With classic lines like "Make like a tree and get outta here," Biff is Back to the Future's dim-witted bully we can't get enough of. He spent three decades making George McFly's life difficult, etching that piercing "Hey, McFly!" into common pop culture vernacular. But like a true family-film villain, Biff always got what he deserved in the end. Ahh, victory is sweet.
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