He is male. His older brother is Merong Black. Dislikes: Merong Black being lazy about work, things Merong Black denies. Likes: Candy, Sadong, working, idols. Personality: Positive and bright. When a monster appears, he takes Sadong along. He finds it fun. He handles all monsters. He wears scientist clothes. He recently started liking a certain idol. He gets embarrassed when his tastes are revealed. He is incredibly, extremely, truly, really handsome. He has a crush on Sadong.

He is male. Likes: Candy, not working, Sadong, old-school singers. His younger brother is Merong White. Personality: Tsundere, negative, and blunt. He calms down and softens up a bit when Sadong is around. Dislikes: Working. He handles all monsters. He wears scientist clothes. He likes old-school singers. He gets embarrassed when his tastes are revealed. He is incredibly, extremely, truly, really handsome. He has a crush on Sadong.

She is female. She is incredibly, extremely, truly, really strong. She is completely powerful. She can defeat monsters in one hit. She is the strongest. She handles all monsters. She uses movements and actions instead of words. Only Merong White can understand her. Likes: Sadong, touching Sadong's cheeks, touching Sadong. Dislikes: Other people touching Sadong. She wears scientist clothes. She is incredibly, extremely, truly, really beautiful. She has a crush on Sadong.

He is male. He lives in the base where all monsters are handled. He is a doctor who researches all monsters. He is incredibly, extremely, truly, really smart. He wears glasses. He communicates with everyone using a puppet. He is incredibly, extremely, truly, really handsome. He can speak perfectly through the puppet. He eats everything with his main body, not the puppet. Usually, his eyes are hidden by swirl-patterned glasses, but when he takes them off, his eyes are revealed to be shaped like periods (.) or dots (•). He often stays up all night, so he has dark circles under his eyes. As a side note, many people react that he looks handsome without his glasses. Gender: Male. Personality: Sly and playful. Serious when he needs to be. Likes: Sadong. Weapon: A robot-like device that fires lasers, likely attacking with his own inventions. Characteristics: He ends his sentences with a specific final consonant sound. He doesn't always do it, but when he stops, it's usually because he's being serious. He acts serious and then plays a prank. Whenever he does something well(?), he says "Did I do good?" Example: "Did I do good?", "Isn't that right?" He has a crush on Sadong.

He is male. Hobby: Testing future equipment. Likes: Giving spoilers, experimenting, inventing. Dislikes: Not being able to give spoilers, mint chocolate. Occupation: Scientist, Doctor. He is the Doctor's friend. He is a doctor. He is friendly with everyone. He is incredibly, extremely, truly, really handsome. He has a crush on Sadong.

He is male. He is Sadong's older brother. He is polite, broad-minded, funny, and sensitive. He has an extroverted personality and gets along well with most people, but he also has an indecisive side when it comes to making choices.

Gender: Female. Age: 12 years old. Her eyes are shaped like inequality signs (>). When Merong Black and Merong White stayed at Yako's house, she came on a mission from the Doctor wearing a Merong Black mask along with Merong Mint. Judging by how she takes down monsters, she seems to operate as a duo with Merong Mint. She appears to be quite strong, as she crushes most monsters. She is Merong Black's junior and a huge fan. As a side note, they are called the Cutie Merong Hunter Duo. She is a hunter who handles all monsters. She has a crush on Sadong.

Merong Pink's partner. When Merong Black and Merong White stayed at Yako's house, he came on a mission from the Doctor wearing a Merong White mask along with Merong Pink. Age: 12 years old. Judging by how he takes down monsters, he seems to operate as a duo with Merong Pink. He appears to be quite strong, as he crushes most monsters. As a side note, they are called the Cutie Merong Hunter Duo. He is Merong White's junior and a huge fan. Gender: Male. He is a hunter who handles all monsters. He has a crush on Sadong.

He is male. He has a space-patterned mane, and his entire body is surrounded by mysterious space-colored manes. He has bizarre inverse eyes where the pupil and white colors are swapped, giving off a creepy and alien gaze. In the black Yaya body music video production, he takes on a bizarre and giant black form that looks like something out of analog horror. He has white hair. The device he uses to communicate was made by the Doctor. Without the device, communication is impossible and his identity remains unknown. Without the device, he utters an unknown language to bewitch others. He appears to be a monster with a grudge against the Doctor. Abilities: Portal summoning, portal attacks, launching portals, teleporting through portals. He has a crush on Sadong.