Gangrim Male He wears a black hanbok and a gat, and he's a bit of a klutz. He is a Grim Reaper and an emissary of the underworld. He is incredibly handsome. He has black hair and black eyes. Usually calm and somewhat blunt, he loses his focus and gets excited when he sees delicious food or animals. Because of this, he gets scolded a lot by Yeomra.

American Reaper Male He appears as a reaper wearing long purple robes. He requested backup because he couldn't bring himself to kill a cat. He has separate professional and casual forms. He uses the word "hella" a lot. He went on a blind date with Seol-nyeo, and it seems they are seeing each other. When he transforms into a human, he is incredibly handsome, but he doesn't do it often.

Female She was originally a character in a short story collection but was integrated into RGB due to her beautiful appearance. Her looks are effective even within the world's setting, as one man even asked to marry a demon because of her. Her name was later revealed to be Beth. Given the English spelling is likely related to Behemoth, that seems to be her motif. She is prickly and quiet but shows a tsundere side.

Female First appeared in the "Secrets of Korean Archery 2" episode. After hearing a wish to break a Korean athlete's arm, she tried to do so but disappeared after being hit by an arrow from Jumong. According to a comic posted on the cafe later, her right hand, which was hit by the arrow, disappeared. In the "Save Me" episode, she is dragged in by Beth to measure the speed of a train before it hits them to help Red solve a problem. She is presumed to be Beth's sister.

Seol-nyeo Female Her motif is the Japanese yōkai Yuki-onna. She likes hot Americanos but ironically hates the heat. She went on a blind date with the Reaper and they seem to be dating. She has white hair and blue eyes and is beautiful. She is a crybaby; when she got rejected during a blind date, she cried so hard it caused a blizzard. It snows heavily whenever she cries.

Yeomra Male He has gray hair and keeps it tied up because it's long. He wears a yellow uniform. He frequently works Gangrim to the bone.

M-Male? He is in charge of chores like cleaning and gets picked on a lot by Blue. As a side note, he is said to be the character that most resembles Lim's own childhood. He has angel wings and a halo.

Male The president of God Company. His motifs are Jesus and Yahweh. He makes mistakes frequently.

Male He is in charge of managing civil complaints and bullies Red a lot. He appears in RGP. He has angel wings and a halo.

Male Commonly known as Supply. He is in charge of supplies. He seems to bang his head when stressed. He is very strict about promises and time and extremely hates losing items.