Disclaimer : I do NOT own Phineas and Ferb.

A middle-aged man wearing a white, spotless lab coat bit his lips nervously, and looked over to his small army of hovering robots, to confirm that they were all ready, and in position.

As usual, they were. All with their invisibility functions on, thus preventing them from being noticed by any pedestrians, unless the latter looked very carefully.

This was it. The start of his humongous ambition to take over the Tri-State Area, then the entire Earth. Sure, he had always failed in the past, but this time, he was taking it to a whole new level.

And the first step consisted of wiping out his nemesis and his entire host family. All he had to do was to give one single command. One word.

Standing on his hovercraft, above his nemesis' house, he wiped the sweat off his brow. Cold sweat, or sweat caused by the heat from the midday sun? He had no idea.

Could he really do this? Begin his crazy plan, by taking a few innocent lives? Completely change the normal way of life he used to live?

There is no other way, he reasoned with himself. In order to accomplish his goals, he had to remove the first obstacle in his path. And, what's more, his usual way of life stunk. What evil scientist would love to be defeated by some animal agent every single day?

But at least you were happy, his conscience whispered to him.

He shook his head. I'll be happier this way, he stubbornly retorted. After all this hard work that I've put in, I'll definitely be able to live life the way I want it, and nobody else will be able to change that.

But at what cost? His conscience argued. Will the benefits outweigh the costs that you are about to pay for?

"Yes," he said firmly after a period of careful thought, out loud so as to vanquish that voice of doubt. "Everyone will do as I say. I have all the control and the power that I want. What could be better than that?"

His conscience sighed. Suit yourself, it seemed to say, and disappeared.

He looked over to his robots with a small smile of triumph. But just as he was about to shout the command, he remembered something.

The unexplainable frenemy bond that had formed over the years when they had been fighting. The happy times he spent with his nemesis, even going so far as to eat with the other. The times when his nemesis helped him.

The times when his nemesis actually saved his sorry life.

He squeezed his eyes shut painfully, pinched the bridge of his nose, and gave a long, loud sigh. Why, oh why, he thought, must this decision be so hard to make?

He was torn. Torn between his goals, and his nemesis. But to take the next step of his life, choosing one over the other was a must.

But I'm playing a serious game now. With all the preparations I've put in, there is now no way out.

I can't possibly just give up everything. Just because of this shallow relationship.

He became convinced through his own reasoning.

With a goal of mine this big, undoubtedly, sacrifices will have to be made.

He made his decision, opened his eyes, and looked upon his small group of hovering robots.

An almost unnoticeable tear ran down his cheek.

Even if they aren't mine to make.

"Commence," he ordered.

And the robots dutifully bathed his nemesis' house with unquenchable flames…

A/N : And there's the prologue. The start of one crazy, epic adventure. XD I know you guys have lots of questions in your minds… What the? Who the? How the? Don't worry, they will be answered. One day. XD

This is after ATSD, by the way, if you couldn't tell.

About the title... Yeah, probably it's not the best. Then again, I couldn't think of a better one. Oh, well.

Thanks in advance, for all the favourites, follows and reviews, by the way! Love them.