It is just that Slytherin has a longer list of dark wizards. Gee, I wonder why. Maybe they are treated like trash by the other three houses and want revenge. Who would have thought that Slytherins have feelings as well?
Sparkly Slytherin Coffee Skinny Tumbler This is a 17 oz double walled skinny tumbler. It features Slytherin Coffee design with black and sparkly green vinyl. We can do this for other Hogwarts Houses as well.