Disclaimer: I do not own TMNT 2012.

It was Donnie, alright. Except he seemed different.

His olive green skin had all kinds of scars. Even his shell was tarnished, his carapace heavily marred with nicks and scratches and lengthy gashes and his plastron sporting an extensive mark that slanted from its top left to its bottom right. His bo-staff was as damaged as his outer appearance and there were more of those bandages wrapped around his hands, forearms and shins. His bandanna mask was torn, ragged and long enough to almost reach the middle of his back. Behind the purple band of cloth were burgundy eyes, no longer cheery and youthful but hard and sharp, as if their owner had lived through the worst of times.

"No…it can't be," Leonardo muttered in disbelief as he placed his katana back into their sheaths. "Donnie…we saw you die and – "

"Hey, let me explain first, would ya?" Donatello snapped, his voice suddenly sounding far too mature for him, even with his evident tooth-gap. "I'm actually not the science-loving, gear-hugging dork you all know as your brother."

"What the shell are you talking about?" Raphael butted in, still armed with his sai. "You look and sound just like him, except that you seem like you've been hit by a bomb and is equipped with a nasty temper."

"Like I said," the purple-masked turtle repeated, sending Raph an intense glare, "I'm not the Donatello you all know and love."

"If you ain't our Donnie, then who are you?"

He took in a deep breath, emphasizing the gravity of what he was about to say.

"I'm…from an alternate dimension. Technically – "

A crude snort interrupted him. Donatello turned to its source: The turtle with the most attitude in the team.

"You're joking, right?" Raph scoffed as he let out a laugh. "Seriously? 'Alternate dimension'? That's a load of bull! There's no such thing as – "

There was a sudden flash and the red-masked turtle found himself staring at the newcomer's blade that was an inch from his face. He tried to counter-attack with his sai, only to notice their absences in his hands. He checked his belt but they weren't there.

"I ain't like your Donnie. I ain't a peace-wanting geek," alternate dimension Donatello hissed as he moved his naginata's blade to Raphael's neck. "I'm more like a 'kick butt first, ask later' kind of guy. Plus, I get ticked off easily. So if I were you, I'd watch my mouth."

His defiant stare and slight snarl made Raph think that he was looking at a mirror image of himself. Leo ran towards them, only to be stopped by a sai pointed at him.

"And you, Leonardo," the purple-masked turtle added, not turning around, "blaming yourself for your brother's death ain't gonna help. So is telling yourself that you can't protect your family. You're a teenaged mutant ninja turtle, for crying out loud! You'd better get your head back in the game before I'll do it myself! And stop it with all of this depression shi – I mean – crap! That goes for all of you baka!"

Not waiting for them to nod in agreement, Donatello retracted his bo's blade and threw the sai back to Raphael. He then put his staff back on the belt holster on his back, grabbed a heavy-looking duffel bag that sat nearby and began to walk away.

"It's getting late. Let's get back to the lair and I'll explain everything there."

They made the trip back to the sewers in silence with the alternate dimension brainiac in the lead. It slightly bewildered the other three turtles that he actually knew the way back to the lair.

"Your Donatello…how did he die?" He suddenly asked.

The three looked at each other, uneasiness settling in the pits of their stomachs. When he got no immediate answer from them, the disfigured turtle came to a halt and swung his duffel bag 360 degrees, effectively hitting them when they sped by.

"Hey! What was that for?" Michelangelo whined as he rubbed the area that got hit – his left cheek.

"I believe I asked you gaki a question," Donatello barked, approaching the youngest turtle. "Ain't it a show of politeness and good manners to answer the question?"

"He got hit by the Foot's shuriken," it was Leonardo who replied, stepping in front of Mikey and protecting him from the brainiac's impending wrath. "I was tripped by one of the Foot ninja and would've been killed if it weren't for Donnie. He was the one who got battered with shuriken instead of me. His shell was practically riddled with them, a few of the shuriken going about two inches deep."

The leader could have sworn he saw a flash of surprise in Donatello's eyes, but it only lasted for a second, too short a time for him to confirm.

"Two inches, huh?" The bo-staff wielder repeated, scratching his head in thought. "The shuriken must've snapped his spinal column and cord in several places, instantly killing him."

"Wait. Wouldn't it like leave him in a paralysis or something like that instead of…you know – "

"As I said, his spinal cord would've been broken in several places, not in only one. This would sever his brain's connection to most of his body. His heart would stop beating, his diaphragm would stop contracting to let air into his lungs and so on and so forth. Death will follow shortly afterwards."

As he spoke, the others were staring at him with wide, shock-filled eyes, including Raphael the gore lover. In return, he cocked an eye ridge.

"What?" He questioned as he walked on again. "Was it something I said?"

"It was pretty much everything you said," Raph pointed out, suppressing a shiver. "And what's in that bag you carry anyway? When you hit us with it, it felt like a sack of bricks was thrown at us."

"None of your business."

Donatello jumped off the building and nimbly landed on the pavement. He then came to a sewer lid, lifted it and pointed at the now open manhole.

"Get in," he simply ordered.

The three brothers landed next to him and looked at the manhole with much doubt. He facepalmed.

"What the shell is it this time?"

"Well, it's just that…we aren't really familiar with New York's sewage systems," Michelangelo answered as he rubbed the back of his neck, "we have yet to travel the canals and we could get lost and – "

"I get it! I get it!" The brainiac cut him off and muttered something in Japanese. "Just get your frigging shells in already! I know the way back! Gah! You guys are hopeless ahondura!"

A/N

So Donnie's not really Donnie but an alternate dimension Donnie.

OK, too many Donnie's there. XD

Sorry if I gave some Donnie fans out there a scare, if any. Like what my mother says: "Why would the director kill a main character if he knows that the fans of his show will most likely get angry at him?"

Alternate dimension Donnie's a badass, don't you think? I mean, he almost cussed there! If you don't know what I mean, I suggest you read again his conversation with Leo where he had Raph pinned with his naginata.

Right so…here's the meaning for those italicized Japanese words. Let's call it…the "Japanese Vocab Corner"! (Note that alt-dimension Donnie refers to all of them so apply the words' forms of pluralization)

Baka – Idiot, but can also mean Dumbass.

Gaki – Kid, but can also mean Brat.

Ahondura – See Baka.

Hope you liked this chapter!