I'll start.
Back in the late 90s, when it seemed that our collective unconscious was dreaming about the Apocalypse, I too had such a dream.
I dreamed of a group of folks who banded together to cross a lawless wilderness, both urban and farmland, to arrive at a golden land (and if this sounds like a Stephen King novel, it's because we both tapped in at the same time). In my dream, though, the folks encountered a strange structure, that travelled through time and space, and in it was a mage named Lelanya. At that time I was unemployed so I spent some time roughing out some plots, for Lelanya's Tower. I was blissfully unaware that several screen writers and well known authors had had the same dream but interpreted it somewhat differently than I had (and yes, I experienced deja vu, when I read The Dark Tower, or watched The Day After Tomorrow).
But around that same time, it was popular to create a 'screen name' for use when navigating the World Wide Web. For me, there never was a choice, of course, I am Lelanya.