>>36855890Just like Claydol and Golurk. And most of base stage Pokémon looks like plushies with huge heads. It's not only Probopass, it's the Pokémon artstyle itself.
Also it's neither about the concept nor the design, it's about its design is literally its concept. You put a Probopass next to a Moai and you see the same thing, except one have a moustache and other has mouth