The Little Prince and the Eight-Headed Dragon (1964)

In this influential cult-classic animated film based on Japanese folklore, Susano is the youngest son of Izanagi and Izanami, the heavenly couple who created the Earth. Still a young boy, Susano is devastated by the passing away of his mother. Determined to find her despite the reprimands of his father, he embarks on a journey to find his brother and his sister for spiritual guidance.