2D pixel art creation for my game i have ideas to go off of but i need them taken from the pictures and seperated into files with transpartent and named correctoly

2-D art i have pictures to take the art from detailed pictures 7 characters and 20 bosses a home base that needs the background art adn everything seperated. (Budget: $30 - $250 USD, Jobs: 2D Animation, 2D Animation Explainer Video, 2D Drafting, 2D Drawing, 2D Game Art, 2D Layout, Game Design, Game Development, Game UI, Pixel Art)