Good news actually! With some help I was able to salvage the sprite! It will be usable in the finished product, and the palette information on the sprite will be usable for the backsprite!
Sorry sad mummy, I'm going to need you to reformat the Mime sprites to fit the criteria. I can't use them in their current state because the color information is wrong and you used the wrong BG color. On the upside, I really liked the concept and would love to include it in the game when corrected.