what in hell is bad lucifer

"Bad Lucifer" is a character from the TV show "Lucifer". He is not a real entity or concept outside of the show. In the show, Lucifer is the ruler of Hell, and "Bad Lucifer" is one of the names he is referred to as. It is unclear what specific traits or abilities "Bad Lucifer" has, but it is likely that he is simply a darker or more malevolent version of the character.