Who are the major and the minor characters are in Harry Potter?

In the "Harry Potter" series, major characters include Harry Potter, Hermione Granger, and Ron Weasley, who form the trio at the center of the story. Other significant figures are Albus Dumbledore, Voldemort, and Severus Snape. Minor characters include figures like Neville Longbottom, Luna Lovegood, and the Weasley family, who contribute to the broader narrative and enrich the world of Hogwarts. Each character plays a role in the overarching themes of friendship, bravery, and the battle between good and evil.