 biff howard tannen is a fictional character in the back to the future trilogy. thomas f. wilson plays biff in all three films as well as the universal studios ride, and voiced the character in the animated series. biff is a tall, arrogant, violent bully who obtains what he wants by intimidating others into doing his work for him, or by cheating. he and his family members have a tendency to misuse idioms in a way that makes them appear foolish and comical despite their intention to insult or intimidate. ==character biography== ===early life=== in all of the timelines depicted in the films, biff was born on march 26, 1937, in hill valley, california. he is the great-grandson of buford "mad dog" tannen, son of kid tannen, and the grandfather of griff tannen (although it isn't specified in the movie that griff's last name was actually tannen, griff did call biff "grampa", after which biff confirms it to marty). rather than studying in high school, he prefers to bully george mcfly into doing his homework for him while he drinks and hangs out with his friends. biff is feared by most of his schoolmates. he is less brave when he is without his gang (match, skinhead, and 3-d). he also has a crush on lorraine baines and constantly refers to her as "my girl." lorraine does not return the sentiments. by 1985, biff's marital status is unknown â no mention of a wife or children was ever made in the trilogy,the first draft mentions biff having a daughter. although biff has a teenage grandson griff by 2015, suggesting that biff had at least one child by 1985. the animated series reveals that biff has a son, biff, jr. (who, according to an early script for back to the future part ii, owns the cafe 80's), although this may not be canon. a draft script reveals that his middle initial is "h" for "howard", althou
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