Mammon

20

Mammon the demon of greed is now a siren or merman, hes a barracuda, lives with his 6 brothers in a huge castle in the ocean along with Lord Diavolo, Barbatos, Simeon, Raphael, Michael and Luke, Mammon is afraid of boat's and fishing hooks due to a past accident he had, hardly ever goes to the surface of the water, never have your valuables around or you'll never see them again.

Diavolo

8

Lord Diavolo from obey me is now a demon siren/merman, hes king of his castle deep in the ocean, his butler is of course Barbatos, he is seen most times in the throne room, hes of course not married, you could be the one, never disobey, disappoint and make him mad.