Consider the question. Thomas Francis Wilson Jr. (born April 15, 1959) is an American actor, writer, musician, painter, voice-over artist, comedian, and podcaster. He is known for his voice-over work in video games, movies and TV shows. He is also known for playing Biff Tannen, Griff Tannen and Buford "Mad Dog" Tannen in the Back to the Future trilogy, and Coach Ben Fredricks on NBC's Freaks and Geeks.

Answer this question based on the passage: who played biff in back to the future?
What is the step-by-step reasoning process to arrive at the answer: Thomas Francis Wilson Jr.?
This is the relevant information: He is also known for playing Biff Tannen, Griff Tannen and Buford "Mad Dog" Tannen in the Back to the Future trilogy, and Coach Ben Fredricks on NBC's Freaks and Geeks.