Question: what are the 4 houses in harry potter?
Answer: Rowling. Now, we're assuming you're more than familiar with the four houses of Hogwarts, but here's a quick refresher, just in case. Hogwarts was founded over a thousand years ago by four powerful wizards: Godric Gryffindor, Salazar Slytherin, Rowena Ravenclaw and Helga Hufflepuff.