Yes,
Satan is literally Zeus, they are not different Beings. But
the same Being in Mythology symbolizes and manifests something unique. It is ciphered in
Allegories. One Being, representing in different Emanations (
hypostases),
expresses somewhat different Forces of the Universe. This is the reason why one Being can have many names. This is not a contradiction, but an unfolding of the
Mystery of Deity.
If you really want to go deeper into this subject, you should familiarize yourself with it even more deeply than you are familiar with it now. I've compiled all the relevant information
in this thread (
click). Of course, this will be coming out with new material from the Clergy, so stay tuned and delve into the new material.