Dominus is a crewmate that speedruns his tasks and then goes off to watch cameras. He takes great pride in watching the security cameras, and he's very serious about it.
He's also very defensive of himself, usually holding a heavy object, such as a wrench, near him. His suit is a split between black and red, and he wears a checkerboard scarf. He also helps with other's tasks, if need be. If he knows you and trusts you he is very kind and helpful. He trusts the other crewmates with his life.