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all-that-tmnt-jazz · 3 years

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I thought of this idea and was curious if you’d be able to do head cannons on it because your writing is amazing— how would the turtles react to having a human S/O that can turn into a mutant whenever they please?

Ooh I like this one!!

Warnings: Swearing.

Incarnation: Bayverse

Extra Info: The mutant the reader can turn into will be different for each turtle- don’t worry, I’ll explain each one.

Leo:

So, your mutation never really came up in conversation

However, it only came up because you had (accidentally) been dragged into a fight with the Foot Clan

You and Leo had been on a date when Donnie had reported Foot Clan activity not far from your apartment

He tried to convince you to lock yourself inside, but you figured it would be a good time to reveal yourself

So, you managed to be dragged into the fight a few blocks away, joined by Raph, Donnie, and Mikey

You watch the boys struggle. You want to help, but you also want to wait for the perfect time

So you wait until you’re being cornered by four Foot Clan soldiers, and the brothers are busy

Perfect.

One of the Foot Clan soldiers tries to throw a small knife at you…

And you caught it.

“Shouldn’t have done that.”

You throw the knife back and hit the soldier

Using the distraction, you turn

The next time the soldiers look at you, wings have sprouted from your back, your eyes have gotten much larger, talons had grown from your fingertips and through your shoes, and your legs had gotten longer to a scary extent.

You are a half-human half-owl mutant.

“It’s showtime.”

You jumped off of the ground and immediately grabbed two of the three soldiers that had tried to attack you

You flew up above the city, not afraid to press your talons into their skin

You unashamedly flung the two Foot Clan soldiers into the Hudson, then watched them struggle as the current pulled them

You went back to the alleyway where the turtles were, watching from far above as they were continuing to fight the Foot Clan soldiers.

It was like they didn’t notice.

You dove down into the alley and pulled up at the last second, grabbing Foot Clan soldiers as you went.

You dropped them into the Hudson as well

You went back to the turtles, who had retreated to the rooftops to converse about what jus happened.

You were able to grab Leo and brought him many, many blocks away, and he was fighting the entire time

You put him down and landed in front of him- it was weird being taller than him for once…

You turned back, and he gasped.

“Y/N… That was… You?”

You nodded.

“I figured I should tell you at some point but it never came up in conversation.”

He just looked at you, unsure of what to think

He pulled you to his plastron and held you, then pulled your chin up gently

“You’re fucking amazing.”

Raph:

Raph always noticed you looking at him

Especially since oftentimes, you would be looking sad

You knew you had to tell him at some point, but it hurt your heart too much

You had gotten cursed and your lifespan became elongated

Also known as semi-immortal

And Raph was not

You’re body has been 18 for years, but you’re actually nearing your 30s

That was why you had been so against getting into a relationship

You denied him every time he asked you, until the day he turned 19- just to be sure

That was three years ago, and you started seeing signs that he wanted to propose

And you were proven right, one night at dinner

It was just you and him at the Lair- he had talked his brothers into leaving him behind while going on patrol this night

Things were going well, yes, but you knew the reason why he wanted to be alone with you

“Y/N, I’ve loved you for years. I want to be your for the rest of my life, if you’ll let me be in the rest of yours.”

You started crying.

He smiled, thinking they were happy tears

“Raph, I… I don’t know.”

His face dropped, but he nodded

“It’s okay, Darling. You aren’t ready, and I shouldn’t-”

“I’m not mortal, Raph.”

There was a long silence between you two

You tried to stop crying

“I’m semi-immortal, Raph. I… I got cursed years ago. I stop aging and will die eventually, just later than you because my life span will be longer… Much longer… Maybe even by centuries, I don’t know…”

He just stared at you, confused, and almost hurt

The only noise was your crying

You didn’t know what to do

Raph kneeled on the ground in front of you, all possible hurt gone from his face

“Y/N, how old are you really?”

“Um… 29. I’ve been physically 18 for-”

“11 years?” Raph asked you, shocked.

You could only nod.

“That’s why you kept saying no- it felt wrong to you.”

You nodded again.

He hugged you. You tensed, but soon relaxed into him when you realized he wouldn’t be letting go

“Is there anything you can control?”

“I… Just… Yeah.”

“May I ask what it is?”

You hiccupped- you had a bad feeling of where this was going.

“Age manipulation…”

“What?”

“Age manipulation. I can accelerate or reverse the age of organisms and non-living objects…”

You knew the lightbulb went off in his head the moment you said it

He let go of the hug, but remained holding your shoulders

“Raph, I know what your thinking, but no! It can backfire and you-”

“I don’t care-”

“You could forget memories, people, places. You could forget your brothers, even me!”

There’s another long silence

You see the light drain slowly from his eyes

You shrugged his hands from your shoulders and put your face in your hands

“I’m sorry… I shouldn’t have let it come this far…”

He hugged you again, pulling you off of your chair to put you in his lap

“You’re worth that risk, Y/N.”

“Raph, your brothers-”

“I can’t forget them- I have too many scars and too many memories to forget those assholes.”

You chuckled dryly.

“I’m sorry for not telling you.”

“It’s okay. You were scared… I know it’s easy to be scared when you have such a big secret to hide.”

You nodded against his plastron and snuggled as close as you could

“I love you, Raph,” you tell him. “I really do.”

“I love you forever.”

You smiled- genuinely.

“Then, yes.”

“Yes?” he asked. “What do you mean?”

“To your proposal. I’m saying yes.”

He held you even tighter

Donnie:

Despite loving Donnie with your whole heart, it was hard to be around him while he was in his lab

He had so many thoughts running through his head, it was hard to keep track

So, you often spent your time in the kitchen, talking to you deceased mother

You possess telepathic powers, and you are also a necromancer

You can hear thoughts and speak to the dead after a freak accident you witnessed in your mother’s lab years ago

It was the accident that killed her, but you didn’t know that until your father told you to prepare for her funeral

That was five years before you met Donnie

You were 17 when you met him four years ago, and had been dating for three of them.

You had been able to control it when you were 17, but then when you met Donnie, you had to re-learn

You had never met someone who thinks so much, and so loudly

You can listen to the thoughts of his brothers, too, and you find Leo’s is the most entertaining

(You’ve never heard him physically swear, but his mind is like a sailor)

But Donnie’s is the one who overwhelms you.

“Y/N, you need to tell him,” you mother says to you. “I can tell he’s starting to feel bad- you keep leaving without explanation.”

“I know, Ma. I just-”

“Y/N, who are you talking to?”

You’re heart stopped for a moment. You slowly looked at the doorway, where Donnie loomed

He was totally confused

Thoughts ran through his head

Are they okay? Is something wrong? Maybe they’re just talking to themself. Yeah-

“You’re wrong.” you say to him.

“I didn’t say anything.”

“I know. I still heard what you were thinking.”

“I’m sorry- you heard what I was thinking?”

You glanced at your mother, who had moved to stand next to Donnie

She nodded before disappearing

“I possess telepathic powers, and I’m a necromancer. I was talking to my mom- about telling you, actually.”

Donnie looks at you, shocked

His thoughts were louder than ever and were moving faster than you had ever heard

You covered your ears and closed your eyes- like that would help

He noticed this, and realization

They way I think is like someone screaming in your ear as loud as possible?

He thinks, knowing you were listening

“Yeah. I… I’m sorry,” you whisper, not moving

He approached you, but you didn’t see.

That’s why you leave the lab so suddenly sometimes? It gets overwhelming?

You nod.

He gently removes your hands from your ears and you finally look up at him

He smiles at you, almost guilty

“I’m sorry.”

“It’s not your fault, Don. You can’t help it.”

He takes you into his arms and holds you close

“Thank you for telling me, Y/N. Is there anything I can do?”

Mikey:

Okay, your mutation isn’t too spectacular

But it’s a mutation nonetheless

You were a test subject of the first recreation of mutagen that Shredder ordered Sacks and Stockman to make

But the Shredder and Sacks soon realized you wanted to rebel

Besides, your body was having different effects than they had hoped

So, they released you

And you went to the police

But did they believe you? No.

But a few years later, you saw Shredder fall. You saw Sacks get arrested.

Oh, now the NYPD listens

And when the man who “saved New York” was revealed, you immediately could tell he didn’t

“The Falcon” was a fake- you were surprised that everyone believe his story

Then two more years go by, and Shredder escapes prison, and then a “threat from the sky” tried to attack

But it was stopped- supposedly by “The Falcon” again

But this time, you knew it couldn’t have been him

A week after the incident, you saw a police escort heading toward Lower Manhattan

So, you followed.

Well, hitched a ride on the back of one of the trucks- which was easy in your mutant form

You hid when they stopped, then followed the path the officers made to a boat

In your mutant form, they let you onto the boat without question

Then, you saw the things that actually saved the city, proving your point

They were four turtle-human mutants- like yourself, but different animals. Obviously.

As the boat started to leave the docks, you approached the turtles, only you knowing that you shared their status as mutants

The one wearing an orange bandana immediately started cooing at you, picking you up off of the ground

“What a cute kitty… Leo, can we keep it?” he asked the turtle with the blue bandana

“We don’t know where it’s been, Mikey,” Leo had said.

So the one holding me is Mikey…

Mikey holds you the entire boat ride- and you don’t like to mention that you loved the way he pet you

Yup. you are a house cat. Specifically, a calico Turkish Angora

So, you followed Mikey off of the boat, and he kept smiling down at you as he walked

You soon realized you were at the Statue of Liberty

You saw that most- if not the entire police force of New York was gathered, as well as the Falcon, a woman from Channel Six named April, and some Ragamuffin Hockey Player-Turned-Police Officer

Then you saw Chief Vincent standing at a podium as she started speaking about the turtles who stood next to her

She thanked them for their bravery and service to this city and gave them Keys to the City

After a while of talking, she approached them to have a small group conversation for a moment

Then, she let them into the Statue of Liberty, and let them go into the statue’s torch

You followed them, of course

After the turtle’s celebration amongst themselves, you made your presence known by rubbing against Mikey’s leg

He squatted and greeted you, petting you

You soon backed away, though, and walked to the other side of the torch

You knew he followed, so, before he caught up, you turned into your human form

When he saw you, he screamed

The others immediately rushed over, and were shocked

“Hi. I’m the cat you were petting earlier,” you said- rather casually

“How? You’re a- person!” Donatello said- you had heard Chief Vincent say his name

“Yeah, I’m a person who got screwed over by Sacks and Stockman. I got mutated just before he got arrested.”

There was a long silence.

“Prove it,” Raphael demanded.

You turned into your mutant form and sat. You licked your paw, then looked up at Raphael, who had gone pale

All of them had gone pale, really, except Mikey

“Woah- you’re kinda like us, then?” Mikey asked.

You turned back and agreed.

“Awesome, dude!”

That was nearly five years ago now. Now, you and Mikey are dating, and have been for three and a half years

You never knew you’d meet your best friends because of the mutation you had wanted so badly to hate

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