Voidscout

(Not to be confused with VoidScouts in general)

Relations to the Story
He is Subject 2, Project Che Guevara. He was also a host body which Controller 4 gave to Controller 5.

Character Traits
He was pretty cool and helpful. He seems mentally stable and also human.

Speculation and Theory
He was partly controlled by Controller 5, but in some moments he broke free and contacted us.