TV-Series
Description
Neko Musume, a half-yōkai cat hanyō from Shigeru Mizuki's works, originates from early kamishibai and rental manga. A precursor named Neko featured in "Hakaba Kitarō" stories like "The Vampire Tree and the Neko-Musume" and "A Walk to Hell." This precursor possessed similar bake-neko transformation abilities but met a tragic end after being manipulated into suicide, her soul residing in Jigoku.

Her design evolved significantly across adaptations. Early manga versions depicted her with a bowl-cut hairstyle and no ribbon. Anime iterations progressively refined her look: the second anime introduced her iconic red polka-dot dress, later series shifted towards more human-like, feminine designs, and the fifth anime emphasized cuteness with varied outfits reflecting her interest in human fashion. The sixth anime portrayed her as taller with adult proportions, purple hair in a bun, sheer pantyhose, and red stiletto heels, featuring pointed ears that droop during distress.

Her core ability is transforming into a bake-neko form, triggered by anger, hunger for fish, or encounters with rats. This state grants cat-like eyes, fangs, razor-sharp claws, enhanced reflexes, and replaces speech with howls. The sixth anime demonstrated greater control, allowing her to consciously activate the form for strategic combat, attacking ferociously on all fours, unlike earlier involuntary shifts.

Relationships define key aspects. She harbors a persistent romantic interest in Kitarō, addressing him familiarly without honorifics in the 2018 anime while maintaining a tsundere demeanor. Kitarō typically views her platonically but exhibits protectiveness, defending her against Mana Inuyama. Antagonism with Nezumi-Otoko stems from their cat-rat dynamic, leading her to frequently punish his misdeeds physically, though they occasionally collaborate in battles.

Manga storylines add background. She debuted in "Nezumi-Otoko and Neko-Musume" (1967), later attended yōkai primary school with Kitarō. The "Zoku GeGeGe no Kitarō" arc depicted her as a university student with whiskers and an arrogant personality, scheming to live with Kitarō before Nezumi-Otoko trapped her in a book. "Shin GeGeGe no Kitarō" reintroduced her as a braided-haired high school student, suggesting possible retcons. Another variant, "Kaiki Neko-Musume," featured a human named Midori cursed with similar transformative abilities due to her father's past actions.

The sixth anime expanded her role significantly. Residing in GeGeGe Forest, she actively participated in resolving human-yōkai conflicts. Her combat prowess increased, battling ferociously as Kitarō's equal. This series explored emotional depth, like her distress when temporarily regressing to a childlike form. Narrative integration included multi-episode arcs like the "Brigadoon Project" (episodes 27–37), where she confronted Western yōkai threats alongside the Kitarō family.

Trivia includes her favorite foods (fish, bonito flakes, rats), residence near a Chōfu ramen shop in early manga, her use of "cat language," and official English localization names like "Cat Girl" and "Catchick."