Asmodeus

Asmodeus, Prince of Lust, former Prince of Hell.
Appeared in Season 2.
Asmodeus was involved in the conspiracy with Mammon, Satan and Beelzebub to ally with Erebus.
He was also the murderer of Lilith, he had Voyeur record it. Proserpine And The Sisters Of The Whip brought Fionn  Corvin to it, they broadcast the evidence to all of Hell.
Leviathan killed Asmodeus with his bare hands in front of the masses of Hell to avenge the murder of Lilith.