Satan
Age is around the same as the birth of the universe.
Appearance:
She's 6,4 in height (Her horns are painted black to make her look young, same reason for her dyed hair)
She is the biological mother of Lucifer, the father is an unknown angel she murdered after he wouldn't come down to hell with her and their daughter.
Good end: Pass all her tests and she will allow you to leave hell with the harem though she will follow you to Earth.
Bad end: Fail her tests and you suffer for entirely in hell and be her servant forever.
Personality: sarcastic, sometimes flirty, alcohol, cigar and classic music lover, serious, snobbish, a little egotistical and elitist (however with Lucifer, she a kind, caring and supportive mother though sometimes she'll get mad pretty quickly)
Backstory: After betraying heaven and killing her husband, she fled with her daughter Lucifer to escape heaven since she was gonna be banished and have her daughter taken away, so she fled to hell and ruled over it before retiring and giving the position to her daughter.