Mr. Men featuring her character being published; it was sold only in W H Smith branches, with a portion of the proceeds going to a charity supporting children with leukaemia. In 2003 Adam created three new Mr. Men characters and three new Little Miss characters. He also created 'Little Miss Christmas' to accompany 'Mr. Christmas' after this book was rereleased with new illustrations. In April 2004, Hargreaves' widow Christine sold the rights to the Mr. Men and Little Miss characters to UK entertainment group Chorion for £28 million. In 2006, to celebrate 35 years of Mr. Men and 25 years of Little
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