Pokemon Arts and Facts - Find us on BlueSkyさんのイラストまとめ

Only 6 Pokemon have been in every single Regional Pokedex (Unless one were to count BW's Unova Pokedex as separate from B2W2's).

Art of the Ultra Beasts' homeworlds from the Fall in the Ultra Beasts merchandise campaign. Each Ultra Beast got it's own artwork except for Poipole and Naganadel, which originate from Ultra Megalopolis. This is the only time Blacephalon and Stakataka's homeworlds have been seen.

According to Masahiro Sakurai, he new a Pokemon from X and Y would be added to Super Smash Bros. for 3DS/Wii U. This Pokemon in the end turned out to be Greninja and was decided before it even appeared in a Pokemon game. The developers only had concept art to rely on creating it.

In Pokemon X and Y, Gengar is the only Pokemon with the ability Levitate that is unable to be used in Sky Battles. This is likely due it's Mega Evolution being attached to the ground. Normal Gengar completely lost the ability Levitate in Gen 7 being replaced with Cursed Body.

Gloom is the only Pokemon to have it's secondary type completely removed upon evolving. This is only true while Evolving into Bellossom as Vileplume still keeps it's Poison Typing. Aggron is also the only Pokemon to completely loose it's secondary typing upon Mega Evolving.

In the TCG the Cynthia's Feelings card has her holding a Luxury Ball, Ken Sugimori's commentary in the Pokemon TCG Illustration Collection he implies that she is about to send out one of her Pokemon against a challenger with it. However, in Sun and Moon she only uses Ultra Balls.

Artwork of May and Brendan escaping from Rayquaza drawn by Ken Sugimori. The art was drawn in 2004 for Pokémon Emerald Version. However the characters are drawn in their Ruby and Sapphire designs instead.

According Atsuko Nishida and Ken Sugimori the 3 Kanto starters were designed after their fully evolved forms (Venusaur came before Bulbasaur). They are based on Frogs, Lizards and Turtles. The Pokemon were designed as sprite art first then converted to color drawings by Sugimori.

Red and Leaf/Green's battle poses in Let's Go, Pikachu & Eevee! resemble their battle poses in FireRed & LeafGreen.

Rosa also owns a Serperior in Pokemon Masters. This is following a trend where she had as Serperior in the Pokemon Black 2 and White 2 Animated Trailer, as well as a Snivy in the Kotobukiya ArtFX J figurine.