The Golden Trio: Harry, Ron & Hermione

Explanation: Muggle dentists. In Book 7, to protect them, Hermione wipes their memories and sends them to Australia under the names Wendell and Monica Wilkins. She restores their memories after the war.

Explanation: Wingardium Leviosa, Professor Flitwick's Levitation Charm. This Charms-class scene is iconic. It leads directly to the troll-in-the-bathroom episode where Harry and Ron save Hermione, sealing their friendship.

Explanation: A Jack Russell Terrier, a small energetic dog. Cheeky detail: Ron''s Patronus (Jack Russell) and Hermione''s (otter) are animals that naturally chase each other in the wild. A metaphor for their relationship.

Explanation: Crookshanks, a half-Kneazle (part-cat, part-magical-feline) that is very intelligent. He loathes Scabbers (Ron's rat who is actually Peter Pettigrew) and tries to attack him repeatedly, he was right all along.

Explanation: Keeper, defending the three hoops. Ron suffers terrible stage fright at first but gains confidence thanks to the insulting chant "Weasley is our King", which Gryffindors flip around after a win against Slytherin.

Explanation: During the Battle of Hogwarts, in the Chamber of Secrets. Hermione smashes Hufflepuff''s Cup with a Basilisk fang, right after Ron suggests evacuating the house-elves. Ron showing genuine care for the elves finally wins Hermione over.

Explanation: Auror, he even becomes Head of the Auror Office at the Ministry of Magic, hunting down remaining Dark wizards after Voldemort''s fall. Ron works with him as an Auror first, then joins George''s Weasleys'' Wizard Wheezes shop.

Explanation: James Sirius, Albus Severus, and Lily Luna Potter. James for Harry''s father, Sirius for his godfather, Albus for Dumbledore, Severus for Snape, Lily for Harry''s mother, and Luna for Luna Lovegood. Every name tells the saga.

Explanation: The Chudley Cannons. A notoriously awful team, the worst in the British League. Ron wallpapers his room at the Burrow with their posters. Their fatalistic motto: "Let''s all just keep our fingers crossed and hope for the best".

Explanation: Dean Thomas, Harry''s Gryffindor dorm-mate. Ginny breaks up with him when Harry starts taking an interest in her in Book 6. Dean is also hunted by the Snatchers during the war, being Muggle-born.

Explanation: Lavender Brown. Their relationship (she nicknames him "Won-Won") is one of the most cringe-worthy in the films. It drives Hermione to jealousy and to unleash her canary-summoning spell on Ron.

Explanation: The Burrow, near Ottery St Catchpole. The house stands up through pure magic and seems to have been added floor by floor over time. It''s one of the warmest places in the saga, where Harry spends several summers.

Explanation: Arithmancy, which studies the magical properties of numbers. Hermione finds it fascinating while Ron thinks it''s terrifying. She famously drops Divination (which she considers nonsense) in her third year during a memorable Trelawney class.

Explanation: Rose. Full name: Rose Granger-Weasley. In the Book 7 epilogue, she boards the Hogwarts Express for her first year alongside Albus Severus (Harry''s son). She has a younger brother, Hugo.

Explanation: She''s an only child. In the books, Hermione has no siblings, a rarity in a universe where wizarding families often have many children. It partly explains her love of reading and her precocious maturity.