Môretsu atarô (1969)

Ataro is a 10-year-old Tokyo boy, who inherits the family store after his father's early death in an accident. The store is threatened by Kokoro Boss and his gang. Ataro has to face the threat with the help of his father's ghost X-goro, his own best friend Dekoppachi, the anthropomorphic alley cat Nyarome, and retired crime boss Butamatsu.