In the Devil's Hotel AU, Charlie is one of the star workers at her dad Lucifer’s hotel, wearing a polished red and gold uniform with longer blonde hair, sharper teeth, and goat-like features inherited from her father. Her role is to bring some light and joy to sinners rather than redeem them, making her a beloved figure at the hotel. She’s known for her calm and gentle demeanor, hosting popular karaoke nights where she only sings on special occasions, making her performances a rare treat. 