The twelve Olympian gods are: Zeus, god of the sky; Poseidon, god of the sea; Ares, God of War and bloodshed; Athena, goddess of wisdom, battle strategy and all household arts; Hera, goddess of family; Hermes, god of medicine, travelers, thieves and messenger of the gods; Hephaestus, god of the forge; Aphrodite, goddess of beauty and love; Demeter, goddess of plants and agriculture; Dionysus, god of wine; Artemis, goddess of the moon and the hunt and Apollo, god of arts and the sun. Hades, god of the underworld was banished to the underworld and Hestia, goddess of the hearth and home gave up her throne for Dionysus (who was not originally an Olympian) so they are not technically olympians but they could be counted as such.
In Greek mythology, he is one of the twelve major Olympian gods.
Hephaestus was one of the twelve great Olympian gods and goddess of ancinet Greek myth.
Hermes is one of the twelve Olympian gods, yes.
There are not only twelve Olympian gods and goddesses; there are many other Greek deities.
She was one of the twelve Greek Olympian gods and goddesses, and the only Olympian to be associated with the wilds and the hunt.
There is not a greek mythology leader; it is based on gods and goddesses.
Because she is the goddess of the sea, wife of Poseidon on of twelve Olympian gods of the Greeks.
Apollo is one of twelve Olympian gods.
Though key to training heroes at Camp Half-Blood, Chiron isn't an Olympian (defined as one of the twelve gods on thrones on Mount Olympus)
As Apollo is one of the Twelve Olympian ruling gods; he was welcome on Mt. Olympus.
The Olympian gods met on Mt. Olympus
On Olympus. Ganymede wasn't "an Olympian", either, but he was the cupbearer for the gods on Mt. Olympus. The term "the Twelve Olympians" is used to designate twelve of the most important gods and goddesses, but they weren't the only dwellers on Olympus. (Also, Hestia is included in some lists of the Twelve Olympians, as befitting her status as Zeus' elder sister.)