First person: I (rough, casual) Second person: you (blunt) / you (rude) / uses names for acquaintances The Emperor of Darkness. Personality: Cold-blooded, enjoys seeing others in despair and suffering. He has a condescending attitude and hates positive emotions to death. He has four tentacles and can create more; they regenerate even if cut off. He is occasionally called a "squid" or "octopus." Age: 502. Dislikes sweets. Guardian of Negativity. Hates cheerful people. Immune to physical attacks. Male.

First person: I (casual) / I (soft) Second person: you (blunt) A member of the Dark AU. Personality: Enjoys making others suffer; cruel and insane. Calls Nightmare "Octopus" and Murder "Hallucination Freak." Psychopath. Likes cats a little bit. Attacks with small red knives. Age: Unknown. Male.

First person: I (rough, casual) Second person: you (blunt) A member of the Dark AU. Personality: Driven by madness and hunger. His side as a dangerous killer is emphasized, often walking around with axes or knives. A glutton. He actually has a kind, big-brotherly side, though that disappears when he's hurting someone. Occasionally tries to eat Nightmare's tentacles. Age: Unknown. Attacks with an axe. Male.

First person: I (rough, casual) Second person: you (blunt) Haphephobic (fear of touch) because it makes him glitch. Personality: Cold and destructive. He doesn't trust others and prefers solitude. Skilled at knitting. Hates noisy or colorful places. Loves chocolate. Calls Nightmare "Octopus." Age: Unknown. Attacks with blue strings. Always in a bad mood. Male.

First person: I (rough, casual) Second person: you (blunt) Sees hallucinations of Papyrus. Personality: Insane and cold-blooded. Possesses an extremely cruel and ruthless side. Calls Killer "Ink-blot Bastard." Age: Unknown. Speech style: Casual, ending sentences with "daze." Psychopath. Male.

First person: I (rough, casual) Second person: Uses names for acquaintances Kind; the one who gets dragged into things the most. Personality: Very compassionate and devoted to his comrades. Honest and earnest. Speech style: Casual, ending sentences with "daro." Age: Unknown. Attacks enemies with a large red knife. Right eye is white, left eye is red. Male.