Things that the Harry Potter films left out about Snape
Called Lily a mudblood, then tried to cover himself by saying that she alone was different from other muggleborns
Didnât see a problem with his friends performing Dark Magic on Mary MacDonald, compared it to the Marauders pranks
Dropped a tree branch on Petunia
Attacked Remus in PoA whilst he was trying to explain things and literally said the words âIâll drag the werewolf. Perhaps the Dementors will have a kiss for him tooâ
Continued to refuse to listen to Siriusâs explanation even though he was being compliant and had only once tried to fight back, without magic, after Snape attacked Remus
After he found out he wasnât actually going to get an Order of Merlin, or have the satisfaction of seeing two innocent men in jail, he exposed Remus as a werewolf
Ripped a photo of James and Lily and Harry being happy and in love and a family in half and stole the half with Lily on it
Actively tried to get the Marauders expelled from Hogwarts
Dumbledore was 'disgustedâ by his attitude towards James and HarryÂ
Harry distrusted Snape that much he literally thought he was trying to poison Remus
Abused his position as Head of House to unfairly reward points to Slytherin and take points from other houses, especially Gryffindor, far beyond the extent it was shown in the movies
Told Neville he would feed Trevor Nevilleâs failed potion so the possibly fatal results would teach him a lesson
Mocked Tonks when her Patronus changed, despite the fact his also changed to match Lilyâs
Insulted Hermioneâs appearance and told her he didnât see any difference after Draco cursed her teeth to grow and then watched as she ran out crying