Ichabod Crane
Ichabod Crane is the protagonist of The Legend of Sleepy Hollow short story by Washington Irving. While a lot of people think that he really existed, he is merely a fictional character. Johnny Depp played crane in the 1999 Tim Burton film adaptation.
Lonelygirl15
Lonelygirl15 was the name of a popular YouTube channel that seemed to document the everyday life of 15 year old Bree. However, it turned out that Bree was a fictional character portrayed by 19 year old actress Jessica Rose. Fans were not very pleased to hear about that.