A/N: And we find out who the mystery dude is. Just to be clear, I DON'T OWN 'THE POWERPUFF GIRLS'! ON WITH THE STORY!

Bri's P.O.V.

A white haired shirtless guy was sitting on my couch in my living room. Wow. I was going to have a LOT of explaining to do to Eric. I said, "If you don't tell me who you are, I'm going to get my boa constrictor!"

The guy's face lightened up and he nodded, smiling. "You...want me to get my boa constrictor?" I asked in surprise, as I lowered my defense slightly. He nodded harder. "Okay," I said.

I ran upstairs to find Killer's tank shattered around my floor. Killer was nowhere in sight. "Killer? Killer!? KILLER!?" I exclaimed as I looked around my room. Killer was gone.

I ran downstairs, grabbed a sharp knife, made the intruder get to his feet, pushed him against a wall, and held the knife to his neck. My hand was just under his Adam's apple, where the knife was. "That's the last straw buddy. You can come into my house, break my snake's tank, but YOU CAN'T TOUCH MY SNAKE!" I shouted.

Then I realized something odd. He wasn't fighting back. He just stood there like his arms and legs were useless. I took the knife away from his throat and let go of him.

The intruder crumbled to the ground. He didn't get up. I grabbed his muscular arm and got him to lean against the wall. He slid down the wall and went into a sitting position on the wall. I sat across from him. "Who are you? Seriously?" I asked.

He was looking at the knife. "Oh. The knife. Okay, okay. It's gone," I said. I put it on the ground and slid it away from us. "Happy?" I asked.

He nodded. "Okay," I said, "Let's start with your name. What is it?"

He looked down in shame. "No name?" I asked. He shook his head yes. "You do have a name?" I asked. He nodded again. "Can you talk?" I asked. He shrugged. "Can you point?" I asked. He shrugged. I got some paper and a pencil and wrote all twenty six letters of the alphabet. I said, "Just point to your name. Kay?"

He nodded and started to point. As he pointed, I said the letter, "K-I-L-L-E-R." I looked at him in shock. "K-killer?"

He smiled sheepishly and I got to my feet. He raised an eyebrow. "I'm getting you a shirt," I said going to my brother's room. I got the shirt from his closet and went back down to 'Killer'. I gave it to him and I said, "Put it on. Your head goes through the biggest hole and the tag goes in the back." I told him that last part after he raised an eyebrow and tilted his head.

He nodded and put the shirt on. "That's better," I muttered.

"Okay," I said, "You're Killer. Kill. Er." I figured he needed to learn English if he wanted people to understand him. I put my hand on his chest. "Killer," I said.

"K," He said, "Ki."

"Kill...er," I said slower," Kill...er."

"Kill...er?" He asked, tilting his head.

I nodded and said, "Yeah! Killer!"

At that moment, the Gangreen Gang entered the house, and I was a mere two inches from Killer's face. Crud!

Ace smiled slyly (Idiot) and said, "Ah, so you ARE a-,"

"I AM NOT!" I shouted at the top of my lungs. I got farther away from Killer.

"Then-a who's this?" Lil' Arturo asked.

"Killer," I said.

"Your pet?" Big Billy asked.

"Yes Big Billy. My pet," I said.

"How'd he get to be a human then?" Ace asked smirking.

"Maybe the surge sent out by Mojo Jojo's laser?" I muttered to myself. I said to Killer, "What do you think?"

Killer shrugged. "Ssso whatsss can he sssay?" Snake asked, sitting next to me.

"So far just his name. Watch. Killer, what's my name?" I asked.

"Killer," He said.

"See?" I asked.

"Hmm," Snake said. The gangreen gang split up throughout the house. That just left Killer, Snake, and me in the living room.

"Try saying Mouse," I said, "Remember? Mouse. Your favorite treat when you were a boa!"

"Mouse," Killer said, licking his lips.

"Ssso he can underssstandsss you, but he can't ssspeak?" Snake asked.

"N-no. I...just...never...spoke...human...before," Killer said slowly, thinking before speaking.

"Well, that's cool. I guess," I said, shocked slightly.

"I...even...know...some...curse words," Killer told us.

"Howsss?" Snake asked.

Killer pointed at me. "Whoops," I said, chuckling, "Must have been when I was yelling at Devin."

Killer nodded. "Now, how do I use these?" He asked, pointing to his legs and arms.

"Your legs?" I asked, "To walk on. And your arms are to grab things, like your food."

"Oh," Killer said. Snake and I got to our feet and I grabbed Killer's hands. I lifted him to his feet, and he fell backwards. I tried again. I told him to lean against the wall for support. His legs were a little wobbly at first, but he got used to walking.

"Good?" I asked.

He nodded and took his hand off the wall. He balanced himself out and said, "Like this?"

"No," I said rolling my red eyes, "Don't make your feet point towards each other. They have to be parallel, making sure they don't touch." He fixed his feet and smiled at me. "Perfect," I said. I walked a few feet away from him and said, "Walk towards me."

"Okay," Killer muttered. He walked two feet, and fell forward. I got out of the way and grabbed the back of the shirt he was wearing before he hit his face against the floor. "Thanks," He said.

I helped him back to his feet and grabbed his arm. I started to walk with him as he walked. We got to the kitchen and he sat at the table. I sat across from him and got a good look at him. He had white hair and brown eyes and his skin wasn't as white as mine, so he wasn't a full albino.

"What?" He asked.

"Hmm? Oh, nothing," I said, "But I'm thinking of calling Utonium."

"Why?" Killer asked.

"To see why you turned human, that's why," I said as I got up and grabbed the phone. I dialed the Utonium household and it was picked up by Buttercup.

"Yeah?" She asked rudely, "What do you need?"

"Hey Buttercup," I said.

"Oh, hello Bri," Buttercup said, "Sorry for being rude. I thought you were one of the Gangreen Gang members."

"It's fine Buttercup. Really," I said.

"Anyway, what do you need?" Buttercup asked.

"Uh, you know that surge that was sent out by Mojo Jojo's machine?" I asked.

"Yeah," Buttercup said.

"I found out what it did," I said.

"What?" Buttercup asked.

"Can I come over to show you?" I asked.

"Hey Professor, can Bri come over. She needs to show us something," Buttercup said to who I presumed was Utonium.

"Your father too," I said.

"You too," Buttercup said to her dad, "The Professor says to come over."

"Okay. See you in a few," I said. I hung up the phone and said, "Come on Killer. We're going to the Utonium house."

Killer nodded and said, "Okay."

"See you in about an hour Snake," I said as Killer walked out the door. Killer fell down the stairs. "Maybe more," I muttered, as I followed Killer out the door.

I helped Killer to his feet and we walked to the Utonium house. I knocked on the door and Killer said, "It's weird to walk."

"You'll get used to it big guy," I said.

The door opened and I saw Blossom. "Hi Bri," She said, "Who's this?"

"You'll see," I said as I walked in the house with Killer. Blossom, Bubbles, Buttercup, and Utonium sat on the couch. I floated cross legged in the air with Killer standing next to me.

"Blossom, Bubbles, Buttercup, and Professor Utonium, this is Killer," I said, muttering Killer's name.

"Who?" Utonium asked.

"Killer. My boa constrictor," I said.

All their jaws dropped. "How?" Utonium asked.

"The surge sent out by Mojo Jojo's machine apparently made him change from a large, strong snake to a tall, buff, strong guy!" I exclaimed.

"Thank you," Killer told me.

I rolled my eyes. "How do you know this guy is your pet?" Blossom asked.

"Well, I just trust him," I said looking down, "I trust a lot of people."

"Then ask him a question only your boa constrictor would know," Buttercup told me.

I looked up and said, "Okay. Let's see. If you're Killer, what's my middle name?"

Buttercup, Blossom, and Buttercup all face palmed. "I've never told anyone my middle name. That's a fine question to ask," I said, crossing my arms.

"That's an easy one," Killer told me, "Your middle name is Sharon."

"Ding, ding, ding," I said, smiling. Blossom, Bubbles, and Buttercup's eyes all widened. Ha, and they doubted me!

"Okay, then Bri. I'll take your snake-turned-human down to my lab," Utonium said, getting to his feet.

I nodded. Killer followed Utonium to the lab. "Do you like him?" Bubbles asked out of nowhere.

"Bubbles!" Buttercup and Blossom exclaimed.

"No, it's okay. No Bubbles, I don't like Killer. Well, I do. As a pet. He was my boa constrictor after all," I said.

"Oh," Bubbles said.

There was a loud yell from the lab. "Killer!" I exclaimed. I raced to the door to the lab, opened it, and sped down the stairs. Killer was cowering in fear of a large needle Utonium was holding. Killer was hissing at the needle. I took the needle from Utonium and said, "Killer doesn't like needles! And when he does need them, I need to give them to him. He doesn't trust anyone else."

"Well, okay," Utonium said, "Just put it in his..."

"NO! I'm putting it in his arm!" I exclaimed.

"I was going to say that," Utonium said.

"Oh. My bad," I said, chuckling.

I grabbed Killer's arm and he started struggling. "Killer," I said. He kept struggling. "Killer, come on," I said. More struggling. "Killer! Cut that out right now!" I almost shouted. He stopped. "Thank you," I said, "I didn't want to force you to stop and accidently break your arm."

Killer looked down in shame and said, "I'm sorry."

"It's fine," I said. I sighed and took Killer's arm in my hand very gently.

Before I stuck the needle in his arm, he said, "W-will you sing to me? Like you did when I was still a snake?"

I smiled and nodded. "Sure," I said.

As I worked with cleaning Killer's arm, sticking the needle into it, injecting the fluid into his arm, and taking the needle back out, I sang,

"My snake, my baby.

My honey.

My brave guy.

Don't be afraid, just look towards the sky.

Look towards the sky

The days will get better, don't you cry.

Sit down beside me, come rest your eyes."

Sure, it was short, but it had meaning to it. Everything always gets better. After I gave Killer the shot, he said, "Thanks Bri."

"You're welcome," I said, "Hey Professor U, what does the serum do?"

"Numbs the body," Utonium told me.

"Why?" I asked.

"So we can run a few experiments on Killer. It'll take a few minutes to work, so talk while you can," Utonium told me walking over to a table.

"Fine," I muttered.

"Bri?" Killer asked.

"What?" I asked sympathetically.

"What's a killer anyway?" Killer asked.

"A killer is a murderer. Someone who makes another person's heart stop beating," I said, sighing.

"Oh," Killer sighed, "So, I'm just a killer to you, huh?"

"What? No! You're my best friend!" Killer said.

"That's Zee," Killer said.

"Okay, then you're my best guy friend. I can tell you everything," I said, rolling my eyes.

Killer smiled at me and then toppled over. "I can't feel my body," He told me.

"Yeah, the numbing serum got to your entire body," I said, chuckling.

"You can go now Bri," Utonium told me.

I nodded and flew up the stairs of the lab and out of the house.

Then, I went home.

A/N: Was the song good? Yes? No? Maybe so? REVIEW!