Slytherin Crest i
Every crest makes use of the image of an animal, symbol of an element and the colours for each of the houses.
Salazar Slytherin as well as the crest of his house symbolises the element of water, which is used as the background of the crest. The colours of the Slytherin house are green (background) and silver (the animal). The animal used in the crest is a snake which represents resourcefulness and ambition.