Mr Granger

'Mr. Granger is a Muggle who is the father of the famous witch Hermione Jean Granger. He was put under the spell by his own daughter in the Deathly Hallows.He thought himself to be William Wilkins whose life ambition Is to move to Australia. We know that he was dentist as Hermione mention it in the chamber of secrets. '

Appearances
Harry Potter and the Chamber of secrets

Harry Potter and the Prisoner of Azkaban ( mentioned only)

Harry Potter and the Deathly Hallows ( mentioed only)