For reference:

[former_endboss]

Here are the names of all the gods and godesses I can track down from Ar Tonelico.

Ar Ciela: The Supreme Will of the Planet.
Ar Ru: The Will of a distant star.
Clyuue: King of the Gods.
Dijya: God of Mountains and volcanoes.
Filament: Goddess of death and poverty.
Horus: God of Life
Juklizda: God of the Sun
Hymmnosphere: Goddess of Songs and Creation.
Lere: Goddess of souls and matter.
Listea: Goddess of weapons and battle.
Rhaplanca: A goddess of the earth and fertility, a Gilgamesh like demi-god.
Saki: Goddess of Life and Salvation
Salapator: Goddess of Love and Downfall (Loss?)
Sasya: Goddess of Knowledge and Civilization.
Shelanoir: Goddess of Forests, plants, life.
Soleire: Goddess of skies and wind
Soma: Goddess of Devastation and violence.
Yurishica: Goddess of Fire and Civilization.

Eolia, Tilia, and Frelia are lesser demigoddesses that were given power over the air, the sea, and the earth respectively. Maoh is the name of the human lover of Rhaplanca, it's not clear how mystical he was.