Ichabod Crane
Ichabod Crane is the main character of The Legend of Sleep Hollow, the famed short story by writer Washington Irving. Even though many people believe that he was a real person, he is only a fictional character in the story. In the 1999 Tim Burton film adaptation, Johnny Depp portrayed Crane.
Lonelygirl15
Lonelygirl15 was the name of a popular YouTube channel that featured videos that documented the life of 15 year old Bree. Fans were pretty unhappy when they realized that Bree was a fictional character being played by 19 year old actress Jessica Rose. Later, the series was expanded and continued for 3 seasons.