6[2], known colliqually as the Intruder, is the secondary antagonist in The Mandela Catalogue, a mysterious force which caused the disappearance of 3,426 children throughout several counties, resulting in the ban of most screen-based technologies and mirrors by 2009. 6 seems to take on two forms. The first being a tall, pale faced man wearing a black hoodie or robe. Mark originally depicts them with a large smile. The second is the face of a man with short, messy black hair, only seen on televis