Pothopper, Fernclad and Mangrocean

You can check their lore from links below:

Pothopper, the Plant Pot Pokémon

https://www.deviantart.com/cumalee/art/Pothopper-1039271323

Fernclad, the Marsh Wanderer Pokémon

https://www.deviantart.com/cumalee/art/Fernclad-1042921049

Mangrocean, the Shore Grove Pokémon

https://www.deviantart.com/cumalee/art/Mangrocean-1043220156