Gwentennyson Stories

Y/n's summer just got Weirder when he finds a watch that turns him into aliens. him along with his best friend Jennifer tennyson become the ultimate Heroes

When Gwen is told Ben has a new girlfriend some time after a bad breakup with Julie, she is at first overjoyed but then becomes more than shocked as to who it is and ref...

Series of oneshots including human females from Ben 10 series.

You've been a part of the Tennyson family ever since you were born. Sharing a birthday with Ben, the two of you have been joint at the hip. So of course he invited you t...

A girl from our world transmigrated into the Ben 10 universe as the twin sister of Ben Tennyson. What happens when the Omnitrix chooses her instead of her brother? How w...

Ryan has been Ben's friend for a while but doesn't know anything about the aliens in space and on Earth, he doesn't know Ben's identity but later when he finds out all h...

(Hey it's HarleyWinter7, I made a new account.) Jen Tennyson, she is a ten year old genius. She feels isolated from the people around her and if not it is because she i...

Remnant a world full of magic and monsters. But what happens when a certain shape-shifting alien hero drops into to this world? Join Ben Tennyson as he journeys through...

Y/n's summer had just gotten weirder when an odd device from space clamped itself on his wrist. Join him as he uncovers secrets of the watch with his friends and allies...

After defeating the Dagon and saving the world, Ben, Kevin and Gwen each goes their sperate paths. Ben remained in Bellwood to fight crimes while his cousin Gwen went of...

After two years since Mystery Incorporated disbanded, they come together to solve a mystery on an island amusement park. Joined by Ben Tennyson and his cousin, Gwen Tenn...

(Takes place in the Tv series) Whats better then a kid with the powers of a Spider? A kid with a watch that can transform into aliens that helps the kid with spider powe...

Ben Tennyson was just a normal ten year old.He wanted to be a hero but could never be one Due to him lacking a quirk. However, in a literal sense... Destiny fell from th...

Danny Fenton: 16, halfa. Ben Tennyson: 16, Omnytrix host. What would happen when these two people collide in the most extreme ways? Disclaimer: I do not own the two wor...

Azmyth made a second watch after the creation of the Omnitrix. You are a girl thats on her own, what happens when you team up with Ben Tennyson and Rook Blonko? Read to...

Princess Komand'r, heirness of the Tamaranean throne, was no more. To the eyes of anyone who knew her, she was as good as dead. And where the life of Komand'r ended, Kor...

"Ben?" "Yeah Rook?" "What are these?" All the colour drained from Ben's face when his eyes landed on the items in Rook's hands. His ballet...

For the time being, [name] would just like to have a few moments to herself- a vacation would be most appreciated. The only issue is that she isn't used to Earth culture...

One day your mom decides that you need Fresh Air so she calls her longtime friend Max Tensions and this summer you and Ben found both The Omnitrix but yours is evolved v...

This event happen right after the end of season 1. Prime Ben learn a few magic in this story and have Gwen's old spell book.