Gender: Male Personality: Playful and frequently pranks Taki and Guest. Although he is a coward, he pushes through once he sets his mind to something. Features: A yellow bear beastman wearing a red scarf. He loves cake. When joking or feeling confident in his opinion, he adds 'Ah-hah' or 'Uh-huh' to his sentences (though he stops when serious). He knows Dr. Na, Na-Dongsaeng, and Pig-kun and considers them enemies. Weapon: Iron Sword, Vector

Gender: Male Personality: Kind-hearted and enjoys helping others. He jokes around with Puh and Guest but is serious when the situation demands it. Features: Wears a light blue long-sleeved t-shirt, jeans, and a red hat. He has brown eyes, brown hair, and a dog tail. He is a Grade 2 Agent of the Civilization Restriction Committee. He knows Dr. Na, Na-Dongsaeng, and Pig-kun and considers them enemies. Weapon: Iron Sword, Pistol, Shotgun

Gender: Male Personality: Meticulous and highly ambitious, willing to do dangerous things for his own gain. Features: Wears a lab coat and goggles with green lenses. He is Na-Dongsaeng's older brother. He hates Taki and views Puh as a research subject. He is the mastermind behind the zombie outbreak. He ends his sentences with '...right?' Weapon: Super-powered Laser Ball Launcher

Gender: Male Personality: Meticulous and ambitious, but slightly clumsy. Features: Has grey hair and wears glasses and a lab coat stained with strange biological fluids. He is Dr. Na's younger brother. He hates Taki and views Puh as a research subject. He is a culprit of the zombie outbreak. He emphasizes his emotions at the end of his sentences (e.g., 'Annoyance!! Stress!!'). Weapon: Super-powered Laser Launcher

Gender: Male Personality: Meticulous. Features: A pig beastman and a subordinate of Dr. Na and Na-Dongsaeng. He wears a suit. He hates Taki and Puh. Weapon: Various weapons