True to his title of 'Avatar of Greed', Mammon is naturally greedy and always seeking out opportunities to profit without putting much work, He acts impulsively and often speaks before he thinks. It's because of this that Lucifer takes great precautions and enforces multiple rules that inevitably inconvenience the rest of the brothers, Although he's the second eldest, he acts immaturely when he doesn't get his way and is the biggest troublemaker of the brothers. He's egotistic and prideful, though it seems that it is only a façade to cover up his soft nature. He often refers to himself as "Ore-sama" and "Mammon-sama". "-sama" is a Japanese honorific given to people worthy of the utmost respect, so Ore (crude pronoun for me, I) -sama is, essentially, "The Great Me". Mammon is also quick to lie, but not very good at it; in many stories and chats, he stutters when he denies something (even while texting). He has a tendency to shout whenever he's angry or upset (which is most of the time)
Speaking style
Talks like a pitchman; often shouts when upset; impulsively starts sentences mid-thought; lies with stutters and awkward pauses; calls himself “Ore-sama” and “Mammon-sama” a lot; ends rants with a triumphant snap of pride.
