Mutagen Stories

❝ I've been stuck by glue. right onto you. ❞ ˏˋ°•*⁀➷╰┈➤ IN WHICH- the infamous casey jones has a girlfriend who loves vigilante-ing and hockey just as much as he does. but she loves him even more. (Casey Jones x OC) (Teenage Mutant Ninja Turtles 2012 series) (Season 2 - Season 5)

Four turtles. One rat. And a city filled with crime. Will Leo, Donnie, Raph, and Mikey be able to put a stop to Shredder and Kraang? Or will the world be mutated? Made in association with @Edgy_Da_Uni's series, Royaltale. This will also eventually lead into the second season of which, and my Undertale/Undertale Yellow/Deltarune × TMNT × Sonic × Transformers crossover series that takes place during the second season of Royaltale. https://www.wattpad.com/story/273015099?utm_source=android&utm_medium=link&utm_content=story_info&wp_page=story_details_button&wp_uname=Colossus_Prime Co-writer/artist: @Edgy_Da_Uni

TMNTxReader Slow beginning, and I WILL WRITE different endings so all fan girls and boys can be happy with who they end up with. (Y/n) is an intelligent, but awkward biology buff. Your father also works in Biochemistry, allowing you to work with advanced equipment, and advance your studies. One day, you find something very interesting. There is a way to change the DNA of an organism, and still have a living patient. You set out to create the answer, a substance that completely goes through this process, but have little luck. The results are unpredictable. Then, while investigating some leads to this substance, you run across the answer. And they are very attractive.

Four high school jocks. One broken wall. A sewer full of glowing mutagen. After a freak accident sends Leonardo, Raphael, Michelangelo, and Donatello tumbling into the sewers, their lives change forever-literally. Now mutated into something out of a comic book, the former athletes must learn to survive in the shadows of the city with the help of a strange rat who knows far more than he lets on. Meanwhile, above ground, a giant white fluffy cat named Mc-Fluffface is charming the entire student body... right into a deadly trap. Everyone falls that day. Some just land a little fluffier than others. 🐢🐱

[|ON HOLD|] Imagine in the episode, "The FourFold Trap", When Mikey was under the Toilet bowl, and the Tanks full of Mutagen. What if his brothers rescued Donnie first? What if they didn't get to Mikey in time? Mikey got Mutated. What wold happen? Read on to find out....

Kiowa was the child who never knew her parents, never even saw her father's face. All she knows of her mother is a voice, a song. Splinter was told to keep her hidden and safe and that's what he planned to do. But secrets rarely stay hidden...especially for a cat. When you're left alone too long, your mind starts to wonder about things you are told not to think about, you go places you shouldn't go and get involved with the wrong kind of people. Would Kio turn to her amphibian brothers for help? And what would become of the only friend she had? There are things about being an ally to the turtles maybe you don't know about?

While on a mutagen run, Mikey gets effected by a weird mutagen as it changes his life forever, he gains many new powers and is able to switch between forms, but is it all happy like it seems

Ethan and Nathan have finally found a loving family, the Hamato family, thanks to Michelangelo's efforts. But how did our lovable twins come to be? Where did they come from? How were they mutated? Well, this is their origin story. IMPORTANT: In order to understand this story, you must read the books in this order: Lost Mikey, Crazed Leo, and The Twins. Disclaimer: I do not own this comic series. Please go support the creator Yinller on DeviantArt.

Mikey is injected a refined version of the mutagen by the Kraang and is made prisoner for 3 weeks in dimension X, after the rescue, his family have to deal with the effects of the drastic changes on their little brother

One night when the turtles go out to find more mutagen they end up catching a guy that was collecting the mutagen that was scattered across the city. Only to find out that 'guy' was actually the young model, Veela Álvarez. OC X CANON AU

Jinny was a normal girl until she saw the turtles and mutagen was spilt on her. Join Jinny on her journey of becoming a teenage mutant ninja turtle.

In an alternate universe, where Japan never entered WWII, the country was entrenched in a civil war between two factions. Imperialists and the Freedom Fighters. The result of this was the creation of the NSA, National Science Agency, who's goals are to restore the country, and the Yakuzas, who are groups and gangs left over from the Imperialist regime. The year is 1952 and the country is in recovery. New discoveries are being made every day, and science is bringing the country back. With the discovery of tachomytes, an energy rich mineral scientifically named Tachomythium, and X-G5, a mutagenic compound, the country is about 40 years ahead of its time. The NSA and STORM, one of the larger yakuzas, both have grand plans for the country in their own unique visions. An expedition led by a head scientist in the Tachomyte extraction project turns into a horror show when they awaken an ancient god. Will this deity be happy to be awoken? Or will he go on a rampage across Japan?

In the year 20XX, twins Lily and Leo return to a broken down lab where their ancestors once worked, unearthing a new friend, as well as a history that had yet to be told...

[This is pretty much an AU pieced together from the various versions of TMNT throughout the years] ----- New York is a big, strange city. In recent years there have reports of mutated humanoid animals, ninja gangs, and missing scientists. There are the "Suit Men" who sometimes get reported, nearly identical sightings of well dressed men speaking strangely... Locals are concerned, but take it in stride. Some even seem to have adapted. Outside the city, the talk is largely dismissed as crazy urban legend. Until the outsiders come in and see it for themselves. Which is just what's about to happen to Aneka Kosmota. Her mother's recent death and her father's new job send them relocating from suburbia to the big city. Everything is strange, even the new, large schools where she meets April O'Neil and Casey Jones. However the path of unusual friends and change that relocating would ultimately send her down was completely unforseen.

When four turtles get mutated by splinter.

{DISCONTINUED} There was a girl who wanted to make a name for herself, one that had entirely been isolated for the beginning of her life. Her family, an odd group, one that will do anything for revenge against the one and only shredder. This girl will help her family with their revenge, anything that it takes. She will make Mother proud, and the rest of her Seishin. A tragic incident brings along a group of mutant turtles, showing her the right way. They open up a new path, they teach her everything she must know, they open her up to new possibilities. Her loyalty is with her clan- she will not allow this group of mutants to stop her. She will use them. But what if she falls in love with one of these mutants? Mutants she swore not to care for, using their connections and strength to get to the man who has abused the only family she has ever known? Now she has grown, now she will understand love, friendship, and the true meaning of revenge. Revenge on the family that abused her- without her knowing her. Revenge on the mutated bones of legendary demons from the land of Japan- spirits that want revenge on the Shredder. Spirits that are in the way of the only happiness she has ever known. Raphael and his family will be there to help her- even if her revenge will slowly kill her. ~~~ "I am the idiot who is caught between the two sides of this battlefield. God help us all." -(Y/n) (L/n