How did the Greek gods and goddsses obtain Roman names?

Because the Roman Empire was after the Ancient Greeks, they were very influenced by them. For instance, the Romans kept the Greek architecture, sort of the clothing/apparel, and the Gods. They kept the same Gods from the Greeks, but just changed their names to Latin Words. But the Gods didn't stay exactly the same. Most of the Gods and Goddesses from the Romans got more aggressive due to the Empire's war-like culture. Some myths and Gods stay only unique to the Greeks, and some unique to the Romans, like the She-Wolf, Romulus, and Remus.