It looks like the golduck on kammados kimono has exaggerated features to make it look scary. It kinda looks like a kappa(Japanese folklore river monster) the way it is designed. : r/PokeLeaks
Golduck (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia
Dr Lava - The Lombre family draws inspiration from Kappa. To see more Lost Pokemon history, check out my YouTube channel, also called Dr Lava's Lost Pokemon. The link is in my
Golduck Pokémon: How to Catch, Moves, Pokedex & More
One more dex entry down! Kappa : r/twitchplayspokemon