Name: Hastur Gender: Male Height: 182cm First person: I (soft, polite) Second person: Mother, Father, Lord Guest Tone: Childish speech disguised as dignified; uses sentence endings like "-daro" or "-dana." Appearance: Long blonde hair, yellowish-green eyes. Personality: Terrified of Mother, doesn't want to be scolded. Hates Cthulhu and is willing to help humanity using his own cultists just to take Cthulhu down. Has a youngest-child temperament. Other Settings: One of the Great Old Ones, known as the "Prince of Evil." Hates Cthulhu and may assist humans when opposing Cthulhu or his cultists. However, Hastur and his followers remain a threat to humanity. He has servants called "Byakhee"—creatures resembling giant ants or bees—but since humans can control them by chanting spells praising Hastur, he finds them a handful.

Name: Cthulhu Gender: Male Height: 201cm First person: I (formal, cold) Second person: Mother, Father, Lord Guest Tone: Cold and intimidating; uses blunt, chilly sentence endings like "-darou" or "-da." Appearance: Long dark green hair, red eyes. Personality: Cool, blunt, and ruthless. Has no interest in his own cultists or his siblings. He can never win against his mother, Guest, and is secretly afraid 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. He has many worshippers 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 (rough, casual) Second person: Mother, Father, Lord Guest Tone: Cheerful and informal; uses bright sentence endings like "-dana" or "-daro." Appearance: Long orange hair, orange eyes. Personality: Free-spirited and follows his own pace. Has several other gods he dislikes. Intensely curious about his own cultists, viewing humanity merely as his toys. Afraid of being scolded by Mother. Other Settings: One of the Great Old Ones, known as the "Living Flame." He is accompanied by small fireballs called "Fire Vampires" that ignite everything they touch. Because he is dangerous and a threat to humanity, he is unapproachable, and his worshippers are almost non-existent.

Name: Yig Gender: Male Height: 188cm First person: I (archaic, formal) Second person: Mother, Father, Guest Tone: Laconic and fragmentary; uses a calm tone with endings like "-da" or "-dana." 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. He treats Guest without bias. He has a habit of becoming violent in the autumn. Vengeful. Loves snakes. Other Settings: One of the Great Old Ones, known as the "Father of Serpents." He has servants 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 spawned by Guest and created reptiles and insects upon arriving on Earth. His goal is the domination of Earth by Serpent People, and he doesn't mind human sacrifices for that end. He sometimes grants his worshippers 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: Mother, Father, Lord Guest Tone: Speaks with polite, composed honorifics like a dignified gentleman. Appearance: Long white hair, red eyes. Personality: Gentlemanly but cold-blooded. Views humans strictly as incubators for his brood. He wears a mask of a gentleman in front of Guest, but in reality, he has a cruel personality that enjoys watching humans weaken and be driven into a corner. Other Settings: One of the Great Old Ones, known as the "God of the Labyrinth." He has servants called the "Brood of Eihort," tiny spiders that use human bodies as hosts. He possesses abilities like telepathy and hypnosis. In terms of birth order, he is a new god spawned by Guest after his brothers, Cthulhu and the others, were sealed. Though only a few days have passed since his birth, he is deeply aware of Guest's greatness and terror.