- Founded Slytherin house
- Was a close friend of Godric Gryffindor
- Vauled those who are cunning
- Had a huge argument with Godric Gryffindor, over who should be admitted
to Hogwarts
- Only wanted pure-bloods to attend Hogwarts
- Thought students of muggle decent were untrustworthy
- Was a pure-blood
- Came from the fen