[@DisturbedSpec] There's time, I'm not in a rush.
I would suggest focusing on who the character is and what they can do instead of where they are from.
I won't be doing a multiverse thing, Will be a new original(ish) world, so will have to jig characters a bit to make them fit anyway. 

Right now it's leaning modern/space age.
Corporations, kings, magic, pilots, vampire diseases. Could easily contain space travel.

Violet by far is currently going to be the most difficult to weave in but also the most exciting. I will likely chat to Ponn closer to the time.