Fleur Delacour, turning on the Veela charm, circa Harry's fourth year.

Godric Gryffindor, at the Golden Era of Hogwarts with his element of fire

Rowena Ravenclaw, with her diadem and element of air

Salazar Slytherin, with his respective elements of water and snake-liness

Helga Hufflepuff, with her respective element of earth