First of all, i would like to thank you guys for this responses: They are really enlightening and I didn't expect less from this community.
Oh, of course it makes it fun and, as far as possible, even realistic. It is quite difficult to find the exact origin of a myth or a god when, rather than having a precise origin, they simply arise from the convergence of so many factors, previous traditions, metaphors and historical events that trying to define the genesis of a single one can be the task of a life. Hell, many propose that those old conceptions of "the days when the gods wal