A Star vs. the forces of evil AU crossover. While Marco, Ferguson and Alfonzo help Janna with one of her dark summoning rituals, they end up summoning a certain Son of Sparda as well as a couple of demons. One of which bites Marco and infects his arm. This story will use stuff from DMC 4. The pairing for this story will be Star x Marco x Janna.

This is basically Star vs the forces of evil exept Marco is the main character and has the Omnitrix and he also has a harem but completely oblivious to it like classic harem animes (ON HOLD)

The animated universes of Gravity Falls, Star vs. the Forces of Evil, Amphibia, and Owl House collide in this alternate universe/multiverse. They are all connected only by Earth, a dimension unique in the fact that it is part of four separate universes, with four multidimensional deities overseeing it. Marco has rediscovered magic, but the cost is that it has unleashed Bill Cipher.

Naruto lo habia logrado se habia vengado de todos, pero ahora ya no tenia un proposito hasta que alguien lo termina enviando a otro mundo

An Alternate Genderbent Meteora with an affinity for the Insane Clown Posse and Professional Wrestling, His adopted usurper daughter Festivia and his Goth Unicorn Mare wife go on adventures across dimensions, universes and timelines after a crisis event occurs. Rated M for Sexual references, Frequent Violence, Coarse Language and Alcohol.

Popo and Nana come to contact with Star Butterfly, who becomes a bit too obsessed with the Ice Climbers for her own good.

Luz Noceda and her mother move to Echo Creek. With a fresh start, Luz put her past behind her and made new friends that accepted her weird behavior. Her life changes forever when her best friend, Marco Diaz, because the guide to the foreign exchange student Star Butterfly, a magical princess from another dimension.

Birthday fanfiction for Drawful-S in a semi remake where Star and Bianca fart off together with Marco letting loose into the stinky story in his own wafty way!

Connie has a crush on her Karate instructor, Marco Diaz. Despite the clear "differences" between them, she boldly attempts to make her feelings known. Then she ends up with more than she bargained for. Not like she didn't expect it anyways.

A girl suddenly appears at Marco's house and starts living there. How can that be anything but the start of an adventure around the world and across dimensions. It's only common sense. Right? SVTFOE, Kenichi, Ranma 1/2, and whatever else gets thrown in along the way.

A series of robberies from different malls around the Suffolk County Area of New York has been occurring for the past few months plus, an up-and-coming poet involved with this mystery, has been killed, with the suspects being 2 recently reformed criminals. Can an unlikely trio of 2 women and a pre-teen girl, and her ferret, solve both cases, and clear the 2 suspects' names?

What happens when you have a princess with chaotic magic become the familiar of someone with little to no magic? Well it's best to be prepared, because things in Halkeginia are gonna get a little weird. *Mix between Anime/Light Novel, and sixteen-year old Star Butterfly. *Cover Art TBD

In the deep wonders of the multiverse hides a variant of The Collector that has deep knowledge of the multiverse and has a goal to restart their branch of the timeline to create a better future for their universe. That timeline being from universe #516, where our heroes from the Boiling Isles and Amphibia are in. Will he restart the branch that universe #516 has created?

AU. Star Butterfly is the Princess of Mewni. Monkey D. Luffy is a boy who dreams to be King of the Pirates. And despite being from different dimensions they are sworn siblings. Watch as they go on adventures with their new friend Marco and sometimes their older brothers Ace and Sabo, fighting all sorts of monsters, pirates and other evils with magic and rubber powers! Please R&R!

For anyone that liked the original version of the story, here's the uncompleted cut of it.

Marco struggles with life in Danville when he, along with Star, Tom, and Janna, are asked to protect Milo. Re-uploaded because for some odd reason it wasn't viewable on the X-over section, so that's why I've put it here.

After Echo Creek and Mewni merged, Marco left his hometown in frustration and returned 3 years later arrested. His grandfather takes him to an adventure with his friends as they battle their vampire nemesis to save Angie and Mariposa. Cover by MALANDRA-PARODIAS in deviantart.

Welcome to The Pentagon - Original Version, The story revolves around Dipper, Pacifica and others dealing with both everyday problems and extraordinary problems, there's lots of Shipping and more. (No Pinecest) (Not just Romance and Adventure)

Welcome to The Pentagon - Definitive Edition, The story revolves around Dipper, Mabel, Pacifica and others dealing with both everyday problems and extraordinary problems. (No Pinecest) (Not just Romance and Adventure) This Story will be receiving one chapter every two month and will be finished (Hopefully).

Locked in a crystal for dozens of years, the Guardian of Mewni, Naruto Uzumaki, was once again released, this time with the mission to protect Star Butterfly, the princess, a completely clumsy girl, now the two, together with the human Marco Diaz, will live incredible adventures, exploring the Earth, other dimensions and fighting the forces of evil.

Marco, during his Scissor Quest is given a little help in the form of a Class Card after he helps a certain Old Man of the Jewels... it changes everything. For him, for Star, and everyone. Marco will see the world and people in a new light. Marco x Star. Marco x Harem Multicrossover fic Rated M for Blood, Gore, and Lemons. For 18 only.

Sonny Munoroe is the princess of Mewne,after cant controlling the wand’s powers she was sent away from her home to earth so she can learn how to control the wand.There she befirends a boy named Chad Dlyan Cooper and together they fight monsters that come to earth that will do anything to steal Sonny’s wand.

What if Izuku had a childhood friend? What if I told you that childhood friend was Marco? What if I told you that Marco was the Avatar? Want to know what I mean by that? Keep reading my friends. I do warn you, this gon' get a little weird. (Final name change, I swear). Part of a larger universe, you'll notice if you read all my stories. Also, promise this'll get better with time.

when two worlds collide and a group of interdimensional travelers are brought together in a world where magic was destroyed and interdimensional travelers is limited what consequences could happen when one of the building blocks of reality is removed

Marco don't know that he will have to deal with two exchange students who will live with him. Star don't know that she will have complex relationship with other exchange student...But there is one thing they can agree on, Naruto really make everything complicated!