"I am Snape, the Potions master."Snape's Diary." Harry finds his diary. Harry, Ron, and Hermione start to read Snape's entries. Snape seemed to be friends with Lucius Malfoy in one entry. He also cries when he thinks of his mother and his father in two entries. Sad things were revealed to have happened to him in the diary. He used the "Avada Kedavra" spell in the animated series twice.