. Izuku with Sonics powers... based on Sonic movies and Sonic X Pairing... Maybe? Rated T for Teen, miled swearing ahead.

Izuku Midoriya, one day his life takes a sudden drastic turn. When overnight he falls asleep safe and sound in his bed, and then wakes up somewhere completely different. His sudden change in location isn’t the only thing completely different either. It is now up to the apprentice hero to find out where he is and why- and then to ultimately get back back home! (Rated T for cursing)

Izuku Midoriya was once a happy and cheerful individual, but once he was diagnosed quirkless, it all went down the drain. But two people saw potential in him. The first being All Might, the number one hero. He picks him to become his successor of his quirk One For All. The second was a hedgehog named Shadow, the ultimate life-form. Join Izuku as he becomes a great hero.

When Eggman experimented on the Phantom Ruby, it ripped open the walls between dimensions and eventually led to a new group to enter Sonic's world: Class 1-A and 1-B! Now in new forms, the heroes in training unite with the blue blur and the Resistance to face off against Eggman and Infinite while searching for a way home. (Rated T for mild language)

Izuku Midoriya dreams of being a hero. However his dreams are dashed after being diagnosed quirkless. However things change when he touches a Chaos emerald. It grants him the power of super speed. With this power Izuku plans to become the next No 1 hero. Behind the scenes, a mad scientist by the name of Julius Kintobor emerges from the shadows, hoping to find the other emeralds.

In a world where humans are evolved with gifts, there was one man that wasn't so lucky, Izuku Midoriya. To cope in a society that was against him from the start, he was chosen to look after two creatures that needed help. The first time in his life, he felt that great power came with great responsibility, he teaches Sonic and Tails that you can make yourself into who you want to be

Sucked into a portal leading to god knows where, Izuku Midoriya fights he way across the Starfall Islands, looking for his friends, trying to figure out how to get home and most importantly, how to explain their current situation to his Sensei. After all, its not everyday you students just up and vanish to a completely different land... Frontiers x MHA - Spoilers ahead, duh...

In Which Izuku is forced to take on the power of a Speedster, has a clone twin in the form of The Ultimate Lifeform, and finds himself at more deadends than he thought possible.

Sonic, Silver, and Shadow have somehow been transported to a world where most humans have their own powers. With the Emeralds scattered (again) at Solaris at large (somehow), the hedgehogs have to find a way to get the emeralds before The Sun destroys the fabric time itself.

After the War to Take Back the Planet, Team Sonic and company tried to have a relaxing day at the beach, until disaster struck. Infinite had fused with Solaris, and in a fit of rage flung the hedgehog and his friends to a world where the line between "hero" and "villain" is blurred every day. NOTICE - This is a reimagining of my story, "Sonic Heroes."

on day izuku came home and found two boxes and inside there was a little blue hedgehog and the other had a little fox with two tails what will happen to the three's future come along their journey to find out

His bright smile was all it took to wash away the darkness, that's the kind of hero Tails wanted to be. Tails "Miles" Prower would make his mark in history, no matter how long it took him.

Of all the things Sonic expected to do in Tokyo today, Jet Racing wasn't one of them. Introduced to a new sport that is popular along the Kanda River, Leafa is dead set on trying it. Luckily for them, the Kandagawa Festival is in full swing and Sonic finds himself sat on one of the huge jet skis right as the countdown ends. The million dollar question now is who's going to win?

After the fight against Solaris, our young psychic finds himself in an unknown landscape and with a dangerous stowaway who will make his trip home a stressful task as he tries to find Shadow and Sonic in a world whose rules it will be difficult for him not to break, attracting attention unwanted

Followed by the events of a tragic past, and guided by his duty as a hero, Sonic will have to face the greatest and most dangerous enemy he has ever faced. But to do so, he must go through one of the most horrible processes that exists. Go to school.

Sonic finds himself thrown headfirst into a brand new world of heroes and villains. Thinking that the worst thing to happen to him is being forced into boring classes, he remains unaware of the darkness hiding behind every corner. He'll soon come to find this world waits for no one, fast paced battles between good and evil, ideologies clashing everyday. Just the way he likes it

Izuku never made it to U.A., despite his best efforts. Two Alders students tried to get into U.A., but only one managed and now Izuku's just going about his life. Meanwhile, Princess Elise the Third is coming to Japan to give a speech at U.A. about the effect Japan's heroes have on standards around the world. So what happens when she meets Izuku Midoriya before anyone else?

Shadow and Sonic grow up in the world of My Hero Academia,How will this change the story?,Read to find out

After the fight with Mephiles, Mephiles used one last trick from being destroyed permanently and it was to send Sonic and his friends to another dimension and they got into the soul of one Izuku Midoriya. How will the world handle the power of Izuku Midoriya with the power of Sonic and his friends at his disposal