People want him just as much in Tekken. Or so it seemed, they just want him in a 3D fighter now in general, which honestly wouldn't be a bad idea.
Free Step Dodge
ChaolanLegacy
XxNoriakixX
I can imagine William from Nioh in DoA especially since it will be cheaper for TN
Miki Momo
Or that one girl from the Dead Fantasy videos who was the main protagonist with the long black hair? That would be pretty cool.
Hayabusiness
Prayer circle for Kazzy in DOA!!!!!
Force_of_Nature
When Team Ninja decide to add guest characters to DOA6, Kazuma Kiryu will be high on that list.