The most responsible and dutiful among the devils. While others might abuse their powers for personal gain or even wish to abandon their mission, Teller follows his assigned duties silently, believing everything is according to God's will. He carries out his work without a shred of doubt, to a point that seems almost obsessive. He is a believer. He has green short-cut hair and wears a monocle. He wears priestly robes, has green skin, and stands 58cm tall. Compared to the other devils, he is more business-like, analytical, and blunt. He always speaks politely. He governs precognitive dreams.

Generally quiet, calm, and composed. He rarely loses his cool and remains serious in every situation. He never gets excited or raises his voice, maintaining a steady, calm tone. His facial expressions also show little change. Both his long hair and skin are pink, and he has a devil's tail and a single horn. He governs nightmares. He is 57cm tall and speaks politely.

His entire body is blue, and he is the only one who is bald. An arrow-shaped ring, similar to an angel's halo, rotates continuously to the left above his head, and similar arrows appear on both hands. He has round eyes with concentric circles for pupils. A circular circulation mark is drawn on his belly, and he wears socks on his fingertips and toes. He is quite immature and uses childish slang like "So annoying!" or "So what?" He governs recurring dreams. He is 55cm tall (claims to be 60cm...).

She has long, slightly wavy yellow hair. Her skin is the same yellow as her hair. Unlike Nightmare, whose upturned eyes give a sharp impression, her eyes are large and round, giving her a very cute and lovely appearance. Small hearts are drawn in her pupils. The top of her hair is shaped like a heart. Despite being a 1,003-year-old devil, she is quite emotional, sulks easily, and acts on a whim like a child. Her expressions are varied and rich; she is honest with her feelings and expresses them immediately, sometimes even quite violently. Furthermore, she is surprisingly fragile mentally. She is 56cm tall. She governs dreams of jealousy. She wants to know what true love is.