This is an idea I've had kicking around for awhile now. Partially inspired by inu's Mirror, Mirror story and partially inspired by the fact that we see Charley turned into a mouse a lot, but we never quite see what would happen if the opposite occurred...

Usually it was entering Limburger's tower that was the tricky part. This time, exiting was becoming a problem.

The Biker Mice had foiled another of Limburger's schemes, neatly defeating the Plutarkian and his current villain for hire, a short blue-skinned humanoid decked out in a grass skirt and bone jewelry. They had entered the tower with relative ease, scaling the outside walls and breaking into Limburger's office where the slimy fish was yelling at Greasepit and Karbunkle for failing to produce what he had asked of them.

They went through the usual ritual, the mice threatening, the bad guys quivering in fear, but then something different happened: the mice were hit from behind by a blue ray of light. The villain, whatever his name was, had escaped from where they had tied him up and hit them from behind, shooting each of them with a strange device that emitted the blue beam of energy. They had all felt the heat of the light as it brushed over them and while it was not painful, they were more worried about the gleeful look of triumph that had crossed Karbunkle's twisted face.

Throttle was the first one to feel a wave of nausea pass through him, making him double over on his bike with the pain. Vinnie and Modo were not far behind, groaning as it felt like their fur was catching on fire and rippling through them. Knowing something was wrong, they tried to hi-tail it out of the tower, but all three of them couldn't make their bodies work like normal. The bikes were slow to respond to commands, sending them into walls and down stairs. The mice themselves were barely aware of what was going on, trying to dodge laser fire and henchmen through vision that was slowly hazing over.

Modo finally had the thought to fire a missile at an outside wall. Unfortunately the hole he made was three stories up and the mice were too out of it to notice in their rush to try and get away. They crashed down into an alley, the bikes just managing to cushion their fall so they could survive. Before passing out from the pain, Throttle told the bikes to take them back to Charley's place, succumbing to oblivion when he felt them move in the direction of the Last Chance Garage.

Looking up from where she was working on a customer's truck, Charley's green eyes widened in fear and panic when she saw the slumped figures rolling up to her garage. The bros looked like they were passed out on top of their bikes, completely still except for a few twitches of their tails and chests to show they were still breathing.

"Guys!" she cried out, rushing to them when the bikes came to a stop. "Vinnie, Throttle, Modo!" she shouted, shaking each one by the shoulder. She gasped when she felt how hot they were; the mice were generally warmer than humans because of the fur and the heightened metabolism, but now they felt like they were on fire. Their fur all felt strange as well, like the feeling of hair when a person is sick, rough and lank. Modo groaned and opened his eye, wincing as another wave of pain tore through him.

"Ch-Charley ma'am?" he whispered, trying to sit up on his bike but not able to because of the pain. "How did we get here?"

"I don't know, big guy," she said, taking his arm and trying to help him off his bike. "Let's get you guys off the bikes." The gentle giant could barely support his own weight but he managed to help Charley move Throttle and Vinnie to living room. The bros stirred slightly as they were moved, Vinnie opening his eyes as he settled into the reclining chair he was fond of.

"Charley girl?" he said, his pink eyes glazed over with pain. He shivered though he was burning hotter than ever. "What's happening to us?"

"I don't know, Vinnie," she said, putting a hand on his arm. "But we'll try and-oh my god," she gasped, staring at her hand. Patches of fur had come off when she stroked his arm. "That can't be good."

"What's not good?" Vinnie glanced down at his arm before Charley could stop him. "HOLY MOTHER-FREAKING CHEESE!"

"Vincent!" Throttle growled from his place on the smaller couch. "What the hell are you yelling about?!"

"I'm going bald!" Vinnie screeched, his pain temporarily subsiding to panic over his sudden hair loss.

"Freaking hell," Throttle muttered, grimacing as a wave of heat washed through his gut. "We all could be dying and you're worried about sudden hair loss?"

"Um, Throttle?" Charley said. She had come up next to him and was looking him over with growing concern, pointing at a patch of bare skin on Throttle's neck. "You're loosing hair too."

"Oh mama…" Modo groaned through his teeth as he ran a hand over his balding stomach. "Same here."

"Let me get you guys some ibuprofen," Charley said. "You're all burning up, we need to bring the fevers down."

The rest of her evening was spent taking care of the bros. Charley put cool cloths on their heads when they were too warm, piled blankets on top of them when they started to shiver. She had tried to get them to eat but not even Modo had the stomach for any food besides crackers and water. Their helplessness scared Charley more than fighting aliens or being kidnapped ever had.

"Relax, Charley girl," Throttle said late into the evening. He was sipping cold water slowly through a straw, grimacing at the pain of swallowing. "It's probably just the flu or something."

"Didn't know you guys could get the flu," she muttered as she put a fresh washcloth over Modo's forehead.

"We'll be fine, Charley ma'am," Modo said, smiling gamely at her. "Like Throttle said, it probably ain't a big deal."

"I don't know what you bros are talking about," Vinnie muttered from inside the blanket cocoon that he refused to come out of due to his hair loss. "Losing my gorgeous fur is a pretty big deal."

"He must be feeling better," Throttle muttered, shooting a dark look at the younger mouse.

"Your guys' fevers have come down some," Charley said, putting the back of her hand to Throttle's forehead. His tawny bangs brushed against her wrist, damp now from all the sweating he was doing because of the fever. For some reason, the hair on his head was staying while the rest was still slowly coming off. "And it's time for some more ibuprofen."

"Thanks, Charley ma'am," Modo said as she handed him six of the little tablets. "These've helped out a lot."

"Yeah, who knew Earther meds could be this effective?" Throttle said with a weak chuckle as he took his share of the pills. Charley glared at him on principle but was inwardly relieved that he was joking again.

"Just take the drugs and try to get some sleep," Charley said as she put more pills into the hand Vinnie had reached out of his blanket. "I don't know about you guys but I'm about to fall over."

"Don't stay up because of us, Charley ma'am," Modo said, his concern for her overriding his pain. "If you need t' sleep, I'm sure we can take care of ourselves."

"Yeah Charley girl," Vinnie's muffled voice said. "We'll just crash here if you don't mind too much."

"Like I'd kick you guys out now," Charley said as she arranged some extra pillows and blankets in the middle of the floor. "Someone needs to look after you."

"Thanks Charley girl," Throttle said, pulling the blanket up closer to his chin. "I think things will be better in the morning."

"I hope so," Vinnie muttered as everyone drifted off to sleep. "If any more of my fur falls out I may destroy Limburger with my bare hands."

The next morning, a beam of sunlight slanting across her eyes woke Charley up. Wincing, she sat up and stretched, getting some of the kinks out of her back. "Whoever said sleeping on the floor is good for your back is full of crap," she muttered, pushing auburn hair out of her face. "How you guys feeling?" she asked the three lumps of blankets on her furniture. None of them stirred so she sighed and stood up, going to the kitchen to make some coffee.

She came back into the living room sipping a mug of the heavenly brown brew. None of the bros had moved, which made her a little nervous. "Guys?" she called, gently shaking Vinnie's shoulder. "You o- oh holy shit," she ended on a whisper; strands of white-blonde hair were poking out of the top of Vinnie's blanket. "Oh holy freaking shit!" She pulled the blanket away from Vinnie, shocked to find pale human skin where she was expecting white fur. Then she saw his face and had to bite back a scream: Vinnie's face was completely changed. Instead of a snout with buckteeth, he had a straight human nose over full lips. His jaw was the same, strong and nicely angled with small human ears that had some pale hair hanging in front of them. His mask still fit over the right side of his face, hiding one cheekbone from view. His face still retained some of the characteristics that she was used to, just…human. And handsome.

Charley just stared at him for a few seconds in sheer panic. She gently touched his face with her fingers, shocked to find the skin was warm and not an illusion. Vinnie murmured in his sleep and turned toward her touch, a slight smile on his face. She was taken aback at the lack of buck teeth, seeing only even human teeth.

In a rush of fear, she turned and ran over to where Throttle was sleeping with his toffee-colored hair laying across the pillow and-no antenna. His antennae were gone. She pulled the blanket back to see human skin several shades darker than Vinnie's. Throttle's hair was the same as before, his hair falling over his shades as he slept. His shades were halfway down his face, not fitting properly now that his ears were not where they were originally. Throttle now had high cheekbones and a slightly cleft chin.

Then she rushed to Modo, finding dark chocolate skin and tight black curls covering his scalp. And a broad nose where his snout should have been. And full cheeks with a strong jaw line. His eye patch looked odd on this face, slightly askew because it wasn't tight enough. His shoulders were just a broad as they were when he was in his normal form but the scars were still there, as was the gentle expression she had come to associate with Modo in his sleep. His metal arm was somehow smaller and looked a bit more refined, like it had been made for a human size instead of a mouse's.

Charley stared at the bros, her eyes wide as she looked. And looked. And looked some more. This wasn't happening. There was no way Martian mice had turned into human men overnight. How had this happened? What the hell had turned the bros into very attractive human men?

Throttle groaned and opened his eyes, squinting at the sun coming through the window. "Charley girl?" he said, his voice slightly gravely from sleep. "What's with the face, huh? You look like you've seen a ghost."

"Not quite," she whispered.

"What?" Throttle said, reaching up to rub his ears-

Only to find that they weren't where he was used to them being.

"What the hell?" Throttle muttered, blinking his eyes a few more times. Maybe he was still asleep. He started to reach up again and caught sight of his arm-with no fur on it. Only tan skin. "WHAT THE HELL?!" he shouted, bolting up off of the couch and promptly falling over. "What the hell?!" he said for a third time, twisting his head around to look behind him. "Where the hell is my tail?!"

"Throttle, bro, what's with the ruckus?" Modo muttered, sitting up so that the blanket fell off of him, revealing what looked like acres of smooth, muscled chest covered in dark skin. Charley could feel the back of her neck heat up at the sight. True she saw Modo's naked chest a lot but it was somehow more…erotic without the fur.

Modo looked curiously at her, squinting his eye (which was now a deep brown, almost black color). "Charley ma'am, you ok?"

"I think I'm about to have a goddamn heart attack," she muttered, sitting down on top of Vinnie's feet. Her legs couldn't take standing anymore. "Modo, look at yourself!" The gentle giant did, his eye widening at the sight.

"Oh mama…" he breathed, twisting to try and see the rest of him. His hands ran over his shoulders and up onto his scalp, sweeping over the tight curls and exploring the strange texture. "What happened?"

"I don't know," she replied, still watching Throttle try to negotiate walking without the aid of his tail. "I woke up and you guys were like this."

"Man, how do you humans walk without tails?" Throttle muttered, taking a cautious step forward. His toes caught on the end of his pants and pulled them down slightly, revealing more tan skin and a trail of dusky brown hairs leading down. Charley's blush deepened. While their clothes were still fitting for the most part, there were a bit looser due to a decrease in muscle mass. Not that they weren't still muscled, she mused to herself. Just less bulky, more human-sized.

"Man, did we get drunk last night?" Vinnie muttered, finally stirring from sleep. "Why do I feel like I have a hangover?" He caught sight of Throttle and Modo, who was now stretching out his legs in front of him to examine human toes. "Man, I'm still drunk. You guys look human."

"We are human, chest for brains," Throttle grunted. "Including you."

"Say what?" Vinnie said, glancing over at the decorative mirror Charley had on one wall to make the space look bigger. His eyes (now a golden brown color, almost like amber) widened as he examined his face, turning to look at it from every angle. Charley held her breath, waiting for the freakout she was sure was coming.

Vinnie finally stopped examining himself and turned to look at her, smiling slightly. "At least I'm still studly," he said before passing out cold.

So, yeah...I honestly have no idea where I'm going with this or even if I'm going to continue. Please let me know what you think