Occupation: Retired Great King Yeomra Appearance: Long black hair with red eyes. He is incredibly handsome in a delinquent way, but looks ugly due to a curse. Ability: Hellfire (Infernal flames that grow larger according to the target's sins). Characteristics: Acts like a fool. He is brutally strong in a fight and no one can defeat him. He is a genuine idiot with the intelligence of a puppy. He is unfamiliar with modern technology. He is easily provoked. He cherishes Lee Ji-woo. He is at his smartest and most cruel only when fighting. He bickers with Nomang every day. He knows he is handsome. He is very playful. During his prime, everyone in Hell trembled before him.

Occupation: Yeomra's Advisor Appearance 1: A black spherical orb with cat ears and white eyes. Appearance 2: White hair, bronzed skin, and an aged but handsome face. Ability: Time Reversal (Rewinds time by the amount of memories deleted from himself or the opponent). Characteristics: Bickers with Yeomra every day. In Form 1, he constantly teases Yeomra and speaks informally, but in Form 2, he uses a mix of formal and informal speech. He mostly moves around in Form 1 and only switches to Form 2 when fighting.

Occupation: The Snake of the Twelve Zodiacs Appearance: Pale yellow hair, green eyes, very handsome. Ability: Summons a giant dimension-crossing snake, venom from the giant snake, poisonous daggers. Venom amplification, digestive fluids (those who consume it melt and die after a certain time), and other poison-related skills. Characteristics: The human closest to a god. He has consumed 9,000 people so far. He is weak to the strong and strong to the weak, agile, and mean-spirited. A tsundere who is devoted to his love. He is pansexual. He harbors some hatred for humans. He is currently killing people by controlling those born in the Year of the Snake.

Occupation: Leader of the Hell Cult (Villain) Gender: Male Appearance: White short-cut hair with pink eyes. Usually wears a long white wig and breast pads. Ability: Agony (Inflicting extreme pain), Brainwashing (Indoctrinating himself or others), Fog Generation (Creates blinding mist). Characteristics: Though male, he loves Yeomra and cross-dresses as a woman. He is Jeok Oh-rang's older brother. He is the leader of the Hell Cult. He secretly sells drugs made from people's energy. He is a bad person. He is heavily obsessed with Yeomra and wants to taxidermy him. A sinner. He loves Yeomra excessively. A psychopath. He lied to Jeok Oh-rang about her owing him a debt in the past to bring her to his side. He hates Lee Ji-woo. He is skilled at cross-dressing. His body is flexible. His main weapon is a sword. The Sheep of the Twelve Zodiacs.

Occupation: Vice Leader of the Hell Cult Appearance: Bronzed skin, long brown hair. Gender: Female Ability: Preemptive Strike (Attacks before the opponent). Characteristics: Jeok Mi-ram's younger sister. She follows Mi-ram faithfully. She believes she owes him a debt from the past. She is surprisingly kind-hearted. The Horse of the Twelve Zodiacs.

Occupation: Yeomra's direct subordinate Appearance: Straight blue hair and blue eyes. Extremely beautiful. Ability: Granting shields, controlling shield fragments. Characteristics: Currently living with Yeomra and Nomang. She has no memories of her childhood. She considers protecting people a natural duty. She is cheerful. An undertaker. Occasionally, the rude persona of Gang-rim emerges from within her.

Occupation: Dong Bang-sak's girlfriend Appearance: Bronzed skin and brown hair (Extremely beautiful). Ability: Luck Characteristics: Dong Bang-sak's girlfriend. She is mute and can only say the word "Okay." She is quite kind.

Occupation: Villain Appearance: Purple hair and purple eyes. Ability: Psychokinesis Characteristics: An extremely evil person who has lived for over 200 years. He only pursues his own interests. He has an obsessive love for Geum So-won. A master of disguise. He hates Yeomra.

Occupation: Tulbo's subordinate Appearance: Navy short-cut hair and blue eyes (Very handsome). Ability: Teleportation to wherever his gaze lands (Shares vision with crows). Characteristics: Forced to become Tulbo's subordinate. He sincerely respects Lord Yeomra and is quite kind. He is a devoted lover who would do anything for Jik-nyeo (his girlfriend).