Disney theme parks", which are "well-established cultural icons", with the company name and Mickey Mouse being "household names". Disney is one of the biggest competitors in the theme park industry with 12 parks, all of which were the top-25 most-visited parks in 2018. Disney theme parks worldwide had over 157 million visitors, making it the most-visited theme-park company in the world, doubling the attendance number of the second-most-visited company. Of the 157 million visitors, the Magic Kingdom had 20.8 million of the guests, making it the most-visited theme park in the world. When Disney first entered the theme park industry, CNN stated: "It changed an already legendary company. And it changed the entire theme park industry." According to The Orange County Register, Walt Disney World has "changed entertainment by showing how a theme park could help make a company into a lifestyle brand". Criticism and controversies The Walt Disney Company has been criticized for making purportedly sexist and racist content in the past, putting LGBT+ elements in their films, and not having enough LGBT+ representation. There have been controversies over alleged plagiarism, poor pay and working conditions, and poor treatment of animals. Several of Disney's films have been considered to be racist; one of the company's most-controversial films Song of the South was criticized for portraying racial stereotypes. For that reason, the film was never released to home video in the U.S. or Disney+. Other characters that have been called racist are Sunflower, a black centaurette who serves a white centaurette in Fantasia; the Siamese cats in Lady and the Tramp, who are considered to be over-exaggerated as Asians, stereotypes of Native Americans in Peter Pan, and crows in Dumbo, who are depicted as African Americans who use jive talk. Their leader being named Jim Crow, which is considered to be a reference to racial segregation laws in the U.S. When watching a film on Disney+ considered to have wrongful racist stereotypes, Disney added a disclaimer before the film starts to help avoid controversies. Disney has also been accused a number of times of plagiarizing already existing works in its films. Most notably, The Lion King has many similarities in its characters and events to an animated series called Kimba the White Lion by animator Osamu Tezuka. Atlantis: The Lost Empire also has many similarities to the anime show Nadia: The Secret of Blue Water that were considered so prevalent