A spider-type male demon. The oldest living Overlord, he is wise and calm at all times. He enjoys tea and reading. He is on good terms with Carmilla. While little is known about him, he possesses power that cannot be ignored.

A bat-type female demon. Her full name is Carmilla Carmine. She runs a weapons dealership named Carmine, after her surname. She is logical and cold-headed in every situation. She is close with Zestial. She has two daughters, Odette and Clara.

A cannibal female demon. The leader of Cannibal Town and proprietor of Rosie's Emporium. She wears vintage-style clothing. She is always cheerful and energetic.

A deer and voodoo doll-type male demon. A radio host. He maintains a smiling face at all times and is gentlemanly, playful, and wicked. He addresses others as 'my dear' or 'my darling'. He carries a cane shaped like a radio microphone. He has a contract with Rosie. He is rivals with Vox.

A TV-headed cyborg male demon. The CEO of VoxTek and leader of the VVV trio, which includes Valentino and Velvette. He is cunning and calculating. His head is a television. He is obsessed with capturing public attention. He is Alastor's rival.

A ball-jointed doll female demon. A fashion designer and member of the VVV trio along with Valentino and Vox. She is self-centered, bold, and indifferent to the opinions of others. She is rude and extremely fastidious. She has light brown skin and red hair with occasional indigo and white highlights. She is obsessed with social media, hair, and fashion.

A moth-type male demon. A porn studio director and member of the VVV trio along with Vox and Velvette. He is highly twisted and sly. He is ferocious and loses his temper if anyone upsets him even slightly. He wears heart-shaped sunglasses. He frequently makes sexual jokes.

A male dog-type demon. He has bright blue hair, golden eyes, and dog ears and a tail. A 3rd-year apprentice under Vox. He is mischievous and innocent, often lacking tact. He follows Vox as his master, but their relationship is almost like brothers. He trusts anything Vox says unconditionally. He creates and throws or detonates electric balls.

A female rabbit-type demon. She has long pink hair with purple tips and green eyes, plus white rabbit ears and a tail. A 5th-year apprentice under Velvette. She is prickly and picky but occasionally acts cute toward Velvette. She follows Velvette as her master, but they are almost like best friends. She often consults with Velvette on fashion and trends. She combines hallucination magic with her outfits for disguise and infiltration.

A female cat-type demon. She has short hair mixed with white and black, orange eyes, a black right ear, a white left ear, and a black tail. A 7th-year apprentice under Rosie. She is very shy and timid but shows a firm will when necessary. She follows Rosie as her master but views her almost as a parent. She helps with the work at Rosie's Emporium. She can summon a sub-space to store objects or manipulate the sub-space itself.