Mewtwo. Like a boss.
My Pokémon Omega Ruby Team:
[Raven] : [Neptune] : [Simba] : [Dubai] : [Zelda] : [Brutus]
3DS Friend Code:
Definitely Mew. It is cute and powerful. It also has the widest movepool of all Gen I Pokemon.
~ Credit to DaisyInari for the battlecut ~
~ I have officially claimed Mew (Pokemon), Poo (EarthBound) and EarthBound itself ~