According to Norman, when his memory returned, and he realized Spider-Man saved his life, he hated him instantly because he knew that he forever lived in Spider-Man's debut.

Are Peter Parker and Harry Osborn friends?

Harry is the best friend of Peter Parker (Spider-Man's alter ego) and Flash Thompson, the ex-boyfriend of both of Mary Jane Watson and Gwen Stacy, the son of Norman Osborn, the husband of Liz Allan and the father of Normie and Stanley Osborn, as well as the creator of Gabriel and Sarah Stacy who are ultimately bound to ...

Why did Harry become the Green Goblin?

After destroying Peter's apartment in a battle with Spider-Man, he began seeing a psychiatrist who tied him up and became himself the Green Goblin. Harry later suffered from amnesia, forgetting the identity of Spider-Man and both his and his father's roles as the Green Goblin.