Blender Artist M-Cuu, who impressed us with Sumi-e-style 3D dragon model and Kirby's Meta Knight and Wing Kirby fan works, has recently started a new series focused on Pokémon fan art, even giving us a small peek at how the visual effects are drawn to complete each piece.
Sadly, the artist hasn't shared much about their workflow yet, but it'd be great to know more. Meanwhile, take a look at Greninja with a similar water-breathing effect, plus a cute Squirtle and Bulbasaur: