Fred and George Weasley are fictional characters in the Harry Potter book series written by J. K. Rowling. The characters are the identical twin brothers of the Weasley family, making them the older brothers to Ron and Ginny and friends of Harry Potter. They are initial members of Dumbledore's Army later joining the Order of the Phoenix after their departure from Hogwarts. They are also the founders of Weasleys' Wizard Wheezes in Diagon Alley, a shop they opened post-graduation to sell their mischievous pranks. The twins were played by identical twin brothers James and Oliver Phelps in the film adaptations of the books.

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.