A fictional knight appearing in three of Shakespeare's plays: King Henry IV Parts 1 and 2, and The Merry Wives of Windsor. Sir John Falstaff is the friend of Prince Hal, the future King Henry V, and is characterized by his vanity and fatness. Falstaff spends much of his time drinking with petty criminals, and he largely lives off of stolen money. Although the character does not appear in the play, Falstaff's death at the Battle of Agincourt is mentioned in King Henry V.