after her, knowing he would not stop until Helena was found. When Helena refused to return with him, the Baron killed her in a fit of rage, and then, in remorse, killed himself with the same weapon. He has thus haunted Hogwarts ever since, wearing his ghostly chains as a form of penance. Terence Bayler portrayed the Baron in the first film. In contrast to his book counterpart, the Baron is mirthful in the film, playfully swiping through the Sorting feast with his sword, much to the amusement of those within his house. The Fat Friar The Fat Friar is the Hufflepuff House ghost. He is a jolly man and very forgiving, frequently suggesting that Peeves be given another chance, or forgiven for any mishaps. Simon Fisher-Becker appeared as the Fat Friar in the film adaptation of Philosopher's Stone. The Grey Lady The Grey Lady is the Ravenclaw House ghost. According to a letter written by Rowling to Nina Young, the actress who played the Grey Lady in the first film, she is "a highly intellectual young lady .... She never found true love as she never found a man up to her standards". Harry Potter and the Deathly Hallows reveals that the Grey Lady is Helena Ravenclaw, daughter of Rowena Ravenclaw, making her the only house ghost known to be related to one of the Hogwarts founders. She informs Harry that she stole the Diadem of Ravenclaw from her mother, in an attempt to become smarter than her, and then went into hiding in Albania. It was a dying Rowena Ravenclaw's wish to see her daughter again, and so she sent for the Bloody Baron to look for her, knowing that he would not rest until he brought her back, partly because he was in love with her. However, she refused to come with the Baron and, in a moment of blind rage, he killed her with a single stab-wound to the chest. Overcome with remorse, the Bloody Baron killed himself using the same weapon in turn and wears chains as penitence, "as he should", the Grey Lady says. The diadem remained in the hollow of a tree in an Albanian forest until Tom Riddle managed to charm the story out of the Grey Lady. Riddle, who had been seeking historically significant objects to make into Horcruxes, later retrieved the diadem from Albania and hid it in the Room