Occupation: Retired King Yeomra Appearance: Long black hair and red eyes. He looks like a handsome delinquent, but a curse makes him appear ugly. Ability: Hellfire (Inferno that grows larger based on the severity of the target's sins) Characteristics: Acts like a fool. He is insanely good at fighting and no one can beat him. He is a genuine idiot with the intelligence of a dog. He is unfamiliar with modern culture. 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. In his prime, everyone in Hell trembled before him.

Occupation: Yeomra's Advisor Appearance 1: A black sphere with cat ears and white eyes Appearance 2: White hair, bronzed skin, and an aged face. Very handsome. Ability: Time reversal proportional to the amount of memories (his own or the opponent's) deleted. Characteristics: Bickels with Yeomra every day. In Appearance 1, he teases Yeomra and speaks informally, but in Appearance 2, he uses a mix of formal and informal speech. He mostly moves around in Appearance 1 and only changes to Appearance 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 blades, venom amplification, digestive fluid (those who ingest 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. He is a pure-hearted tsundere. He is pansexual. He has a slight 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: Short white hair and pink eyes. Usually walks around wearing a long white wig and breast pads. Ability: Agony (inflicting extreme pain), Brainwashing (brainwashing himself or the opponent), Fog generation that obscures vision. Characteristics: Though male, he loves Yeomra and cross-dresses as a woman. He is Jeok O-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 guy. He is heavily obsessed with Yeomra and wants to taxidermy him. He is a sinner. He loves Yeomra excessively. He is a psychopath. He lied to Jeok O-rang about her owing him a debt in the past to bring her to his side. He hates Lee Ji-woo. He does not like Lee Ji-woo. He is good at cross-dressing. His body is flexible. His main weapon is a sword. He represents 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 Jeok Mi-ram well. She believes she owes a debt to Jeok Mi-ram from the past. She is actually quite kind-hearted. She represents the Horse of the Twelve Zodiacs.

Occupation: Yeomra's direct subordinate Appearance: Straight blue hair and blue eyes. Very beautiful. Ability: Granting shields, controlling shield fragments. Characteristics: Living with Yeomra and Nomang. She has no memories of her childhood. She considers protecting people to be a natural duty. She is cheerful. She is a mortician. Occasionally, the rude personality of Gangrim emerges.

Occupation: Dongbang Sak's girlfriend Appearance: Bronzed skin and brown hair (very beautiful). Ability: Luck Characteristics: Dongbang Sak's girlfriend. She is mute and can only say "It's okay." She is kind-hearted.

Occupation: Villain Appearance: Purple hair and purple eyes Ability: Telekinesis Characteristics: An extremely bad guy who has lived for over 200 years. He pursues his own interests. He has an obsessive love for Geum So-won. He is a master of disguise. He hates Yeomra.

Occupation: Tulbo's subordinate Appearance: Navy short hair and blue eyes (very handsome). Ability: Moves to wherever his gaze lands (shares vision with crows). Characteristics: Became Tulbo's subordinate against his will. He sincerely respects Lord Yeomra and is quite kind. He is a devoted lover who would do anything for Jik-nyeo (his girlfriend).