Blade, why don't you think of Mewtwo as a Pokemon? Is it because he was created? Like Porygon, Porygon2, and PorygonZ?. (By the way, PorygonZ is a new Pokemon)
I would've gone with Gene, Copy, Nova, Embryo, Trinity, or maybe even Disaster.
Team Omni: Platinum Rank
Swampert (Leader)
Charizard
We'll catch you if you fall, we'll keep you safe, no matter what happens.