Filter
A Tulpa is a Tibetan construct, though exists in multiple cultures, of a creature manifested as a result of conscious or unconscious will. The theory would be that, perhaps the Tesseract responds to popular thought about pulp cultural figures, drawing them forth.
But that does not explain those of us not from fiction but from alternate universes of this one.
I don't. It seems most of us arrive humanoid, perhaps it is intended that we should blend in. Though there have been some elves and dwarves or aliens who appear human. But then we have a few who seem untouched, the blue fellows or the girl with the pixie wings. There's always transmutation, but that doesn't always work. What was he previously?
If you would like to come by the Sanctum Sanctorum I can show you the work Miss Kane and I did.