John "Scottie" Ferguson is a fictional character from the 1958 film Vertigo, directed by Alfred Hitchcock. He is portrayed by actor James Stewart and is a former police detective who develops acrophobia after a traumatic incident. The film explores his obsession with a woman named Madeleine Elster, leading him into a complex psychological journey. Scottie's character is known for his deep emotional struggles and the themes of identity and obsession that surround him. His experiences reflect the film's exploration of love, loss, and the impact of trauma, making him a significant figure in cinematic history.