Grandpamax Stories

I don't own ben 10 or the characters , it's owned by man of action , but the story and characters , or variations I make are mine Description: Our hero , y/n tennyson...

Ben is driving a while after the final battle in Ultimate Alien and ends up in a portal to another world. Ben doesn't get the new Omnitrix due to Azimuth not finishing i...

Invited to join a summer vacation with Max, Gwen, and your childhood friend Ben, you expect a normal, relaxing trip. That is until a meteor falls from the sky and gives...

Join Aria, Ben, Gwen and Kevin on an adventure.

Nova is an alien, a hybrid to be precise. She always knew of her alien heritage. who knew after meeting Ben would there be countless adventures, battles, an intergalacti...

Kamari Davis is the best friend and big brother figure of Ben Tennyson, he's there when they go on their trip and he's there when Ben gets the Omnitrix. But at the same...

about how a 10 year old boy was on his Vacation with his grandpa and cousin while having a watch that summons female aliane that have romantic on him, read more to see h...

After spending 6 years of being in love with her best friend, Ben Tennyson. Jenny had finally won his heart and were happily dating. Right when they thought they were l...

What if in this alternative timeline Ben had a friend named Y/N that also had family in the plumbers. What if he already knew about grandpa Max's secret and the omnitrix...

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...

Y/N L/N just finished his current year at school and was ready to embark on a relaxing summer vacation! That is however, until fate came from the sky. Now with a device...

In this story I'm aging the people of a certain scientific railgun by 1 year. But touma, index, motoharu, and other characters in toumas class are the same age as before...

No Description, because I don't wanna Spoil much

"The multiverse is home to great heroes and fascinating stories, but that's not our topic today. I'm assuming you're already familiar with the story of Ben Tennyson...

When the speedy twins meet ben 10 they steal a piece of his omnitrix to use on their flashcar which makes Ben's omnitrix go haywire which effects the pj masks which give...

On Jennifer Kirby Tennyson's was not your average kid when she got the Omnitrix she wanted to be a hero but she knew she can't escape from her fate that is her own famil...

Two weeks after the events of Ken 10 (s4 e7 of the classic series) Ken and Devlin are hanging out at home on mother's Day... Neither of them knew who their mothers were...

"Never thought my life was going to get so strange, but one summer road trip with my Best Friend, His Cousin, and His Grandpa changed my life forever either good or...

"Del! Hurry up Granpa's here!" "Ben, Drag me next time and I'll take your Sumo Slammers Card collection. Again" Join Ben, Del, Gwen and Max Tennison...

What if there were two Omnitrixes? And what if Ben had a twin sister? This is a story about Ben and his twin sister, Jen and about how they got the Omnitrixes. This stor...