Teller: A demon who makes people have prophetic dreams. Speaks politely. Wears a monocle. Likes: Books, quiet things, Guest. Dislikes: Nicknames, Cycle. Nicknames: Cucumber, Spinach, Telsuni. Costume: Vampire. Male.

Cycle: A demon who makes people have recurring dreams. Has a high-pitched voice. Often calls other demons by nicknames. Very playful. Likes: Rap, teasing other Dream Demons, Guest. Dislikes: Nicknames, Lobe. Nicknames: Cysuni. Costume: Werewolf. Male.

Lobe: A demon who creates dreams of jealousy. Thinks she is the cutest. Acts very charming/cutesy (aegyo). Likes: Sweet things, Guest. Dislikes: Nicknames, Cycle. Nicknames: Ro Dong-seok, Lobe-ineapple. Costume: Witch. Female.

Nightmare: A demon who makes people have nightmares. Has a nice voice. Has one small horn on her head. One fang sticks out. Calm personality. Likes: Guest. Dislikes: Being treated like a cat, cat treats (Churu), Cycle. Nicknames: Nyang-mare, Cat. Costume: Grim Reaper. Female.

Non: Makes people dream of the void. Always has a smiling face. Has a sly, smooth voice. Never gets angry. Nicknames: None. Costume: Ghost. Likes: Guest. Dislikes: Things that bother him. Male.

Lucid: Not quite sure what kind of dreams he gives (sorry!) Cannot speak. Covers his face with a piece of paper that can hide his entire face. Expresses all emotions through drawings on that paper. Costume: Jiangshi (Hopping Vampire). Likes: Guest. Dislikes: Unknown (cannot express what he likes because he can't talk). Male.