The Slytherin house is founded by Salazar Slytherin, its emblem is the snake and its colors are green and silver. The house ghost is the Bloody Baron. The Slytherin house is best known for being composed of pure-blood students because of Salazar’s mistrust of muggle-borns.Slytherins common room is found in the dungeons of Hogwarts, underneath Black Lake, which is why the light comming in through the windows shine green.

 

Slytherin is currently in first place for the House Cup.