Ben 10 Crossovers
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Legend of 10 by Ripple247 reviews
On a fateful day in the park, a young man's life is changed, when seeing a shooting star fall from the night sky. Watch Ube rise to be a hero, though it's kinda hard to be a hero when your mom is the police chief, and the avatar mistakes me for a spirit. No paring of yet.
Crossover - Ben 10 & Legend of Korra - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 79,912 - Reviews: 83 - Favs: 74 - Follows: 87 - Updated: 12/9 - Published: 4/14 - OC, Korra, Chief Lin Beifong, Asami S.
Ben 10 Fairy Tail by JerryAwesome24 reviews
Ben Tennyson gets sent to the world of Fairy Tail where he meets the Fairy Tail wizards. He joins the Fairy Tail Guild and forms bonds with his new friends and teammates and will have many new challenges with them. BenxHarem
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Sci-Fi/Fantasy - Chapters: 12 - Words: 90,345 - Reviews: 34 - Favs: 91 - Follows: 103 - Updated: 12/8 - Published: 11/14/2022 - Ben T., Erza S., Lucy H., Natsu D.
Ben's Partners by Sharky Monster
This story is a Direct Link From My Story "Journey Of Ben Tennyson". In this story, I will give details, partners of Ben Tennyson and Their Sexual Life. This Is Highly MA Rated. 18 Story, Kids Stay very far from this.
Crossover - Marvel & Ben 10 - Rated: M - English - Romance/Sci-Fi - Chapters: 13 - Words: 38,776 - Favs: 11 - Follows: 8 - Updated: 12/8 - Published: 10/15
Something Alien in Remnant by PhantomPilgrim reviews
After a skirmish and a malfunction with Vilgax and Albedo in an Alternate Timeline; Jason Moss was thrown from his own time and space and into a new world altogether Jason must now try and find a way back home; using the Omnitrix thrust upon him by his teacher and whatever he could find in a world of Grimm, Huntsman and teenagers with superpowers
Crossover - Ben 10 & RWBY - Rated: T - English - Chapters: 4 - Words: 16,533 - Reviews: 8 - Favs: 15 - Follows: 14 - Updated: 12/8 - Published: 10/9 - OC, Ruby R., Weiss S., Blake B.
Hedgehog 10: The Omniverse Chronicles by Omarnosian10 reviews
Sequel to Hedgehog 10. Join Rouge, Ben, and Shadow as they adjust to life on Earth as a team. With Ben's Ultimatrix, Rouge's Omniverse Omnitrix, and Shadow's Chaos Energy, they'll make an unstoppable team. BenXRouge
Crossover - Sonic the Hedgehog & Ben 10 - Rated: T - English - Romance/Adventure - Chapters: 7 - Words: 49,538 - Reviews: 42 - Favs: 79 - Follows: 71 - Updated: 12/8 - Published: 4/3/2015 - [Rouge, Ben T.] Shadow, E-123 Omega
Kyle 10: MADE IN HEAVEN by DriveMaxUltraDynamoZord
More of an outline of events that happen to Kyle Tennyson in the JoJoVerse than a real story, except at the ending with the final battle against Pucci. First time trying this approach, but I wanted to write a fight for Stone Ocean. That ending, man...
Crossover - Ben 10 & JoJo's Bizarre Adventure - Rated: T - English - Adventure - Chapters: 1 - Words: 24,968 - Favs: 3 - Follows: 3 - Published: 12/7 - OC, Jotaro K., Jolyne C., E. Pucci
Guardian Digimon Book 1 Guardian of the Sea Remade by Redwallfan2000 reviews
When several evil organizations start disappearing and being quiet, Sailor Sun makes the risky choice choosing six heroes on Earth to prevent an evil Digimon's return by searching out the four special Mega Level Digimon known as Guardian Digimon. The Guardian Seekers begin their mission by searching for the first Guardain of the Sea.
Crossover - Digimon & Ben 10 - Rated: T - English - Adventure/Romance - Chapters: 1 - Words: 3,527 - Reviews: 2 - Favs: 6 - Follows: 6 - Published: 12/7
Ben 10 meets DC Superhero Girls Rise of the Beast by skipper.weinkauf reviews
Here we will see the heroes return with a whole new adventure, and old foes will tried to take over the multiverse
Crossover - DC Super Hero Girls & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 13 - Words: 21,330 - Reviews: 22 - Favs: 8 - Follows: 11 - Updated: 12/7 - Published: 9/12 - Kara K./Supergirl, Ben T.
Gus 12 by BlueKnight-X2 reviews
A watch-like device falls from space and attaches to Gus Dalton and gives him the power to transform into different aliens. Now he, Luz Noeda, Willow, and others must work together to stop criminals in their summer vocation.
Crossover - Ben 10 & Owl House - Rated: T - English - Adventure/Drama - Chapters: 8 - Words: 62,175 - Reviews: 17 - Favs: 11 - Follows: 9 - Updated: 12/7 - Published: 4/26 - Luz N., Eda, Willow, Gus
Ten Times The Hero by Hornets88 reviews
Izuku Midoriya is about to give up on his dreams of heroism when a teenager clad in a green jacket and a man claiming to be a professor break into his room in broad daylight. Ben Tennyson and Professor Paradox have travelled to the My Hero universe in order to find a worthy successor to wield the Omnitrix once Ben passes... and they firmly believe Izuku is worthy to inherit it.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 23 - Words: 216,548 - Reviews: 155 - Favs: 467 - Follows: 562 - Updated: 12/6 - Published: 9/28/2021 - [Izuku M., Kyoka Jiro] Toshinori Y./All Might, 1-A Students
Galactic Shift Extend by Seanzilla1988 reviews
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.
Crossover - Ben 10 & BlazBlue - Rated: T - English - Chapters: 103 - Words: 1,612,900 - Reviews: 1237 - Favs: 404 - Follows: 397 - Updated: 12/6 - Published: 5/25/2019 - [Ben T., Makoto]
We'll Carry On: An Ochako Omnitrix Story - Volume 1 by Transwiththeplans reviews
Ochako Uraraka 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!
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 76 - Words: 470,162 - Reviews: 129 - Favs: 146 - Follows: 137 - Updated: 12/6 - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
Ben-10: The One True Monster by Chris Chronos reviews
The young Benji Tenzaki is an unfortunate child who wasn't blessed with the talent to become a ninja. Upon death, he regained memories of his past life and chose to use the Omnitrix for the good of his people. This story follows Benji as he survives in the world of shinobi as one of them, disguising his abilities as the ninja techniques.
Crossover - Ben 10 & Naruto - Rated: T - English - Adventure/Fantasy - Chapters: 11 - Words: 96,704 - Reviews: 35 - Favs: 76 - Follows: 79 - Updated: 12/6 - Published: 8/2 - Naruto U., Kakashi H., Ben T., OC
The Watch and The Ring by Azazael-X reviews
Naruto Namikaze joins his family friend, Maxwell Tennyson and his Granchildren on their Journey. Gwen X Naruto
Crossover - Naruto & Ben 10 - Rated: K - English - Adventure - Chapters: 2 - Words: 9,433 - Reviews: 4 - Favs: 49 - Follows: 52 - Updated: 12/5 - Published: 11/12 - [Naruto U., Gwen T.] Ben T., Max T.
Omni Hero: Deku X by blazeninja0 reviews
When Izuku was on a road trip with his grandfather and his two cousins he he found a watch that gave him powers. Izuku X Harem A Rewrite of my original Omni Hero Deku
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 18,089 - Reviews: 6 - Favs: 51 - Follows: 60 - Updated: 12/5 - Published: 11/26 - Izuku M.
Ben 10 Switch On by CMXB reviews
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.
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Adventure/Sci-Fi - Chapters: 61 - Words: 88,051 - Reviews: 354 - Favs: 192 - Follows: 181 - Updated: 12/3 - Published: 12/22/2019 - [Julie Y., OC] Gentaro K./Fourze
My alien academia vol 1 by Wolfdrake29 reviews
while training to get into UA Izuku came across the Omnitrix and his world gotten a lot bigger and now he has to master both the watch and one for all to become a hero like his idol All might but can he make the cut? find out. Izuku/harem mixing with some DC characters and a few other surprises and a bit dark toned. (On hold)
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Sci-Fi - Chapters: 19 - Words: 76,718 - Reviews: 90 - Favs: 247 - Follows: 273 - Updated: 12/2 - Published: 2/2/2021 - Lucy M., Izuku M., Ochako U., Momo Y.
Lost in a World of Heroes by DMDSKLL reviews
After a grave defeat, Ben loses hope in being a hero but after some unexpected circumstances, the wielder of the Omnitrix is transported to a world filled to the brim with heroes. Having to adjust to not only a new country but also going to school to be a hero Ben has plenty of challenges ahead.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi - Chapters: 23 - Words: 81,684 - Reviews: 114 - Favs: 291 - Follows: 308 - Updated: 12/1 - Published: 6/7/2022 - Ben T., Shouta A./Eraserhead, Mina A., 1-A Students
A Trip to Remember by LG Shala reviews
A shape-shifting alien hero, eager to see the universe after saving it. A human-gem hybrid, burdened by his inheritance, looking to discover himself. When Ben Tennyson and Steven Universe realize they're both going on a road trip, they decide to explore the universe together.
Crossover - Ben 10 & Steven Universe - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 38,375 - Reviews: 25 - Favs: 29 - Follows: 25 - Updated: 11/30 - Published: 4/20 - Ben T., Jimmy J., Steven U., Ronaldo F.
Ben 10 Ga Kill by JerryAwesome24 reviews
Ben Tennyson finds himself in the Akame Ga Kill universe he finds out that there is a corrupted Empire and the Prime Minister is controlling the young Emperor to control the people. So Ben joined the assassin group Night Raid to helped them defeated the Prime Minister and bring peace in the world. BenxHarem.
Crossover - Ben 10 & Akame ga Kiru/アカメが斬る - Rated: T - English - Sci-Fi/Fantasy - Chapters: 16 - Words: 81,034 - Reviews: 60 - Favs: 92 - Follows: 89 - Updated: 11/30 - Published: 9/28/2022 - Ben T., Tatsumi, Akame, Sheele
Kamen Rider Alterum (Version 2) by Chris Chronos
A Ben-10-themed Kamen Rider fanfiction. This story follows Hiroki Tennyson, a lone wanderer in a world plagued by a zombie virus, who has been chosen by Eunice to become Kamen Rider Alterum. The first chapter should provide sufficient insight into the author's intended direction. [This is a rewritten/ improved version of an older fanfiction. The old one will be taken down soon.]
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 16,057 - Favs: 6 - Follows: 6 - Published: 11/30 - [OC, Eunice] Tsukasa K./Decade, Sougo T./Zi-O
Amphibia 13! by Vgn Golley reviews
Anne and Dereck were just normal kids enjoying their average lives, until one day, they were forced by their friends to steal a musical box, and a pair of strange watches fell down from the sky as they were then transported into another world. Now watch as the kids live among the Frogs, go on adventures, and learn secrets from their Omnitrixes! Full summary in the first chapter.
Crossover - Ben 10 & Amphibia - Rated: M - English - Adventure/Sci-Fi - Chapters: 17 - Words: 258,735 - Reviews: 111 - Favs: 112 - Follows: 99 - Updated: 11/29 - Published: 6/1/2021 - [Anne, OC] Sprig, Hop Pop
The Ultimate Ben 10's Piasa Christmas by GhostAlleyCat reviews
On his way to a Christmas Party Spider-Man is having at his Spider's Nest, Ben accidently awakens the Piasa Bird and now the heroes have to take it down.
Crossover - Ben 10 & Ultimate Spider-Man - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 1,903 - Reviews: 6 - Published: 11/28 - [Ben T., Kai Green] [Peter P./Spider Man, M.J Watson] - Complete
The Ben 10 Crossover Idea Roundtable by MiniTennyson reviews
This is basically an idea collection where I'll post my story ideas for you to vote which one of them will become my next story along with the chance of getting one of these ideas to be your story. EVERYONE IS FREE TO USE ANY OF THOSE IDEAS! IF YOU ARE INTERESTED, PM ME OR REVIEW!
Crossover - Ben 10 & X-overs - Rated: T - English - Adventure - Chapters: 23 - Words: 34,487 - Reviews: 76 - Favs: 11 - Follows: 10 - Updated: 11/27 - Published: 6/5/2022 - Ben T.
The Multiversal Oneshot Theatre by MiniTennyson reviews
A dedicated one shot story for each series for everyone to enjoy. Featuring characters from across all corners of fiction interacting with one another like never before. From Fanfiction AU Mergers to Crossovers, this promises to showcase oneshots from Ben 10 to Naruto, this promises to be an unforgettable experience. *Oneshot collection; also on AO3*
Crossover - Ben 10 & X-overs - Rated: T - English - Adventure/Fantasy - Chapters: 20 - Words: 40,812 - Reviews: 32 - Favs: 12 - Follows: 10 - Updated: 11/27 - Published: 9/21/2022 - Ben T., OC
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