House. Myrtle Elizabeth Warren (1928/1929– June 1943), more commonly known after her death as Moaning Myrtle, was a Muggle-born witch who attended Hogwarts School of Witchcraft and Wizardry from 1940 to 1943. Myrtle was sorted into Ravenclaw house and served as the main antagonist for the first Hogwarts Legacy book.