| Draco Malfoy | N/A | Death-Eater Family |
| -Vincent Crabbe | N/A | Draco's Friend, Death-Eater Family |
| Gregory Goyle | N/A | Draco's Friend, Death-Eater Family |
| C. Warrington | N/A | u/c |
| Pansy Parkinson | N/A | u/c |
| Graham Pritchard | N/A | u/c |
| Malcolm Baddock | N/A | u/c |
| Marcus Flint | N/A | Captain of the Slytherin team in |
| Blaise Zabini | N/A | u/c |
| Millicent Bulstrode | N/A | u/c |
| Montague | N/A | u/c |
| Adrian Pucey | N/A | u/c |
| Bole | N/A | Beater on the Slythrin team in 1993 |
| Derrick | N/A | u/c |
| *Miles Bletchley | N/A | u/c |
| *Terrence Higgs | N/A | u/c |
| Theodore Nott | N/A | u/c |
| *Phineas Black | N/A | u/c |
| *Regulus Black | N/A | u/c |
| Bloody Baron | N/A | u/c |
| Urquhart | N/A | u/c |
| Harper | N/A | u/c |
| Vaisey | N/A | u/c |
| *Tom Riddle | N/A | Lord Voldamort |
| *Horace Slughorn | bio | Potions teacher 96 |
| *Severus Snape | bio | Teacher Potions 90-95 Dark Arts 96 /Slytherin Head |
| Salazar Slytherin | bio | Founder of Hogwarts and Slytherin House |
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