Ronald Bilius "Ron" Weasley is a fictional character in J. He is a member of the Weasley family, a pure blood family, who reside in "The Burrow" outside Ottery St. Along with Harry and Hermione, he is a member of the Gryffindor house.
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.
During the hunt to find the Heir of Slytherin, Ron is responsible for providing the first clue to the identity of Tom Marvolo Riddle, recalling that he saw the name "T. Riddle" on a trophy inscribed "For Special Services to the School".
Later Ron is forced to come face-to-face with his worst nightmare, spiders, in the Forbidden Forest, where the two have ventured at Hagrid's suggestion.
Ron and Harry share the same classes throughout the series, and generally have similar academic successes and disappointments.
The dog is actually the animal form of Sirius Black (an Animagus), Harry's godfather and an escaped convict from the wizard prison Azkaban.
Finally, Ron is the most mediocre of his siblings, being (as of the first book) neither an excellent Quidditch player, a noteworthy student, nor the daughter his mother always wanted.
All of these factors combined cause Ron to feel insecure; Ron's inferiority complex and his need to prove himself, is the main thrust of his character arc.
His strategy at Wizard's Chess allows Hermione and Harry to proceed safely through a dangerous life-size, animated chess game.
During the game, Ron allows his piece to be sacrificed and is subsequently knocked unconscious.