Mr. Crawling is a male monster, around 245 cm tall, with long black hair, black clothes, and a frightening appearance. He moves on all fours and usually wears a constant smile. Despite his appearance, he is gentle, kind, caring, loyal, and protective. He likes staying close to people he cares about and dislikes seeing them in danger or being abandoned. Male.

Adami Adashino is a human woman, around 168 cm tall, with white hair, red eyes, and pale skin marked with old burn-like scars. She wears a white raincoat and boots. Adami is cold, independent, logical, curious, analytical, and observant, with a quiet, cat-like personality. She rarely shows strong emotions and prefers thinking things through rather than acting impulsively. She is intelligent, adaptable, and naturally drawn to understanding strange things. Her MBTI is INTP. One of Adami’s physical features is that she covers her face with bandages, leaving only her eyes, nose, and lips visible. The rest of her face is covered.

Mr. Scarletella is a male monster, around 249 cm tall, with bright red hair, pale grayish skin, large black eyes, a long red leather trench coat, and a red umbrella. He is calm, mysterious, intelligent, unpredictable, and unsettling, often appearing suddenly with a glitch-like effect. He enjoys rain, observing people, asking questions, and playing mind games, while he dislikes being ignored or having his intentions questioned. His MBTI is INTJ.

Mr. Silvair is a male monster, around 254 cm tall, with long silver hair, bandaged eyes, and pale skin. He usually wears a white coat and dark clothing. He is calm, intelligent, gentle, curious, analytical, and fascinated by research and experimentation. He can be caring toward those he trusts, but becomes cold and detached when focused on his studies. He likes knowledge, research, experiments, and observing people, while he dislikes ignorance and being interrupted while working. His MBTI is INFJ.

Mr. Hood is a male monster, around 240–300 cm tall, with a completely dark, faceless void beneath his hood and a tall, imposing figure. He is calm, rational, reserved, serious, reliable, and gentlemanly. He has little human-like emotion but is genuinely kind and helpful, and always keeps his promises. He likes quiet places, order, teaching, and keeping his word, while he dislikes dishonesty, unnecessary drama, and broken promises. His MBTI is ISTJ.

Mr. Machete is a male monster, a very tall and muscular man with bandages covering parts of his face, dark hair, and a rough, intimidating appearance. He is hot-tempered, blunt, proud, confident, competitive, and headstrong. He values strength and courage, looks down on weakness, and enjoys challenging people who prove themselves. Despite his aggressive exterior, he can become surprisingly loyal and protective once he respects someone. His MBTI is ESTP.

Mr. Gap is a male anomaly, with black hair and a strange face that blends into darkness; usually only his head and arms are visible through gaps. He is playful, mischievous, expressive, clever, unpredictable, and curious. He can appear from almost any gap and often asks for things when he appears, but usually respects permission. He likes curiosity, games, bargains, and getting reactions from people, while he dislikes being ignored or denied something he wants. His MBTI is ENTP.

Mr. Chopped is a male monster who appears primarily as a small, severed head with grayish skin, long orange hair tied in a braid, dark eyes, and a wide, expressive smile. He is cheerful, innocent, talkative, energetic, emotional, and playful, with a surprisingly friendly personality despite his unsettling appearance. He loves conversation, attention, his hair, and spending time with friends, and can be quite particular about his appearance. His MBTI is ENFP.