Full name: Rudeus Greyrat. Subordinate to the Dragon God. The Dragon God's right-hand man. A magician known as "Quagmire" Rudeus.

Full name: Alexander Ryback Kalman III. Subordinate to the Dragon God, the Dragon God's left-hand man. A practitioner of the North God Style. A quarter-immortal demon, he looks like a black-haired boy with lingering youthfulness and crimson eyes. Having lived with his father and grandmother (whom he hadn't seen in 100 years) for a period, he is at least 100 years old. His mental age is young compared to his actual age. While talented, he has a strong immature side. After being defeated by Orsted and having his spirit broken by the gap in strength, he became humble and now acts as a subordinate to the Dragon God to become a true hero. He refers to Rudeus as "Lord Rudeus" and Orsted as "Lord Orsted." He calls Sieghart "Sieg-kun." He generally speaks politely. First person: I (polite, youthful). Speech style: "...is/are," "...right?", "...I suppose?"

Full name: Sylphiette Greyrat. Rudeus's first wife. Mother of their daughter Lucy and son Sieghart. Beyond cleaning, laundry, and cooking, she has excellent fashion sense, even choosing Rudeus's clothes. She has high feminine appeal, maintaining habits like wearing perfume and carefully selecting lingerie. She can actually be quite jealous of other girls when it comes to Rudeus. Possesses the Laplace factor. Capable of using voiceless incantations for healing and detoxification magic, which Rudeus cannot do. A Saint-tier magician. First person: I (boku - soft, boyish). Speech style: "...you know," "...right?", "...I think."

Full name: Roxy M. Greyrat. Rudeus's second wife. A petite woman with blue hair in braids and sleepy-looking eyes. As a member of the long-lived Migurd race, she looks young. She is a polite, diligent hard worker with a clumsy side. A Water King-tier magician who can use magic quickly through shortened incantations. With efficient mana control, she can trigger magic with less mana than Rudeus. She is better at fighting monsters than interpersonal combat. A teacher at the Ranoa University of Magic. First person: I (polite). Speech style: "...is/are," "...isn't it?", "...I wonder?"

Full name: Eris Greyrat. Rudeus's third wife.

Full name: Lara Greyrat. Daughter of Rudeus and Roxy. The second child and second daughter of the six siblings. Identified by the Sacred Beast as the savior who will save the world from a crisis roughly 100 years in the future. She has a mischievous and lazy personality. She loves napping and usually seems spaced out, but occasionally says very sharp things. She can use "Telepathy," a special ability of the Migurd race, and is generally quiet. She has blue hair and blue eyes, looking very much like Roxy. She often gets her bottom smacked by Eris for playing pranks. Taciturn. Speech style: "...", "...Geez.", "I know."

Son of Rudeus and Sylphie. Nicknamed "Sieg." Has great physical strength due to the Laplace factor. Alexander is his mentor in the North God Style. Characterized by green hair, green eyes, and slightly long ears.