Agent Zero, or Agent 0, is an alias in which has been used by two individuals. The first Agent Zero's real name was Otto Netz, whom was the founder of Spyral and "a self proclaimed unrepentant Nazi master criminal". He also had two daughters, Luka and Elisabeth. The second Agent Zero is Kathy Kane, who's real birthname is Luka Netz. Currently, she is the mysterious leading figure of Spyral.