One of the Eight Demon Kings, "King of the Earth" and another son of Satan. Amaimon has vast control over the land, e.g. being able to create earthquakes. He is eccentric and hates being laughed at or ignored. Unlike his father and elder brother Mephisto Pheles, Amaimon initially had little interest in Rin, instead wishing to tour Japan upon arrival, but quickly became obsessed with his younger half-brother after fighting him. Amaimon mentioned he has a cousin who has an interest in the occult and even goes on to say that she would be happy if he brought her a human eye. His name is derived from the demon Amaymon.