- Draco Lucius Malfoy is loosely based on bullies Rowling encountered during her school days.
- Draco Malfoy's first-draft names were Draco Spungen, Draco Spinks, and Draco Smart
- Draco's surname, Malfoy, is derived from the French phrase mal foi, meaning "bad faith."
- After the war, Draco Malfoy & family avoided imprisonment in Azkaban due to their last-minute switch in allegiance
- Draco Malfoy married Astoria Greengrass, the younger sister of his classmate Daphne Greengrass.
- Draco Malfoy and Astoria Greengrass had a son together named Scorpius Hyperion Malfoy.
- Draco, Astoria, and Scorpion live in Malfoy Manor
- Draco Malfoy is good at compartmentalizing his life, which makes him skilled at Occlumency & at bullying others
- Draco Malfoy was attracted to be a Death Eater, but the reality of what it meant was way too much to handle
- Draco Malfoy would have attended Durmstrang Institute, but his mother didn't want him staying far away from home.
- Draco Malfoy was one of the series' most popular characters due to Tom Felton's performances, much to JKR's dismay
- Draco Malfoy had a fondness for green apples.
- Draco Malfoy was the only known follower of Voldemort to receive Voldy's hug.
- Draco Malfoy was not capable of producing a Patronus as it is not magic routinely taught at Hogwarts.
- JKR has discarded a scene (twice) where Theodore Nott goes to the Malfoy home to visit Draco.
- Draco Malfoy made an effort to be Harry's friend because he thought it would be cool to turn up at Hogwarts being his friend.
- Draco Malfoy made peace with Harry but they were still not considered to be anything at all near friends.
- IGN listed Draco Malfoy as their ninth top Harry Potter character.
- It was made clear to him that he was triply special: firstly as a wizard, secondly as a pure-blood, and thirdly as a member of the Malfoy family.
"Like every other child of Harry Potter’s age, Draco heard stories of the Boy Who Lived through his youth. Many different theories had been in circulation for years as to how Harry survived what should have been a lethal attack, and one of the most persistent was that Harry himself was a great Dark wizard. The fact that he had been removed from the wizarding community seemed (to wishful thinkers) to support this view, and Draco’s father, wily Lucius Malfoy, was one of those who subscribed most eagerly to the theory. It was comforting to think that he, Lucius, might be in for a second chance of world domination, should this Potter boy prove to be another, and greater, pure-blood champion. It was, therefore, in the knowledge that he was doing nothing of which his father would disapprove, and in the hope that he might be able to relay some interesting news home, that Draco Malfoy offered Harry Potter his hand when he realised who he was on the Hogwarts Express." - Pottermore