Michael "Mike" Wheeler, is a fictional character from the Netflix science fiction horror series Stranger Things. He is one of the central characters in the series, acting as the leader of the main group of kids. Mike is portplayed by Finn Wolfhard.
Vote which fictional character would naturally fit in-universe with a big-named franchise! No time-travel, no interdimensional crap, no "Pooh's Adventures", they would just exist in-universe.