The best nature for these pokemon's moveset?
What would be a good nature for a
Dragonite that knows-thunderbolt,dragon claw,earthquake,ice beam
a metagross-meteor mash,earthquake,sludge bomb,psychic
milotic-recover,hydro pump,ice beam,toxic
Raichu-thunderbolt,brick break,dig,thunder wave
Charizard-fire blast,flamethrower,dragon claw,fly
What's the best nature for each of these pokemon with the moveset they have. Please i need to know in order to be at my best for the battle frontier in emerald.