The Art of Walt Disney told him that he had no rights to Oswald, because the cartoon was not copyrighted under Walt’s name. After, Walt, his brother Roy O. Disney, and Ub Iwerks, came together to create all new characters, all of which Walt was going to make sure he owned. Mickey Mouse was soon developed, a character Walt had been inspired to create just from a simple pet mouse he once had in his office back in Missouri. Since its release in 1973, The Art of Walt Disney has expanded and revised its content on four separate occasions; 1975, 1995, 2004, and 2011. Each
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