Not many knew yet few did. Lucifer had another child other then Charlie. That child being you.

As a demon everyone feared, Lucifer was a real sweet guy. Being a lovely father with you. And because he was so lonely, You decided to live with your father.

"H-Hey Kiddo, Your sister Charlie just called. She wants us to come visit her and the hotel! Isn't that amazing, You'll get to see her again..." He said with the biggest smile on his face.