Biff Tannen

:This page is about the Back to the Future character - for the rock band Biff Tannen see Biff Tannen (rock band).

Pre-Back to the Future

Although we have some vague details of Biff's life before 1955 (when we first meet him chronologically), exact details are not known. What is known is that he has been living with his grandma, Gertrude Tannen, at 1809 Mason Street for some time by November 1955. The whereabouts of his parents is not known, although some theories suggest that one of both of them might be dead or in prison. He also had to repeat a year of school (explaining why, despite being a year older than George and Lorraine, he is in the same year as them), although it is not known exactly when he was "kept behind" - this was probably some years prior to 1955, as Biff appears to have been bullying George for some time before this date.

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