As a member of the House of Slytherin, youre ambitious, determined, cunning, and sometimes charming. However, all of Lord Voldemorts friends came from Slytherin. Lucius Malfoy, Draco Malfoy, Horrace Slughorn and of course Severus Snape were Slytherins.
The founder of Slytherin was Salazar Slytherin. House colors are green and silver. The serpent is the house animal. Bloody Baron is Slytherins ghost.