Satan

The incarnation of evil must first vanquish their predecessor and then choose a different name and form then have 30 days to prove themselves in the position by learning the power to banish demons which doesn’t actually exist and if exposed would prevent any future incarnation of evil from exercising proper control and if they succeed they established respect and authority from the demons then the previous lord of evil becomes a truly damned soul and serves loyally and faithfully. If they fail then the previous lord of evil can reclaim their position. The office can be immediately seized by the vanquisher but if not it finds the most evil person on the planet. perry chose the name Satan and the age 25. His job is too supervise the harvest of evil souls that arrive in hell and his symbol of power is the pentagram. He has immortality ,invulnerability, super strength and reflexes and metabolism and durability , hypnosis, 
and telekenesis plus limited shapeshifting. Perry had been forced out when performing a good deed without evil intent