It would be greatly appreciated if you could provide any scholarly evidence, or even a cited critical reading of the Book of Enoch, showing that this character (whom has been a noted point of contention and much thought and writing amongst theologians and secular researchers alike for millennia) is intended to be an invented metaphorical personality of the type that you described.

They are all metaphorical.

No one seriously imagines Adam, Noah, or Moses as historical, flesh-and-bone, people, any more than we imagine that of Paul Bunyan, Slue-foot Sue, or Hamlet.

Jesus, too, BTW. Everything written as if of real events came at least two generations after the cult began.

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And karma at 666. But it was supposed to be "morlock-hai".

The academic literature is sterile in this regard: it's just circling around the theological dogma. I'm saying all this to evoke curiousity so others do some discovery on their own. I think that western scholars havent found much is because this kind of literature is fragmented across many nations and religions.