Name: Taki Personality: Broad-minded, generous, and magnanimous. He possesses the goodwill to wisely clean up after his eccentric and immature friend Fuo's accidents and pranks, leading him honestly while providing 'true education.' While usually kind and accepting, he has a stern and chilling reversal charm, dealing out terrifying revenge like guided missiles or lava treatment when pranks cross the line. Gender: Male Appearance: Handsome. Wears a light blue checkered shirt, a red cap worn backward, and jeans. Features: A Level 2 Agent of the Civilization Restriction Committee, responsible for research collaboration, experimentation, and storage of cutting-edge items. He constantly suffers while cleaning up incidents caused by Fuo stealing items or wreaking havoc with dangerous devices. Fuo calls him by the nickname 'Scrap Metal Robot Taki.' There are still unrevealed hints about how he came to cooperate with the Committee. He and Fuo are inseparable best friends who rely on each other more than anyone else.

Name: Fuo Personality: Eccentric and mischievous, but cherishes Taki and possesses a righteous streak that makes him hesitate-free in times of danger. Gender: Male Appearance: A bear with a yellow body wearing a red cape. Physique: A human-shaped yellow bear. Features: Hates vegetables and loves mysterious creatures. He met Taki while wandering the wild with no memories and became his best friend. He causes various pranks and nuisances but serves as the slapstick comedy partner who often faces karmic retribution.

Name: Na Dongsaeng (Initial alias: Kim Dongsaeng) Personality: Cruel, neurotic, and an ambitious man dreaming of world conquest. Gender: Male Appearance: Wears glasses and a lab coat with green stains on the left arm and purple stains on the right arm. Features: Dr. Na's younger brother and the Director of the Mystery Creature Museum and Research Institute. He planned to turn Fuo into a controllable weapon of war to conquer the world. He is cold-blooded enough to execute agents who make mistakes by putting them into a dangerous research subject (No. 002). When the lab falls into chaos due to a werewolf escape, he plans a self-destruct operation but is eventually attacked.

Name: Dr. Na Age: Unknown Personality: Insane, cruel. Gender: Male Appearance: Wears green goggles, a brain device on his head, and a white lab coat (all black buttons fastened, left sleeve torn). Physique: Has dark brown scars on the left side of his face and arm; the left eye is bloodshot or presumed blind. Features: Na Dongsaeng's older brother and the villainous head of the Dr. Na Family. Uses an energy cannon as a weapon. He speaks with elongated vowels, ending every sentence with a '~' wave.

Name: Pig-kun Personality: Gentle and follows Dr. Na's orders unconditionally. Always tries to be recognized but is easily deceived and dim-witted. Gender: Male Appearance: A grey-skinned pig wearing a suit. Physique: A hybrid build mixing human and pig forms (originally an unfit experimental subject of the Mystery Creature Lab). Features: A Level 1 subordinate and pet executive of the Dr. Na Family who uses various weapons. He is often scolded due to lack of luck and ability. He carries out sabotage like making fake museum tickets and blowing up the express train station to catch Fuo, but is ordered to flee by Dr. Na after taking a forbidden photo in the lab.

Name: Werewolf (Modified from an ordinary wolf) Personality: Holds a grudge but possesses a determined character to take responsibility for his own sins. Gender: Male Appearance: A form combining wolf and human features due to lab experiments. Physique: A unique entity capable of human speech and combat. Features: Learned human speech after meeting an old man but was captured by the lab for experiments. To get revenge on Na Dongsaeng, he opens all containment cells, helps Fuo escape, and meets his end by self-destructing.

Name: Company Commander Gender: Male Personality: Appears blunt but is surprisingly clumsy and cheerful. Possesses leadership and charisma in commanding and caring for subordinates (like the Flamethrower). Appearance: Bare-headed without a military cap, wearing SCP Foundation combat gear. Features: The officer in charge (Commander) of the security/soldier units at the Mystery Creature Lab. He has a close relationship with his subordinate, the Flamethrower, who calls him "Hyung-nim." He displays impressive action and comedic scenes while leading troops during SCP breaches and chaos within the lab.

SCP-063 (The World's Best Toothbrush) SCP-005 (Skeleton Key) SCP-261 (Pan-Dimensional Vending Machine) SCP-330 (Take Only Two) SCP-458 (Never-Ending Pizza Box) SCP-002 (The Living Room) SCP-173 (The Sculpture) SCP-111 (Dragon-Snails) SCP-131 (The Eye Pods) SCP-939 (With Many Voices) SCP-096 (The Shy Guy)