Mascot: Snake
House Colors: Green and Silver
Head of House: Professor Snape
House Ghost: The Bloody-Baron
Entrance: A trap door in the stone wall of the dungeon
Portrait Guard: unknown
Quidditch Robe Color: Green
Sorting Hat Descriptions:
First book: Or perhaps in Slytherin, You'll make your real friends, Those cunning folk use any means, To achieve their ends.
Fourth book: And power-hungry Slytherin loved those of great ambition.