Perry Smith is the overarching antagonist of Lucifer, serving as a major antagonist in Season 2, a posthumous antagonist in both Season 3 and Season 4, and the posthumous overarching antagonist of both Season 5 and Season 6.
He was the deputy warden of the prison where Joe Fields was incarcerated for the murder of John Decker. We later find out that Smith was responsible for the hit and later killed Fields. Chloe Decker finds out that he was responsible and arrests him. After Boris Sokolov's death, he was released from prison due to lack of evidence. Dan Espinoza and Mazikeen find out that the Russian Mob was trying to kill him and allow them to find him and kill him.