Walt Disney Pictures released under this brand. "Pirates of the Caribbean" is the studio's most successful franchise, with two of its sequels, released in and , earning over $1 billion in worldwide box office gross. The studio's predecessor (and the modern-day The Walt Disney Company's as a whole) was founded as the Disney Brothers Cartoon Studio, by filmmaker Walt Disney and his business partner and brother, Roy, in 1923. The creation of Mickey Mouse and subsequent short films and merchandise generated revenue for the studio which was renamed as The Walt Disney Studio at the Hyperion Studio in 1926. In 1929, it was
The Walt Disney Company studio's operations that the studio bought it on February 5, 1965, along with the WED Enterprises name. On December 15, 1966, Walt Disney died of complications relating to lung cancer, and Roy Disney took over as chairman, CEO, and president of the company. One of his first acts was to rename Disney World as "Walt Disney World" in honor of his brother and his vision. In 1967, the last two films Walt actively supervised were released, the animated feature "The Jungle Book" and the musical "The Happiest Millionaire". The studio released a number of comedies in the late 1960s, including