The poses are the ones from the Sugimori artworks made for the Red/Green and Red/Blue promotions (except for Charmander head that is closer to its current design, which looks a bit off when put side to side with Charmeleon/zard older design btw).
In the header you state "Palette: 8 colors", but you actually use 10 colors (yanrishatum.ru/pj/). Transparancy counts as a color and Charizard uses 3 additional colors besides black and white.
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The poses are the ones from the Sugimori artworks made for the Red/Green and Red/Blue promotions (except for Charmander head that is closer to its current design, which looks a bit off when put side to side with Charmeleon/zard older design btw).