Presley is the incarnation of the Pharaoh's son, Prince Rapses whose spirit lies inside him. The mummies are the protectors of the Prince. The mummies (Ja-Kal, Rath, Armon & Nefer-Tina) have the ability to transform and get special powers. They use these powers to fight off the evil villains, mostly Scarab, who is after the spirit of Prince Rapses for immortality.