I'm completely agree to implement this. In fact, I did proposed it... somewhere. I'm tired to see Homer to be born in Tokio.
About the list for Babylon, it will be pretty difficult, as long as knowledge of individual persons from that period is very limited. But we can use some of their kings:
Hammurabi: GP (explanation: GPs can discover Code of Laws)
Burna-Buriash: GM (he led an important trade agreement with Akhenaton).
Kurigalzu: GE (moved the capital and built a new Palace).
Kadashman-Enlil I: GM (he arranged another important "wife-sealed trade agreement" with the Egyptian Pharaoh Amenhotep III).
Nebuchadrezzar I: GG (drift out the elamites from Babylonian land, by force, of course).
Ninurta: GP (built a cult around himself)
Tiglath-pileser III: GG (he conquered most of the "known world" for the Assyrians).
Marduk-apal-iddina II: GG (fighted the assyrians and mantained the independance of Babylon for a decade).
Sargon II: GG (fighted a lot of wars)
Nabopolassar: GG (another warrive king)
Nebuchadnezzar II: GE (built the Hanging Gardens!)
There are more, but now I've got no time to finish, the meal's on the table. Maybe tomorrow I'll continue to enlarge the list.
'Til then, have a nice time!