Marty McFly Jr Jr

Marty McFly Jr Jr is the son of Marty McFly Jr and Eartha Tannen-McFly, the grandson of Marty McFly Sr and Jennifer Parker and the great-grandson of George McFly and Lorraine Baines-McFly in the alternate timeline where Biff ruled Hill Valley. He appears in Beverlyjones's Back to the Future dream on the night of Wednesday 19th January 2022.

Role
In Beverlyjones's dream, he told Beverlyjones what went on with his family since Biff Tannen's death in 1996, one of them being that Lorraine is widowed.