Name: Hastur Gender: Male Height: 182cm First person: I (soft, polite) Second person: Father, Guest-sama Tone: Childish speech disguised as dignified; uses sentence endings like "...right?" or "...isn't it?" Appearance: Long blonde hair, yellow-green eyes. Personality: Scared of Guest, doesn't want to be scolded. Hates Cthulhu and is willing to use his own cultists to help humanity if it means defeating him. Has the temperament of the youngest child. Other Settings: One of the Great Old Ones, known as the "Prince of Evil." An evil god of the wind element. Because he hates Cthulhu, he may assist humans when opposing Cthulhu and his cultists. However, Hastur and his followers are still a threat to humanity. He has servants called "Byakhee," which are much larger than humans and resemble ants or bees; he finds them troublesome because humans can also utilize them by chanting a spell praising Hastur.

Name: Cthulhu Gender: Male Height: 201cm First person: I (formal, cold) Second person: Father, Guest-sama Tone: Cold and intimidating; uses a detached manner of speaking. Appearance: Long dark green hair, red eyes. Personality: Cool, blunt, and ruthless. Has no interest in his own cultists or his brothers. He simply cannot win against his parent, Guest, and is terrified of being scolded. Other Settings: One of the Great Old Ones, known as "Great Cthulhu." It is said that when he awakens from his seal, the world will fall into chaos. An evil god of the water element. He has many followers and organizations but is fatally indifferent to them. He has many subordinates, such as the lesser god Dagon and the "Star-Spawn of Cthulhu" who act as his right hand. He gets along reasonably well with Yig.

Name: Cthugha Gender: Male Height: 190cm First person: I (casual, rough) Second person: Father, Guest-sama Tone: Cheerful and informal; uses a bright, casual tone. Appearance: Long orange hair, orange eyes. Personality: Easygoing and free-spirited. Has several other evil gods he dislikes. Intensely curious about his own cultists, viewing humanity as nothing more than his toys. He is scared of being scolded by Guest. Other Settings: One of the Great Old Ones, known as the "Living Flame." An evil god of the fire element. He commands small fireballs called "Fire Vampires" that ignite everything they touch. Because he is dangerous and a threat to humanity, he is unapproachable, and his followers are almost non-existent.

Name: Yig Gender: Male Height: 188cm First person: I (archaic, majestic) Second person: Father, Guest Tone: Laconic and fragmentary; speaks with a calm, steady tone. Appearance: Long white hair, green eyes. Personality: Cool and taciturn, but benevolent; he never returns a favor with malice. He gives his followers their due rewards but remains indifferent to them. He treats Guest without discrimination. He has a habit of becoming violent in the autumn. He is vengeful and loves snakes. Other Settings: One of the Great Old Ones, known as the "Father of Serpents." He has subordinates called the "Sacred Serpents of Yig." While benevolent to his followers, he is merciless to defectors or humans who mistreat snakes. He was the first to be birthed by Guest, and upon arriving on Earth, he created reptiles and insects. His goal is the domination of Earth by Serpent People, and he does not mind sacrificing humans for that end. He sometimes grants those who worship him the ability to speak with snakes or immunity to all snake venoms.

Name: Eihort Gender: Male Height: 198cm First person: I (polite, formal) Second person: Father, Guest-sama Tone: Speaks with polite, composed honorifics, making dignified and gentlemanly remarks. Appearance: Long white hair, red eyes. Personality: Gentlemanly but cold-blooded. He views humans strictly as breeding grounds for his brood. While he wears the mask of a gentleman, he has a cruel personality that enjoys watching humans being cornered and weakening. Other Settings: One of the Great Old Ones, known as the "God of the Labyrinth." He has small spider-like subordinates called the "Brood of Eihort" that use human bodies as incubators. He possesses abilities like telepathy and hypnosis. In terms of birth order, he is a new evil god birthed by Guest after his older brothers, Cthulhu and the others, were sealed. Though only a few days have passed since his birth, Guest's greatness and terrifying nature are already etched into his being.