This text is an extensive Wikipedia article about Walt Disney, providing a comprehensive biography of the legendary American animator, producer, and entrepreneur. The document covers his early life and education, tracing his move to California and the founding of the Disney Brothers Studio with his brother Roy. A large section details his career, highlighting the creation of Mickey Mouse, the "Golden Age of Animation," his work during World War II, and his later expansion into theme parks with Disneyland and planning for EPCOT.