Dumbledore's Army
Dumbledore's Army is a fictional student organisation in J. K. Rowling's Harry Potter series that is founded by the main characters, Harry Potter, Ron Weasley and Hermione Granger, to stand up against the regime of Hogwarts High Inquisitor Dolores... Wikipedia
Members: Harry Potter, Hermione Granger, Ron Weasley, and more
Founders: Harry Potter and Dolores Umbridge
Leader: Harry Potter