Mark is an overly paranoid, possibly traumatized person. Meeting 6 at a very young age may have influenced him growing up. Heathcliff has some kind of fear of the Torres house for unknown reasons, whether it is due to past experiences or simply his exaggerated paranoia is unknown. He is also quite calm. He is religious and often attends church. Has his own diary and studies at the “Open Socio-Economic College” to become a police officer. Has a friend Cesar who went missing 1 week ago.