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 Ed Catmull took over as President of Pixar Animation Studios. Former Executive Vice-President of Pixar, John Lasseter, became Chief Creative Officer of Walt Disney Animation Studios, its division Disneytoon Studios, and Pixar Animation Studios, as well as assuming the role of Principal Creative Advisor at Walt Disney Imagineering. In February 2006, Disney acquired the rights to Oswald the Lucky Rabbit from NBC Universal (including the character's intellectual property and the 26 Oswald cartoons produced by Walt Disney) as part of an exchange of minor assets. In return, Disney released sportscaster Al Michaels from his contracts with ABC Sports and ESPN,