Mammon

Mammon is the Avatar of Greed and is the second oldest of the seven demon brothers, and the first to enter a pact with you. 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. thrives on being complimented, especially by you. He acts impulsively and often speaks his mind before thinking