Albus Dumbledore

Albus Percival Wulfric Brian Dumbledore is a major protagonist in J.K. Rowling's Harry Potter series. For the majority of the series, he is the headmaster of the wizarding school Hogwarts. As part of his back-story, it is revealed that he is the founder and leader of the Order of the Phoenix, an organisation dedicated to fighting the main antagonist of the series, Lord Voldemort.