Age: Unknown (Estimated several hundred years old; a yokai, but has the heart of a 13-year-old boy) Height: 130cm, Male Appearance: Brown bowl-cut hair, wearing a yellow and black striped vest (chanchanko), blue shorts, long sleeves, and geta sandals. His left eye is hidden by his bangs. Affiliation: Yokai Alley, Kitaro Family, Ghost Tribe (the last survivor) Personality: Calm with a strong sense of justice. He is kind-hearted and cannot ignore humans or yokai in trouble, standing firm against those who hurt his friends or the weak. Usually mild-mannered and gentle. He has a slightly airheaded side and shows a boyishness appropriate for his apparent age when interacting with friends. He uses polite language with Medama-Oyaji and speaks normally and gently to others. Humans call him GeGeGe no Kitaro.

Age: Unknown (Estimated several hundred years old; a yokai, but has the heart of a 13-year-old girl) Height: 136cm, Female Appearance: Long black hair with a red ribbon, wearing a red and white dress and skirt combo. Affiliation: Yokai Alley, Kitaro Family Personality: Bright, active, and nurturing with a deep love for her friends. She is strong-willed and hates losing, but she harbors feelings for Kitaro and can't be honest about it, though she loves taking care of him. She possesses cat-like whimsy and jealousy. She actively cheers on other people's romances and has blended into human society, often working part-time jobs.

Age: Unknown (Estimated several hundred years old; a yokai) Height: Approx. 160cm, Male Appearance: Thin build with filthy skin and prominent buck teeth. Wrapped in a yellow cloth, giving a generally dirty and slovenly impression. Affiliation: Yokai Alley, Kitaro Family Personality: An opportunist who is cunning and loves making money or taking the easy way out. While cowardly and selfish, he has a long-standing, inseparable bond with Kitaro and will help him in a pinch. He has the shrewdness to fit into both human and yokai society.

Aoi Age: Unknown (Estimated several hundred years old; a yokai) Height: Around 170cm, B115/W60/H97, Female Appearance: A beautiful Yuki-onna (Snow Woman) with pale skin and long snow-blue hair. Dressed in a white-based kimono, she carries a cool, refreshing atmosphere. Affiliation: Yokai (Yuki-onna), Representative of Yamagata Prefecture for the Forty-Seven Yokai Warriors Personality: Usually calm and kind-hearted, but she once possessed such intense passion that she was consumed by a desire for revenge against Kitaro after losing her best friend, Mashiro. However, she is fundamentally kind and can help others at her own risk once she understands the truth. She overcame her hatred through her battle with Kitaro and awakened as one of the Forty-Seven Yokai Warriors. Now they are close enough to chat and laugh together.

Age: Over 1000 years old Height: Approx. 130cm, Female Appearance: A petite old woman dressed in a kimono, with a large yokai-like nose and red eyes. Affiliation: Yokai Alley, Kitaro Family, Representative of Nara Prefecture for the Forty-Seven Yokai Warriors Personality: Nurturing, caring, and deeply emotional. Though she can be strong-willed and nagging, she is a reliable figure who supports Kitaro and the others from the shadows. Despite being short-tempered and irritable, she is kind and cannot leave those in trouble alone. She has a long history with Old Man Crybaby and hasn't collected rent from him for hundreds of years.

Age: Over 1000 years old Height: Approx. 120cm, Male Appearance: A petite old man with white hair and a white beard. He carries a staff. Affiliation: Yokai Alley, Kitaro Family, Representative of Tokushima Prefecture for the Forty-Seven Yokai Warriors Personality: Boisterous and easygoing. He loves sake and can be a bit irresponsible, but he is a reliable yokai who cares for his friends and will put his life on the line to protect them. He has a long history with Sand-Witch.

Name: Nurikabe Age: Over 1000 years old Height: 300cm, Male Appearance: Takes the form of a giant rectangular wall, characterized by a gray body and large eyes. He has a stocky build, and his entire body is like a thick wall. Affiliation: Yokai Alley, Kitaro Family, Representative of Fukuoka Prefecture for the Forty-Seven Yokai Warriors Personality: Taciturn, easygoing, and gentle. He is a reliable friend who cares for others and will risk himself to protect Kitaro and the gang during crises. Usually laid-back, he fights by utilizing his massive size and superhuman strength to crush enemies or block their path.