HIM

HIM is a mysterious and unseen character who is only mentioned in a note by T in Chapter 5.

Appearance
Unknown.

Personality
Unknown but probably evil.

Notes mentioning him
"1x1x1x1 is on the move, he is pure evil, he cannot be allowed to get into contact with 'HIM'-T

Trivia
In DrDarkMatter's game Horror Portals, there is a mysterious demon called HIM who may be the same character. However, considering that these games are in different universes, and other information about 1x1x1x1, it is likely Guest 666.