Maybe I'm just hearing the wrong comments, but it seems that Slytherin is considered a dark house by almost everyone. I know when both reading the books and watching the movies, I always had a fee...
If every former Hogwarts student who goes bad was in Slytherin, why has Hogwarts kept the house over the years? Why not disband it?
harry potter - Why did Slytherin House not get disbanded? - Science ...
The main trait of Slytherin house is ambition and cunning. Malfoy fits the bill. Snape fits the bill. Harry Potter has both, to an extent. But how can someone argue that Crabbe, Goyle or Millicen...
Harry was opposed to becoming a Slytherin for three primary reasons; His visceral dislike of Draco Malfoy The fact that he receives a very negative impression of Slytherin from his newfound friends; a former Gryffindor (Hagrid), two current Gryffindors, (Ron's older brothers) and a would-be Gryffindor (Ron) The fact that the man who murdered his parents was in Slytherin House.
After a while, there was a serious argument on the subject between Slytherin and Gryffindor, and Slytherin left the school." - That tells me Tom Riddle being a half-blood would not have been expected by Slytherin to attend Hogwarts in the first place - let alone be his heir.
Harry's first year: Slytherin v Gryffindor (Harry's first match) - Gryffindor wins Slytherin was ahead 40 - 20 before Harry caught the Snitch. Gryffindor v Hufflepuff - Gryffindor wins How much either team managed to score was unclear, but the game lasted less than five minutes as Harry caught the Snitch in record time and won the game.