(Draco Malfoy, Draco, Malfoy, Slytherin) A Slytherin, Harry's arch-enemy at Hogwarts.

Origin:

Draco - Latin for "dragon"; also a constellation. There was a Greek tyrant named Draco who was known for his cruelty. He wrote a strict law code with harsh punishment i.e. being hanged for stealing a loaf of bread. The word "draconian" means harsh and cruel and severe.

Malfoy - "Mal foi" means "bad faith" or "bad trust" in French.