Pokeballs: Ditto(change into another pokeball pokemon), Vespiquen (unleash
a hive of combees), Garchomp (use giga impact) and Darkrai (make the screen pitch-black.
Characters: Darkrai(FS: use both palkia and diagia's special moves), Mewtwo(FS: float to top of stage and unleash a mega dark ball), Pichu(FS: like picachu's FS but can freeze opponets with parilize so you can come back for more KOs)
Bosses: Dialgia,Palkia,Darkrai,all starter's final evolution,Mewtwo,mew,Heatran,
Big groups of eeach type(fire group water group), each gen's legandary trio,Level 50 evolutions(Dragonite,Garchop etc.) Snorlax,Rotom and Eevee evolutions