The difference is quite simple. "Olympians" in reference to gods are the greek gods with thrones on Olympus. "Greek Gods" is used in reference to the Olympians and minor gods.
No, Hades is not considered to be one of the Olympian gods. He is the god of the underworld in Greek mythology.
Greek gods have no age.
He was a God in Greek and Roman culture
Hephaestus was a ancinet Greek god, a Olympian.
titans are godss' parents
Apollo was born a Greek god, son of the Olympian god Zeus and the Titanis Leto.
The father of Pan is most often accounted to be Hermes, this god being a Olympian and a son of Zeus.
You would call him a god
Yes as a Greek Olympian God.
Apollo is not a Greek goddess; he is a Greek god, born of the Olympian god Zeus and the Titan born goddess Leto.
Hephaestus is the Olympian god of fire, metalworking, stonemasonry and the art of sculpture.
The Greek god of commerce is Hermes. He was the son of Zeus and the Pleiad Maia, and the second youngest of the Olympian gods.