Answer: Hogwarts Express
More information: The Hogwarts Express runs from London's King's Cross Platform 9 3/4 to Hogsmeade Station.
More information: Seamus Finnigan was a student of Gryffindor House.
Answer: Lee Jordan
More information: Lee Jordan was a the commentator who called many Quidditch matches during the 1990's.
More information: It is customary for duelling to face each other and bow.
More information: In Quidditch it is the Keeper's job to guard the goal posts.
More information: Quidditch is played upon flying broomsticks.
Answer: Nearly Headless Nick
More information: Nearly Headless Nick is the ghost who resides in Gryffindor Tower.
Answer: Filius Flitwick
More information: Filius Flitwick was the part-goblin, part-wizard and former Head of Ravenclaw House.
Answer: Horses and humans
More information: A centaur is a mythical half-man, half-horse.
Answer: Fantastic Beasts
More information: The Harry Potter prequel is called "Fantastic Beasts and Where to Find Them".