Billy Loomis/Stu, otherwise known as Ghostface, is the primary antagonist of the iconic horror movie franchise, scream, and as a guest fighter in Mortal Kombat 1. Known for his iconic mask and costume, as well as his Buck 120, his knife of choice, he is a psychotic, sadistic serial killer that kills purely for the love of the game. He calls his victims with a voice changer and mentally breaks them before going in for the kill. While there are multiple people under the mask for Ghostface. Billy and Stu are the most iconic in the series.

Here is a link for reference: https://youtu.be/E6fqdDYe3gw?si=nmdaL6p9C8dimpfA