>>41654736Likely because the guys at Game Freak thought Pokemon would be one game, an expansion pack-esque sequel, and that would be it, so they didn't put as much thought into the designs as they did with gen 1. I think they were alsp designed to look more round and soft as a contrast to the rugged and ambiguously reptilian monster designs that Gen 1 had a lot of.
>>41655132I'm going to remain with the headcanon that Madame and that eye lizard from the gen 1 beta were repurposed into Sirfetch'd and the Dreepy line. Now we just need these good boys to become real.