>>27703835>Arbok's Pokedex mentions regional differences>constantly changing sprite art appears to support this>Gold/Silver introduced Unown, which had 26 variants programmed in>Ruby/Sapphire made use of a personality value to select which evolutionary line a Wurmple follows>Diamond/Pearl introduce cosmetic form differences for male/female Pokemon>X/Y has Vivillon in 18 different forms depending on real world locations, and Florges has 5 different colors for no reason beyond just doing a cool thing>but every game since DPPt uses the same pattern for Arbok no matter whatI will be forever butthurt about Arbok's patterns and Smeargle's paint colors.
