Echo is the Roman name. It was transliterated (when you replace the greek sounds with their equivalent latin letters) from the Greek Ἠχώ. It's similar to how the Greek and Latin words for Apollo are the same, just that the Greek is spelled using the Greek alphabet. Sometimes the Romans didn't have original equivalents, so they just used the Greek name.
Vulcan(us) is the Roman name of the Greek god Hephaestus.
The god Mercury was Roman. His Greek name was Hermes.
Hephaestus is a Greek god. His Roman name is Vulcan.
Ares is the Greek God of War. Mars is his Roman name.
The Roman equivalent to Hermes the Greek god was Mercury.
He was a Greek god; he has no Roman name.
His Roman name was Mars.
The Roman god of the sky is Jupiter, and the Greek god of the sky is Zeus.
roman = Pluto greek =hades Your question makes little sense. The Greek name for the Greek god Hades is Hades. His Roman name is, as mentioned above, Pluto.
No. Hypnos is the greek god of sleep. The Roman god of sleep is Somnus.
It depends on which Greek/Roman god/goddess.
neptune is the roman god. the greek god is Poseidon.