Satan

Satan, Prince of Wrath, Prince of Hell.
Appeared in Season 2.
After Lucifer abdicated the throne of Hell, Satan took his place.
He was working with Erebus.
Fionn Corvin managed to find evidence of his treachery and his complicity in the murder of Lilith. He was killed by Fionn Corvin in front of millions of viewers in Hell, at the end of The Burning Man games.