Archives extracted with Sm4shExplorer
Models ripped with ScanMountGoat's sm4sh_blender addon
Textures ripped with Smash Forge

Kirby ripped from Super Smash Bros. for Wii U.
First ripped by Mystie. (Mystie's credit note says "Please, PLEASE credit her if used, because exporting each and every single texture is extremely exhausting.")
Then ripped by Somwonere with more character props/weapons, credit not needed but appreciated.