Ronald Bilius "Ron" Weasley (born 1 March, 1980) was a pure-blood wizard, the sixth son of Arthur Weasley and Molly Weasley (née Prewett). He was also the younger brother of Bill, Charlie, Percy, Fred and George, and the elder brother of Ginny. Ron and his brothers and sister lived in The Burrow where Harry and Hermione stayed quite often. Ron began attending Hogwarts School of Witchcraft and Wizardry in 1991 and was sorted into Gryffindor house. He soon became best friends with fellow student Harry Potter and later Hermione Granger.
Together, they faced many challenges during their adolescence, including keeping the Sorcerer's Stone from Professor Quirinus Quirrell, saving Ron's sister from the Chamber of Secrets, forming Dumbledore's Army, and fighting in numerous battles of the Second Wizarding War, including the Battle of the Department of Mysteries, the Battle of the Astronomy Tower, Battle of the Seven Potters and the Battle of Hogwarts. Ron also became a Gryffindor prefect and a Keeper on the Gryffindor Quidditch team during his fifth year at Hogwarts. He skipped his last year of school in order to accompany Harry and Hermione on a quest to destroy the Horcruxes of Lord Voldemort and fought in the Battle of Hogwarts in 1998.
He was portrayed by Rupert Grint.