>Legit/Natural
>(Original Pokemon data unedited or predicted by programs)
Any Pokemon caught in the game without the influence of third party programs.
>Legal/Grey Area
>(Pokemon data created naturally in the game but has been predicted or buffed using third party programs)
RNG abuse, instacheck, data prediction in general and also using hacked items. Mostly considered legit but sometimes considered hacked by extremists.
>Hacked/Illegal
>(Any Pokemon directly edited or created, using a third party program.)
Creating a Pokemon using Pokegen, Pokesav or any Pokemon creation/edit tools. Editing any normal Legit or Legal Pokemon's data, period.


Anything else is bias.