>>14194910Wartortle's fluffy tail has always been weird, but at least Squirtle didn't have it either. It's just something Wartortle had for whatever reason.
Not sure why you bring up Blaziken when Combusken's feathers from the waist down are a different color and evoke the image of pants.
Delphox's fur evokes sleeves and a dress because it's a fully fledged sorceror. It doesn't need the wand to focus its abilities and it gains robes.
Bayleef's leaf turns into the stamen of a flower. See Meganium's "antennae?" Those are stamen. Stamen are also the male reproductive part of flowers so Meganium basically has a flower penis on its head.