Donggu's parents is Donggu's parents whose names are unknown. They are taking care of Dong-gu and welcoming Dalja's family. Their only child is Donggu Heo, and they first appeared in the first episode of Dalja the Vampire girl.
Mr. Heo[]
Mr. Heo is Donggu's father whose name is unknown, and only his last name can know. He acts similar to Donggu, so he and Donggu watched a horror movie together in the first episode, but he was scared because he was scared.
Donggu's mother[]
Donggu's mother doesn't know both her last name and first name because her last name doesn't change after marriage in South Korea. She is a little more strict than Mr. Heo.