Zoro=Samurai of Wano who put together the PGs
Sanji=Lunarian King
Jimbe=Poseidon
Robin=Lily, the Original founder and namesake of Amazon Lily
Franky=Iron Giant
Brook=Binks the songwriter
Chopper=Baby Zunesha
Nami=A Shandian researcher of weather??
Usopp=Noland's Ancestor??