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. Hankey, the Christmas Poo 1998 Christmas season. In addition to the title character, "Mr. Hankey, the Christmas Poo" included the first appearances of characters Father Maxi and Mr. Mackey. Both characters appeared in "Damien", which was produced before "Mr. Hankey, the Christmas Poo", but the Christmas episode aired first. Mr. Mackey was inspired by Parker's real-life school guidance counselor; Parker, who provides the voice for Mackey, said the real-life counselor was similarly thin and wiry and that Parker's voice for Mr. Mackey is an exact, unexaggerated version of how his counselor spoke. "Mr. Hankey, the Christmas Poo" includes several references to the "Peanuts" holiday