for the most part i have seen Erebus portrayed as a god
Nyx is the goddess of the night.
Selene is actually a goddess, the goddess of the moon.
I believe your talking about the Roman god of death which is Pluto, also known as Hades in Greek mythology.A:The Roman goddess of the night was known as Nox; the Greeks called her Nyx. Please see the attached link.
Selene is a Titan goddess of the Moon, her brother is Helios the Titan god of the Sun, and her sister is Eos Titan goddess of the Dawn. Hyperion is her father, and Theia her mother.
Leto is a Titan goddess, mother of Apollo and Artemis.
There isn't a Goddess of Dark places in Greek mythology, unless you mean the Goddess of Night who is Nyx. However, the is a God, who is Erebus, the primordial God of shadows and darkness.
Charon is usually depicted in Greek mythology as the son of Erebus (the god of darkness) and Nyx (the goddess of night). However, some sources also suggest that Charon is the son of Erebus and Nyx's daughter Hemera (the goddess of day).
Demeter was a goddess, born of the Titan goddess Rhea and the god Kronos.
Theia the Titan goddess of heavenly light and Hyperion the Titan god of light.
She is not a god she is a titan and her power is earth
Eos was the Titan goddess of dawn.
Cronus, Titan king of the Titan gods and of the heavens and time. Oceanus, Titan god of the great earth-encircling river he is named from. Coeus, Titan god of intelligence and pillar of the north. Crius, Titan god of the constellations and pillar of the south. Iapetus, Titan god of mortality and pillar of the west. Hyperion, Titan god of light and pillar of the east. Rhea, Titan queen of heaven, mother of the gods, and of female fertility, motherhood, and generation. Theia, Titan goddess of sight and shining light of the clear blue sky. Themis, Titan goddess of of divine law and order; also a prophetic goddess and an early bride of Zeus and his first counsellor. Mnemosyne, Titan goddess of memory and remembrance and the inventress of language and words, also a goddess of time and minor oracular goddess like her sister Titans. Phoebe, the Titan goddess of the "bright" intellect thus of prophesy. Tethys, the Titan goddess of the sources fresh water which nourished the earth. She was imagined feeding her children's streams by drawing water from Oceanus through subterranean aquifers. These are the Titan siblings of Cronus; he also had siblings who were not Titans and so not listed here.