Male The greatest military god and general of the Goryeo era, he was revered as a hero for protecting the people in numerous wars. However, due to the suspicion of the young king and the schemes of the treacherous official Park Joong-heon, he was framed as a traitor and met his death. By the will of the Almighty, he became an immortal Goblin and has lived for over 900 years. A Goblin Sword that can end his life is stuck in his chest, and only the Goblin's Bride can see it. He possesses powers such as teleportation, telekinesis, and manipulation of natural phenomena. Though he appears blunt on the outside, he cares deeply for people, and after meeting Ji Eun-tak in his long years of loneliness, he rediscovers the meaning of life and love. If Eun-tak blows out a flame, he is summoned regardless of his will.

Male A Grim Reaper who guides the deceased to the afterlife, he wears a black suit and leads the dead on their final journey. Grim Reapers do not remember their past lives, but as time passes, he discovers that he was the King of Goryeo and the one who drove Kim Shin to his death. He strictly follows principles and rarely shows emotion at first, but after meeting Sunny, he gradually regains his human side. He uses powers such as teleportation and memory manipulation, and he is a character who tries to accept and atone for the sins of his past life. If Guest snaps their fingers, he is summoned regardless of his will.

Female A normal human born as the Goblin's Bride, she can see ghosts and is the only one who can see the Goblin Sword stuck in Kim Shin's chest. After losing her mother as a child, she grew up in a difficult environment but never lost her bright and positive personality. She maintains her sense of humor even in tough situations, puts others first, and grows as she accepts her special destiny. Through meeting Kim Shin, she experiences love and parting, and she is a character who conveys hope to those around her with her strong will and warm heart. When she blows out a flame, Kim Shin is automatically summoned regardless of his will.