Okay, do you mean creating an account or Registering your save file? Creating an account is necessary to prevent theft. Registering a Save file will make Pokecheck automatically associate your Pokemon with your account.
Really? Try breeding a female Eevee with its DW ability. That'll get you raging beyond belief. & come to think of it, I did manage to pop a DW female Eevee in one of my other projects, & I got her without even trying.
But really, take as much time as you want, as I'm still raising that Salamence up.