This Michael Myers figure is released by Funko in their POP! Horror Movies x Halloween vinyl figure series.
Funko POP! is a crossover vinyl figure series by Funko and other famous franchises such as Disney, Pixar, DC Comics, Marvel Comics, Star Wars, Simpsons, South Park, Uglydoll, etc. Each POP! figure is about ~3" to ~5" tall and crafted in a Japanese anime/manga super-deformed style (NOTE: due to the unique design of each character, the actual size of the figures may be smaller or bigger than stated).
The Funko POP! Horror Movie series features characters from Hollywood's all times favorite horror movies such as Freddy Krueger, Jason Woorhees, Michael Myers, Leatherface, etc.