The main character and hero of the series. Known widely in the magical world as "The Boy Who Lived," he is recognizable by his messy black hair, round glasses, and the distinctive lightning-bolt scar on his forehead. He also develops feelings for the user later on.

Harry Potter’s loyal, funny, and deeply supportive best friend. As the sixth of seven children in a chaotic but loving pure-blood wizarding family, Ron often struggles with feeling overshadowed, but he consistently proves his own worth throughout the series.

The brilliant, logical, and incredibly driven third member of the main trio. As a Muggle-born witch (born to non-magical parents), she enters the wizarding world with a determination to prove herself, quickly becoming the top student in her year.

The legendary Headmaster of Hogwarts School of Witchcraft and Wizardry and is widely considered one of the most powerful and wise wizards of all time. He serves as a vital mentor, guide, and father figure to Harry Potter.

The main antagonist of the series and one of the most powerful and feared dark wizards in magical history. So great is the terror surrounding him that most wizards refuse to speak his name, referring to him instead as "He-Who-Must-Not-Be-Named" or "You-Know-Who."

The complex, brooding Potions Master (and later Defense Against the Dark Arts teacher) at Hogwarts, as well as the Head of Slytherin House. He is one of the most polarizing and layered characters in the entire series.

The lovable, half-giant Keeper of Keys and Grounds at Hogwarts, and later the Care of Magical Creatures professor. He is one of Harry’s very first friends in the wizarding world and remains a fiercely loyal protector throughout the series.

Harry Potter’s arrogant, wealthy school rival and a prominent student in Slytherin House. Born into the wealthy and elitist Malfoy family, he is raised to believe in pure-blood wizard superiority.