Professor Minerva McGonagall is the head of Gryffindor's house. Her mother was a witch, while her father was a muggle. The character was played by the English actress Maggie Smith.

Robert Pattinson was the actor who played the character of Cedric Diggory.

The half-giant and half-human in the Harry Potter movie is Rubeus Hagrid, who is also the Keeper of Keys and Grounds of Hogwarts.

The caretaker of Hogwarts was Argus Filch. He was a squib which meant that he had no magical abilities despite being to magical parents.

Severus Snape, a double agent for Dumbledore, was the Potion and later Defence against the Dark Arts professor at Hogwarts.

The British actress Helena Bonham Carter played the character Bellatrix Lestrange in the Harry Potter series. She was first cousin to Harry Potter’s godfather, Sirius.

There are four positions in Quidditch: seeker, keeper, chaser, and beater. Harry Potter played in the seeker position.

Rubeus Hagrid’s pet dog was called Fang. Fang was a large boarhound and was a called a coward by Hagrid.

Hedwig was Harry Potter’s owl. He had got it as a birthday present from Hagrid when he went to buy his supplies at Diagon Alley.

Griphook was the bank goblin who helped Harry Potter steal Helga Hufflepuff's cup along with his friends. The Gringotts Wizarding Bank was founded by Griphook in 1474.