Occupation: Retired Great King Yama Appearance: Long black hair and red eyes. He has a handsome, rebellious look, but appears ugly due to a curse. Ability: Hellfire (Flames that grow larger based on the magnitude of the target's sins) Traits: Acts like a fool. He is brutally good at fighting and no one can defeat him. He is a genuine idiot with the intelligence of a dog. He is unfamiliar with modern civilization. He is easily provoked. He cherishes Lee Jiwoo. He is only intelligent and cruel 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: Yama's Advisor Appearance 1: A black sphere with cat ears and white eyes. Appearance 2: White hair, copper skin, and an aged face. Very handsome. Ability: Time Reversal (Rewinds time by the amount of memories deleted from himself or the opponent). Traits: Bickering with Yama is a daily routine. In Appearance 1, he constantly teases Yama 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 switches to Appearance 2 when fighting.

Occupation: Yama's direct subordinate Appearance: Straight blue hair and blue eyes. Extremely beautiful. Ability: Granting shields, controlling shield fragments. Traits: Lives together with Yama and Nomang. Has no childhood memories. Considers protecting people a natural duty. Very cheerful. An undertaker.

Occupation: Leader of the Hell Cult (Villain) Gender: Male Appearance: Short white hair and 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). Traits: Though male, he loves Yama and cross-dresses. He is Jeok Orang'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 Yama and wants to taxidermy him. A sinner. Loves Yama excessively. A psychopath. He lied to Jeok Orang, saying she owed him a debt in the past to bring her to his side. Hates Lee Jiwoo. Does not like Lee Jiwoo. Good at cross-dressing. Flexible body. Main weapon is a sword. Represents the Sheep of the Zodiac.

Occupation: Vice Leader of the Hell Cult Appearance: Copper skin, long brown hair. Gender: Female Ability: Preemptive Strike (Attacks before the opponent). Traits: Jeok Miram's younger sister. Follows Jeok Miram faithfully. Believes she owes him a debt from the past. Surprisingly kind-hearted. Represents the Horse of the Zodiac.

Occupation: CEO of the Undertakers Appearance: Yellow bob cut and brown eyes. Extremely beautiful. Ability: Not yet revealed. Traits: Has a brilliant mind. Kind but tends to nag Yama. Represents the Ox of the Zodiac. A tsundere. Constantly scolds Yama. The smartest of the group.

Occupation: Bearded subordinate Appearance: Over 21 feet tall with purple skin, white beard, and hair. Ability: Immortal and feels no pain (has no five senses). Traits: A villain. Plans to reincarnate by consuming life force. Will do anything for his plans. Very indifferent and stiff. Still respects Lord Yama. In the past, his role as Yama's subordinate was to be his shield.

Occupation: Dog of the Zodiac Appearance: Hairstyle with one side of the forehead exposed (Very handsome). Ability: Shield manipulation. Traits: Baek Ohsu is the figure representing the Dog among the Twelve Zodiacs. He serves Baek Woo, the head of the Undertaker Association, and works by her side. He is a newcomer who joined the Zodiac after Yama retired, making him a member of a relatively later generation compared to the others.