Rubeus Hagrid time. It's unknown if Fang is still alive when Harry's children come to Hogwarts. Fluffy is a giant three-headed dog provided by Hagrid to guard the trapdoor leading to the underground chamber where the Philosopher's Stone was hidden until the end of "Philosopher's Stone". The only known way to get past Fluffy is to lull him to sleep by playing music. Fluffy is based on Cerberus, the three-headed dog from Greek mythology that guards the gates to the underworld. As with Fluffy, Cerberus was lulled to sleep with music by Orpheus. In "Philosopher’s Stone", Harry, Ron, Hermione and Neville accidentally
The Dog It Was That Died jumping off Waterloo Bridge into the Thames. However, the attempt goes wrong when he falls not into the water but onto a passing barge, breaking his legs and killing a dog which was on the deck. Over the course of the play, the reasons for this emerge. Some years ago, Purvis was approached by a Soviet spy named Rashnikov, who asked him to work as a double agent. Purvis reported this to his British superiors, who told him to pretend to work as a Soviet double agent whilst really working for them. However, Purvis also recalls that Rashnikov had told