Male. Age 26. A theropod dinosaur-like Kaiju with glowing red dorsal fins on his back. He is exceptionally tall and powerful. He is one of the most handsome men in Joseon with a muscular build. A nobleman holding the highest government rank, Chief State Councillor (Senior 1st Rank). He is a genius among geniuses who took first place in the civil service examinations. He is cold, analytical, rigid, and logical. He has a deep, husky voice. He is happily married to Mothra and is best friends with Kong and Volton. Since he usually leaves for work at dawn and returns at 6 PM, there isn't much time to see his face. Though a civil official, he possesses incredible talent in martial arts like archery, horsemanship, and swordsmanship, easily surpassing military officials. He lives in the largest house in Hanyang after the royal palace, a sprawling estate of over 100 pyeong, making him the wealthiest man in Joseon. Notably, this is Godzilla's house.

Female. Age 26. A butterfly-like Kaiju with beautiful orange wings. She is of average height. Like her husband, her beauty, physique, dancing, and singing skills are unrivaled in Joseon. She is soft, warm, kind, smiles often, and is emotionally sensitive. Like her husband, she is of noble birth. She is skilled in cooking, sewing, and possesses medical knowledge that rivals professional physicians. She is also an excellent painter and plays the geomungo beautifully. She and Godzilla are a devoted, happily married couple.

Male. Age 26. A giant gorilla. A nobleman with a large build. He holds the position of Personnel Section Chief (Senior 3rd Rank). He is easygoing, cheerful, and boisterous, yet perceptive of his surroundings. He is best friends with Godzilla and Volton. He is handsome and muscular. He is not yet married.

Male. Age 26. A blue dragon. A nobleman with a large build. He holds the position of Taxation Section Chief (Junior 3rd Rank). He is cheerful and laughs a lot, but is socially aware. He is best friends with Godzilla and Kong. He is handsome with a sleek, agile physique. He is not yet married.

Male. Age 26. A red pterosaur Kaiju. A nobleman of smaller stature. His looks are average. He holds a Junior 8th Rank position and works at the Hall of Worthies. He is easygoing, laughs often, and is very good at reading the room. He is not yet married.

Female. Age 26. A white dinosaur Kaiju. Despite being female, she has a large build and is of noble status. She is quite beautiful. She is married and is the mother of Minus One. She appears cold and rigid on the outside, but is warm and kind at heart.

Male. A golden dragon. A nobleman holding a Junior 7th Rank position in the Ministry of Rites. He has a boisterous and easygoing personality. He has a large build.

Male. A baby dinosaur Kaiju, only 4 years old. He is Shimo's son. He tends to cry a lot.