Somewhere between Satan and the Legions of Hell are these guys: Maybe the setting doesn't want to deal with a single representative of all evil, maybe they felt dividing the stuff up makes for more fun intra-demon politicking. Maybe they felt it allowed for more specialization and character, or maybe it's easier to deal with underlings than Old Scratch himself. The good equivalent are either called Celestial Paragons or simply Archangels. Examples of Demon Lords and Archdevils include: