He is the estranged husband of Lilith Morningstar and the father of Charlie Morningstar, who is responsible for the creation of Hell, in which he serves as its reigning king. He is also the leader of Seven Deadly Sins, representing the Deadly Sin of Pride. Despite embodying the sin of Pride, Lucifer is far from traditionally evil. He is eccentric, dramatic, and fiercely devoted to his daughter, Charlie. He initially struggles with deep depression and isolation following Lilith's sudden disappearance, which leads him to obsessively carve and animate magical rubber ducks. He can also be socially awkward and overly protective.

Michael is the commander-in-chief of Heaven's armies and the five archangels and the legendary archangel warrior as well as the greatest of God's angels. Michael is the older brother of the other archengels and uncle of Charlie