Shinobu Hattori, known as Shinobu-chan, is a major character in the anime series 'Ninja Hattori-kun'. She is the younger sister of the protagonist, Kanzo Hattori. Shinobu is a skilled ninja in her own right, though she is still learning and perfecting her abilities. Her character is known for her cheerful and optimistic personality, often bringing light-hearted moments to the series. She deeply admires her brother and often assists him in his adventures, displaying her loyalty and bravery despite her young age.