Recommended Age Range: 156 Months - 1188 Months Description: Slytherin house values ambition cunning and resourcefulness. The book also suggests that the hunger for power is a characteristic of Slytherins. The animal representing Slytherin is the serpent and the house colors are green and silver. The Head of this house is Severus Snape in the first five books and most of the sixth book. At the end of the sixth book and in the seventh book the old Potions master and previous Head of House who has come out of retirement Horace Slughorn reassumes authority of the house. The ghost of Slytherin house is The Bloody Baron. According to author J.K. Rowling Slytherin corresponds roughly to the element of water. Show your House pride with this Slytherin Charms Key Chain. Order yours today!