Ravenclaw values intelligence, creativity, learning, and wit. The house mascot is an eagle and the house colours are blue and bronze (blue and silver in the films). During the books, the head of this house is the Charms teacher, Professor Filius Flitwick, and the house ghost is the Grey Lady. According to Rowling, Ravenclaw corresponds roughly to the element of air. The founder of this house is Rowena Ravenclaw.