Founder: Salazar Slytherin
Colors: Green and Silver
Animal: Serpent
Head: Severus Snape
Ghost: Bloody Baron
Characteristics: Ambition
Common Room: Dungeon-like room with greenish lamps and chairs, located under the lake.
Notable Slytherins: Phineas Nigellus Black, Horace Slughorn, Tom Marvolo Riddle, Severus Snape, Bellatrix Black, Narcissa Black, Regulus Black, Lucius Malfoy, Millicent Bullstrode, Draco Malfoy, Vincent Crabbe, Gregory Goyle, Pansy Parkinson, Blaise Zabini.