Albus Dumbledore, a powerful wizard, is the headmaster of Hogwarts School of Witchcraft and Wizardry, and a major character in the Harry Potter series. Use this tag for questions about the character, not those that merely mention him, and with the [harry-potter] tag.
Albus Dumbledore is a major character in J.K. Rowling's harry-potter franchise and served as Harry Potter's mentor and guide as he grew into wizarding. He is a powerful wizard and the headmaster at the hogwarts School of Witchcraft and Wizardry. Dumbledore knew Harry's past and, as such, took great care to make sure he had the resources to face the trials he suspected were coming.
He was portrayed by two actors in the film series: Richard Harris (who died after filming the second movie) and Michael Gambon.