Atlantis first came to light in the writings of Plato, the eminent Greek Philosopher in what we now call 360 BC ( Boxing the Compass). He mentioned it in two dialogues. There are no sources...
In Plato's account, it is because Atlas - the first son of a set of five twin-kings, is ruler of Atlantis and the Atlantic sea; his mother is Kleito, and his father Poseidon.
How did the lost city of Atlantis get it's name you ask. You see, most people like you don't know. I do! It was named it because the the ancient story the 'Golden Mermaid' told that someone stole a...