The Mr. Men Show the books but are, in fact, new stories. There are also several changes in the TV show. "The Mr. Men Show" was produced in Los Angeles by Renegade Animation, who was well known for producing Cartoon Network's "Hi Hi Puffy AmiYumi", and Chorion in New York City and London. Some artistic license has been taken in adapting the books for television, including name changes, design alterations and the creation of entirely new characters. In 2008, Mr. Rude, Mr. Quiet, Mr. Strong, Mr. Grumpy, Mr. Fussy, Little Miss Naughty, Little Miss Whoops, Mr. Messy, Little Miss Helpful, Mr. Small, Mr. Nosey,
Mr. Men agreement to acquire the rights to the Mr. Men and Little Miss characters from Chorion after the company was forced into administration. This marked the first time that Sanrio had licensed a third-party character since owning the rights to Osamu Tezuka's Unico character in the late 1970s and early 1980s, which was returned to Tezuka Productions after Tezuka's death in 1989. They also own the rights to the Peanuts characters in Japan. In 2016, four new characters were launched to celebrate the series' 45th anniversary, Mr. Marvellous, Mr. Adventurer, Little Miss Fabulous and Little Miss Sparkle. In addition, Adam Hargreaves