Hades - Final Fantasy Summon Mythology

In Final Fantasy VII, Hades appear as one of the summons, and in Final Fantasy IX he appear as on of optional boss in Memoria that able to defeat. Hades refers to two mythological terms, both belonging to the Greek culture. The first is the place where the dead live, as in the Greek culture there is no difference between those who have done well and those who have done evil, unlike Christianity,