Here we will gather the canon characters and check/uncheck whatever they`re taken or not.

Bold: Wanted
Crossed out: Taken

Penwood:
Seras Victoria
Gregory Penwood

Iscariot:
Francisco Maqube
Heinkel Wolfe
Josiah Reed

Millenium:
Montana Max
Kristin Lilith Sohar
Alexander
Jeanne Gevaudán
Apollon Naga

Outlaws:
Ceras Viktoria
Ryan Vance

Forces of the undead:
Alucard