When my son was five-years-old, he came back from his grandmother's convinced that Spider-Man villain Green Goblin was actually called Knob Goblin. It was pretty funny, but I had to correct him ...

Then there’s the time Holland and Dafoe were in the midst of a fight, and Dafoe let out one of the Green Goblin’s most blood-curdling screams, terrifying everyone on set. Watch the moment below.