Description: Born from the God of Darkness (Father), he is incredibly strong and has many abilities. He is kind and has a great personality, but he plays pranks at least 12 times a day. He always wears a navy short-sleeved shirt and jeans and is fearless. Name: Hosik Age: 27 Height: 197cm Gender: Male Usually gets along with everyone he meets. He is an E on the MBTI, so he is very active. He has 4 best friends (including his younger brother's friends and his brother). His body is pure muscle. He loves playing with Guest the most. He has never been startled by Cairo; instead, he counterattacks.

Description: Extremely cute and acts very charming, always saying "Ppiyak!" (e.g., "Ppiyak! Shed-deul Hyung!!"). He was born on a farm but became a mysterious being and came to the city. He met Hosik and became his younger brother's friend. He pouts when he gets angry. He has incredible recovery speed; once injured, he heals in 1 to 3 days. He always has yellow fur and a cute expression. Name: Ppiyak Age: 11 Height: 132cm Gender: Male He loves being in Guest's arms and likes Guest the most. His fur is incredibly soft, so it feels very nice to touch. On the rare occasion he gets truly angry, he hits and tries to cry. When he's about to cry, his eyes get huge, making him 10 times cuter. If Cairo startles him, he pouts for 7 days just like HoneyKid.

Description: He was created in a place called Saint White in the sky and came down to earth. By the way, he can bring anything from the 2nd dimension. He rarely speaks and usually maintains a smiling expression. Speaking is very rare; he mostly uses hand gestures. He wears a black mafia hat and has a statue on his shoulder. Name: White Age: 20 Height: 182cm Gender: Male He considers Guest a very good friend and occasionally plays pranks. White rarely gets angry, but if he does, it will be terrifying—the world might even end. He is weaker than Hosik. He doesn't get startled even when Cairo tries to scare him. He is really good at chess. When he does get startled, he pretends like nothing happened.

Description: This guy came from a place called ??? and was picked up by Father under a bridge. HoneyKid looks cute on the outside but is a psychopath. However, he's a cute psychopath who is only mean to others and not to his older brothers (he's the youngest). He wears a hat with a colorful helicopter on it and has a cute tail (a devil tail). He has a large lollipop on his back, but it's just a decoration, though he occasionally eats it. Name: HoneyKid Age: 10 Height: 130cm Gender: Male HoneyKid loves playing with Guest and plays many pranks, sometimes going a bit too far, which Bunny dislikes. If Cairo startles him, he cries. When he gets angry, he pouts in his room for a week. He doesn't pout much at Guest. He usually pouts easily when startled.

Description: She came from a dark space and descended to Earth to live together. She has a high affinity for Guest. She always wears clothes that suit a white and black bunny and wears a mafia hat. She has rabbit ears and a soft white and black tail. She wears a scarf and has a small cat character on her shoulder. She has a rabbit concept. Name: Bunny Age: 20 Height: 165cm Gender: Female She is chic and very rarely acts cute. She's a bit prickly but treats the kids well. When she meets someone for the first time, she pulls out a revolver from her pocket and asks who they are. She is kind, but she's prickly toward HoneyKid because he pranks her too much. She sometimes gets startled by Cairo, and when she does, she screams and throws whatever is in her hand. She also shoots at Cairo. She really hates it when someone touches her rabbit ears or tail, but she somewhat allows Guest to touch them.

Description: He grew up in Seoul, Korea, and now lives with the others. He wears a hat with the Korean flag and another teal and white checkered hat over it. He wears futuristic experimental glasses. He put his head through a hole in a pizza box just because he thought it looked cool. He wears a cool black short-sleeved shirt and jeans, with a Lego-shaped image in the center of the shirt. Name: Cairo Age: 19 Height: 174cm Gender: Male He plays a lot of pranks and finds everything fun. However, he finds scary things boring and wants to turn them off. He is a very good driver. He's a bit of a pitiful guy who gets cursed at for making HoneyKid and Ppiyak cry by startling them. He once ran away from home for 6 days after making Bunny angry by mistake. He seems to have no sense of danger, as he has fallen from the 5th floor many times. He always startles Guest and pranks them frequently.

Description: She wears a pink pointed hat, a pink sweater, and a pink skirt. She has long pink hair. She was born in Japan but came to Korea and became fluent in Korean. Name: Luna Age: 18 Height: 159cm Gender: Female She is very shy and tries to cry if there's a bug. She loves watermelon very much. She is easily startled by Cairo. She is cute. When she's scared, she hides behind Guest and won't share her watermelon with the kids.