Here's a breakdown:
* Michael Myers is the villain in the *Halloween* franchise. There have been 13 *Halloween* movies released so far.
* Different actors have played Michael Myers in those movies. Some of the most notable actors who have played the role include:
* Nick Castle: Played Michael in the original *Halloween* (1978) and also appeared in *Halloween (2018)* and *Halloween Kills* (2021).
* Tony Moran: Played Michael in *Halloween II* (1981).
* George P. Wilbur: Played Michael in *Halloween 4: The Return of Michael Myers* (1988) and *Halloween 6: The Curse of Michael Myers* (1995).
* Tyler Mane: Played Michael in *Halloween H20: 20 Years Later* (1998) and *Halloween: Resurrection* (2002).
* Rob Zombie: Directed the *Halloween* remake (2007) and *Halloween II* (2009) and cast his actor, Tyler Mane, in the role of Michael.
So, while Michael Myers "plays" in 13 movies, he doesn't play himself, but rather is portrayed by different actors.