His body is well-built with a muscular torso, thick neck, and toned arms and legs. Satan is a humanoid demon that stands over three meters tall, possessing a fair complexion, sharp red eyes, and slightly messy black hair with a mildly unkempt spiky appearance. However, due to the actions of the Hero Emilia Justina and her companions, he was forced to retreat to Earth, causing him to lose almost all of his powers. He was once the Devil King who declared war on Ente Isla in an attempt to annex the four continents.
Sadao Maou (真奥 貞夫 Maō Sadao?)/ Satan Jacob (サタンジャコブ Satan Jakobu) is the main protagonist of the series. Assistant Shift Manager at MgRonald's (formerly)
