It started when an alien device did what it did. Izuku Midoriya found a strange device on the beach one night after training when the device jumps onto his wrist. It grains him abilities from beings from other worlds. Watch him as he and his friends go through their adventures on Earth and Space in: The Alien Hero: Deku 10

Ben Tennyson has awakened in the magical world of Earthland with amnesia, no memory outside of his name. Follow our lost hero as he travels across Fiore, making new friends and enemies, catching the interest of certain people, and rediscovering who he truly is. BenxHarem

The Omnitrix, a weapon capable of the either intergalactic peace or massive universal destruction. In one universe, the prototype was created by Azmuth of the Galvan and landed in the hands of a young Benjamin Tennyson. But in this universe (this story), not only was it created by another alien, but it also landed in the hands of a more... simple soul. (Rated M just in case)

It wasn’t an alien device that latched onto Ben Tennyson’s wrist - instead, the all-powerful mask has latched onto his head. Now, a new hero has emerged, and an interesting summer vacation is about to begin.

Ben Tennyson once again saved the universe after defeating the evil Chronosapien Mautruant, but in a completely different world, in a completely different village, there are people who need a hero, and a boy with a "magic watch" would be a good call. How will the Omnitrix Wielder deal with the dangers that plague this place?

What if Ben wasn't the only one with an Omnitrix? What if someone else had gotten one before Ben? This is the story where it happened, the individual who received the other Omnitrix having gotten it a year before Ben got his. Though the kid that wields this other Omnitrix wasn't exactly ordinary before he got it. What do I mean by that? Read and find out.

This is the the theme song of Dragon 10, a story that I'll be working on for a while. Hope you all enjoy it.

AU World. Ben is now top ranking duellist until he meet several duellist at a place called Duel Academy where he met Jaden Yuki, a duellist that both of them are simple good friend. Until evil are lurking that they wanted to control the earth. Can both duellist stop an evil threat have unleashed on this world? Only time will tell.

REVAMPED VERSON: When a 10-year-old boy discovers a strange device that turns him into 10 different aliens, his summer vacation gets crazy. Join Ben Tennyson as he gets into all sorts of adventures on Earth and an alternate magical world with his family and friends as he also learn about the magic of friendship and what being a true hero is all about. Updates on Fridays.

When the powerful King Detritus and his massive army invade Earth, a group of unaligned heroes and a certain Anti-Hero, discover the only way to fend off the attack will be to work together as a cohesive unit. The Blur, Ben 10, Cat Noir, American Dragon, Gwen, Danny Phantom, Ninja, and Kevin combine their respective talents in an all-out battle to save the planet. YJHU: 1

Koan, ryuko and the group has finished Honnōji Academy and defeated their enemy. But their next school is fill with demons along their new friends. irumi sukuzi, the step grandaughter of a demon. Now the agent of choas will make the demon school goes upside down and face old and new faces of enemies return"

A new Fourze has arrived at the world of Ben 10 with a mission to be a new hero of the universe while befriending anyone he meets, what adventures will he do only time will tell now, Uchu Kita.

Ben Tennyson gets sent to the world of Dragon Ball where he would meet Goku and his friends. Ben decided to help the Z-Fighters fight against new threats such as Aliens, Gods, and more until he will find a way home.

One would think that in a world where everyday people possess impossible abilities nothing would really be a surprise. Izuku Midoriya, who upon the age of four was diagnosed as quirkless, was denied of his dream of become a hero that can save everyone with a smile. But fate gives him a chance; allowing him access not to one but a universe of powers and abilities.

Just when Ben thought he was leaving Rex's world for good, something goes wrong. Instead, the portal malfunctions, causing it to pull Ben, Rex, and Alpha to an entirely new world. Heroes United must team up once more & work together to find Alpha before he does anything dangerous. In the meantime, our heroes will join the Justice League. And along the way, they might just love.

A familiar Beastkin goes through a familiar abandoned Cauldron. However, she doesn't end up in another timeline, but Bellwood, home to a teen with a watch he wears on his arm that can change his shape to save the world from harm.

When Ben dies, the omnitrix finds itself a new host in the form of 14-year-old Izuku Midoriya. Will Izuku rise to the challenge, or will it all fall apart?

When a hero loving teen finds possibly the most powerful device in the universe, watch as this boy grows to be the hero he's always dreamed of

The last time the heroes of Earth faced a collective ambush was a dark day, a day where they had to face their own mortality, and deal with the failure in the aftermath. While the world still recovers, another baleful threat looms ahead, but this time our heroes will be ready. Ben will make sure of it.

Ben Tennyson meets Ruby Rose during his summer break, and picks up both the Omnitrix and a thrill for action. Along the way, Ben discovers new alien forms, develops new techniques to use in battle, and a blossoming romance, while also forging close bonds with his new friends. But can he and his friends handle being thrust into a conflict between good and evil? (Cover by elmike)

Ben Tennyson has found himself in another universe, one filled with magic he never imagined. He comes across a few wizards who invite him to their guild, Fairy Tail. With no immediate ways to return home Ben must adapt to this new world, form new bonds, and grow stronger with his teammates to overcome many obstacles. Adopted from Ultimate10

Ben Tennyson is your average 15 year old, but what happens when he finds the strongest device in the universe. Will he be able to do what it takes to rise to the occasion as a hero or will he fail, before he can even begin

We all know the story. The Omnitrix crashes onto Earth, Ben finds it, and from there, he learns to be the hero of heroes. Well... kinda. That's the story of Ben Prime. Follow the adventures of an alternate Ben that could only be summarized in one single burning question... What-If? (Ben 10 x Numerous other franchises, combined into one odd hodgepodge of a story.) ENJOY!

Ochako Uraraka, a young hero in training from UA High School, finds herself unexpectedly taking on the mantle of the Omnitrix wielder from Ben Tennyson. As Ochako begins to explore the capabilities of the Omnitrix, she must also navigate the complex relationships and alliances, all while facing off against increasingly powerful enemies. Art by @gayartistsuzzan on Twitter!

Earth, a planet unlike any other the diamonds had come across in their conquest of the galaxy. Not only was it a planet with it's own inhabitants known as "humans" but apparently it was able to create two gems unlike any that had ever been created before. Gems made entirely of gem rock and being "males" instead of females.