Ronald Bilius Weasley is a fictional character in J. K. Rowling's Harry Potter fantasy novel series. His first appearance was in the first book of the series, Harry Potter and the Philosopher's Stone, as the best friend of Harry Potter and Hermione Granger. He is a member of the Weasley family, a pure blood family that resides in "The Burrow" outside Ottery St. Catchpole. Being the only member of the three main characters raised in magical society, he also provides insight into the Wizarding World's magical customs and traditions. Along with Harry and Hermione, he is a member of Gryffindor house and is present for most of the action throughout the series. Ron was portrayed by Rupert Grint in all eight Harry Potter films.

Joanne Rowling ; born 31 July 1965), known by her pen name J. K. Rowling, is a British author and philanthropist. She wrote Harry Potter, a seven-volume fantasy series published from 1997 to 2007. The series has sold over 600 million copies, been translated into 84 languages, and spawned a global media franchise including films and video games. The Casual Vacancy (2012) was her first novel for adults. She writes Cormoran Strike, an ongoing crime fiction series, under the alias Robert Galbraith.