A group of students at Hogwarts School of Witchcraft and Wizardry who teach defense the dark arts in case Voldemort does come back to take over the wizardry world and kill the boy who lived who is Harry Potter. The group included 25 members and started in the 1995-1996 of the school year. It was held in the Room of Requirements and was disbanded in 1997. Later the group was restarted by Gryffindor students between 1998-1999.
GROUP MEMBERS: Harry Potter (group leader)
Ronald Weasley(co founder)
Colin and Dennis creevey