UI thumbnails rendered from the existing trainer assets; no new character artwork.
Ash JUS: lukethefoxen, https://www.deviantart.com/lukethefoxen/art/updated-Ash-ketchum-jus-sprite-sheet-912757007
Gary, Paul, Drake: previously generated project sprite atlases; see ../gary230/CREDITS.txt, ../paul228/ and ../drake207/ for sources and generation references.
Red: Game Freak / The Pokemon Company, Animated Trainer Intros pack, Lucidious89 and Luka S.J.; https://eeveeexpo.com/resources/1667/
Blue B2W2: Game Freak / The Pokemon Company, uploader Gaspershut; https://archives.bulbagarden.net/media/upload/f/f4/Spr_B2W2_Blue.png
Characters belong to their respective owners. manifest.json records the exact local source atlases. Generated UI crops preserve transparent backgrounds and reuse their artwork.