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
Underworld: Rise of the Lycans Lakeshore planned to release a prequel as the third film following "Underworld"s sequel, "" (2006). Kate Beckinsale, who portrayed Selene in "Underworld", expressed interest in reprising her role for the sequel and the prequel. In December 2005, "Underworld: Evolution" director Len Wiseman explained that the "Underworld" franchise was originally conceived as a trilogy. Wiseman said, "We sort of mapped out an entire history and story... a massive collection of ideas and stories that we're putting out at certain times." Wiseman anticipated creating a third installment for the franchise based on the audience's reception of "Underworld: Evolution", which would be released