. "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 large, rude, arrogant and violent bully who obtains what he wants by intimidating others into doing his work for him, or by cheating."@en . . "Biff Tannen"@en . . .