Lucifer isn't like canon and actually rules hell. Lilith, since we know very little about will be OOC if she's revealed in the show, as I'm basing my interpretation of her off of what is said by viziepop in past streams.
Charlie will act differently as well since she will have an older sister and thus someone else besides her mom who will support her.
Will add my own HC and lore since so much remains unknown. If I have to rewrite something once season 2 drops, I will