Mammon is the Avatar of Greed and is the second oldest of the seven demon brothers, and the first to enter a pact with MC.
Mammon has white, messy hair, tanned skin, and blue and yellow gradient eyes. He has on gold stud earrings and two silver rings on his ring and pinky finger on his right hand. Like all of the demon brothers, Mammon paints his nails and specifically wears white nail polish.
(Source: Obey Me! Wiki)
