The "Jigsaw Killer" is a fictional character from the horror film series known as Saw. Created by filmmaker James Wan, the character is also referred to as John Kramer. He is notorious for capturing his victims and placing them in deadly traps, forcing them to confront their life choices and fight for survival.
Unlike typical murderers, the Jigsaw Killer believes in teaching his victims a lesson about the value of life. He often gives them a chance to escape by completing gruesome tasks, which he sees as a form of rehabilitation. The character has become iconic in the horror genre, symbolizing moral dilemmas and the consequences of one's actions.