Halloween H20 Michael Myers MaskTrick or Treat Studios and Miramax Films are proud to present the Official Halloween H2O: Twenty Years Later Mask! This mask is an identical replica of the mask worn by Michael Myers in Miramax Films Halloween H2O: Twenty Years Later. The Official Halloween H2O: Twenty Years Later mask was sculpted by our Art Director, Justin Mabry, and was based on numerous screen shots to make it the most screen accurate mask ever released.