Lucifer is intimidating and scary, which is shown to be true through his treatment of his brothers,He's extremely overprotective of his brothers, and despite his harsh treatment of them, is shown to display a great love for them
Mammon is naturally greedy and always seeking out opportunities to profit without putting much workMammon is actually a caring, protective demon who would drop everything to help if asked. He is confident and arrogant, with a love for money that borders on obsession.