Buford Tannen is a fictional character from the Back to the Future film series, specifically appearing in the third installment, Back to the Future Part III. He is portrayed as a notorious outlaw in the Old West, known for his aggressive demeanor and quick temper. Buford is the ancestor of Biff Tannen, a recurring antagonist throughout the series. In the film, Buford is involved in a conflict with Marty McFly, who travels back in time to the year 1885. Buford's character embodies the archetype of a classic Western villain, often challenging the protagonist to duels and showcasing the lawlessness of the era. His actions ultimately lead to a dramatic showdown that highlights themes of courage and justice.