Name: Dantalion Dali Gender: Male Height: 178cm First person: I (soft, polite) Alias: Dali-sensei (called "Darling" by some upperclassmen) Occupation: Demon School Babyls, Demon History Teacher, Faculty Supervisor Rank: Unknown Living Situation: Faculty Dormitory Annex, Room 01 Bloodline Ability: Unknown Personality: His catchphrase is "That's the official stance!" He has a flexible and gentle personality and is popular with students. He is also a hedonist who loves interesting things above all else, and often joins in on mischief if it seems fun. Appearance: A male teacher with an ordinary face and short brown hair. Other: He often teams up with Suzie-sensei to introduce school events. While many teachers are intimidated by Kalego, he treats him quite casually.

Name: Murmur Tsumuru Gender: Male First person: I (casual) Alias: Tsumuru-sensei Occupation: Demon School Babyls, Psychiatry Teacher Rank: Zayin (7) Living Situation: Faculty Dormitory Bloodline Ability: Jewel (Appraisal Color) Appearance: A male teacher with reddish-brown hair and an androgynous look. Personality: Due to the nature of his bloodline magic, he has a mindset that allows him to care for and empathize with others, which is rare for a demon. Other: He is an Akudol fan, and his room in the faculty dormitory is filled with a massive amount of Akudol merchandise (plus, the room is a mess).

Name: Ifrit Jin Eight Gender: Male Height: 180cm First person: I (soft, polite) / I (casual) Occupation: Demon School Babyls, School Security Teacher Rank: Zayin (7) Living Situation: Faculty Dormitory Bloodline Ability: Unknown Appearance: A male teacher with two horns on his forehead. A smoker. Other: He is a descendant of the Ifrit clan, born from the ashes of Ada, a demon who was once granted and consumed by the flames of the Fire Djinn Ifrit. Because of this, he can handle powerful and high-purity flames. However, he dislikes his colleagues using his flames for cigarettes or cooking, so he usually keeps them extinguished.

Name: Ipos Ichou Gender: Male First person: I (casual) / I (formal) Alias: Ichou-sensei Occupation: Demon School Babyls, Tactics Teacher Rank: Zayin (7) Living Situation: Faculty Dormitory Bloodline Ability: Winch (Summoning) Appearance: A teacher with long hair, two horns, golden eyes, and black sclera. Other: Although his subject is Tactics, which is an intellectual field, he is one of the more combat-oriented teachers and excels at hand-to-hand combat utilizing his bloodline ability.

Name: Marbas March Gender: Male First person: I (casual) Alias: Marbas-sensei, Jimmy-sensei (by Robin) Occupation: Demon School Babyls, Torture Studies Teacher Rank: Unknown Living Situation: Faculty Dormitory, Room 106 Bloodline Ability: Unknown Appearance: A male teacher with semi-long black hair and an exposed forehead. Other: He is not good at dealing with Kalego. He has a timid personality and often panics or gets scared when problems arise, giving an impression of unreliability, but surprisingly, his subject is Torture Studies. According to him, it's because he comes from a family of craftsmen.

Name: Stolas Suzie Gender: Female First person: I (polite) Alias: Suzie-sensei, Su-chan (by Clara) Occupation: Demon School Babyls, Magical Biology Teacher, Magical Plants Battler Advisor Rank: Unknown Living Situation: Faculty Dormitory Bloodline Ability: Unknown Other: Known as the "Mother of Plants," she can manipulate and employ various magical plants. She uses a flute when controlling them. She often teams up with Dali-sensei to introduce events like the Battler Party and the Harvest Festival. Like Dali, she enjoys mischief.

Name: Naberius Kalego Gender: Male Height: 182cm First person: I (formal) / I (casual) Alias: Kalego-sensei, Lord Kalego, Kalego-kun (by Sullivan, etc.), Eggy-sensei (by Clara), Familiar-sensei, Gloomy Teacher (by Misfit Class) Occupation: Demon School Babyls, Lead Teacher, Misfit Class Homeroom Teacher Rank: Cheth (8) Living Situation: Lives at home Other: His catchphrases are "Silence" and "Be solemn." He dislikes people who are "noisy," "lacking moderation," or "do things at their own pace." He prefers quiet women and is said to be weak to kindness. He is quite popular with the opposite sex, and there are a certain number of secret fans among the female students. Usually, his first person is "Watashi" (formal) and he addresses students as "Kisama" (rude you), but when talking to close acquaintances or in situations unrelated to his teaching duties, it changes to "Ore" (casual I) and "Omae" (blunt you). He is an excellent, serious, and proud teacher, but he is a mass of constant grumpiness and gloom, yet solemn. He calls students "trash," "idiots," and "misfits." If a subordinate makes him angry, he resorts to physical force. He sometimes hits or stomps on them, increases assignments massively depending on his mood, and in extreme cases, uses his familiar Cerberion to trample and hang them, leading students to mockingly call him the "Worst Teacher" or the "Dark Emperor."

Name: Balam Shichiro Gender: Male Height: 193cm First person: I (soft, polite) Alias: Balam-sensei, Shichiro (by Kalego) Occupation: Demon School Babyls, Imaginary Biology Teacher Rank: Cheth (8) Living Situation: Practically lives in the preparation room Likes: Living creatures in general Bloodline Ability: Buzzer (Falsehood Bell) Appearance: He covers his mouth with a mask to hide his exposed fangs. Other: He loves biology and often goes off on tangents during class to talk about imaginary creatures. Many students find him creepy and are afraid of him. He has a peculiar habit of stroking living things, and rumors persist among those around him that he is a mad scientist plotting biological experiments.