Sir John Oldcastle pentameter verse lines in both parts are irregular when using the name "Falstaff," but correct with "Oldcastle." Finally, there is the blatant disclaimer at the close of "Henry IV, Part 2" that disassociates the two figures: "for Oldcastle died [a] martyr, and this is not the man" (Epilogue, 29-32). There is even a hint that Falstaff was originally Oldcastle in "The Merry Wives of Windsor" too. When the First Folio and quarto texts of that play are compared, it appears that the joke in V,v,85-90 is that Oldcastle/Falstaff incriminates himself by calling out the first letter of his name, "O,
Sir John Oldcastle play, which has not survived; because of this fact, the extant play has sometimes been called "Sir John Oldcastle, Part I" or "1 Sir John Oldcastle.") In 1664, the play was one of the seven dramas added to the second impression of the Shakespeare Third Folio by publisher Philip Chetwinde. Like other subjects of Elizabethan history plays, Sir John Oldcastle was an actual person, a soldier and Lollard dissenter who was hanged and burned for heresy and treason in 1417 — thus earning himself a place in the seminal text of the Protestant Reformation in Tudor England, John Foxe's "Book