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* DumbassNoMore: In 2015, [[OlderAndWiser as an old man]], Biff is not stupid at all. He's competent enough to use the time machine to get himself rich (although it backfires), properly use the "make like a tree" pun, and recognize just how much of losers both his own family and the [=McFlys=] are; stuff his 1955 self couldn't even conceive.
