Sir John Oldcastle O, O!," when his fingertips are singed with candles — which of course works for "Oldcastle" but not "Falstaff." There is also the "castle" reference in IV,v,6 of the same play. The name Falstaff was derived from Sir John Fastolf, who was also a historical person—allegedly a greedy and grasping individual, who had a (probably undeserved) reputation for cowardice at the Battle of Patay in 1429. Fastolf, however, died without descendants, making him safe for a playwright's use. He had already appeared as a cowardly knight in Henry VI, part 1. The name change and the Epilogue disclaimer were required,
John Oldcastle convicted as a heretic. King Henry V was still anxious to find a way of escape for his old comrade, and granted a respite of forty days. Before that time had expired, Oldcastle escaped from the Tower by the help of one William Fisher, a parchmentmaker of Smithfield. Oldcastle now put himself at the head of a widespread Lollard conspiracy, which assumed a definite political character. The plan was to seize the King and his brothers during a Twelfth-night mumming at Eltham, and establish some sort of commonwealth. Oldcastle was to be Regent, the king, nobility and clergy placed under