Portrait of three young ladies

These young ladies were witches whose portrait hung at Hogwarts Castle in the 1990s, between the Fat Lady and a portrait of two lovers in a graveyard. The three young ladies were all dressed in white, one of them usually blowing bubbles.

Appearances

 * Harry Potter and the Prisoner of Azkaban (film)
 * Harry Potter and the Order of the Phoenix (video game)
 * Harry Potter and the Half-Blood Prince (video game)