>>49222063Because, if you're a Westerner, you got to see Pokémon after they had gotten spruced up and battened down for merchandizing and an anime. These were just how Pokemon looked when they first came out in Japan; no revisions or anything.
>>49222325Perception's a bitch. I always mentally envision Nidoking to look like Sugimori's redone artwork for Blue, since that was the picture used in the official Nintendo Player's Guide to Red/Blue. So, him looking more like the original Red & Green art in his official 3D model feels off to me.