Saw

The main antagonist in the Saw movies is John Kramer, also known as Jigsaw.

The main concept of the Saw movies revolves around Jigsaw's moral philosophy where he puts his victims in deadly traps to test their will to live and make them appreciate life.

Jigsaw selects his victims based on their perceived flaws or moral failings which he believes can be corrected through his twisted methods.

Jigsaw offers his victims a choice to undergo life-threatening challenges and make difficult decisions in order to survive.

Jigsaw does not directly kill his victims. Instead, he puts them in elaborate traps where they have to make life-and-death choices.

Jigsaw communicates with his victims through recorded messages, videos, and sometimes face-to-face interactions during their tests.

Jigsaw believes that by putting individuals through extreme physical and psychological challenges, he can make them appreciate their lives and learn from their mistakes.

Jigsaw is often perceived as a vigilante by some and a criminal mastermind by others, as his motives blur the line between justice and sadistic punishment.

The signature item associated with Jigsaw's traps is a mechanical reverse bear trap which is used in several of his deadly games.

As of 2021, there are nine movies in the Saw franchise, with more potentially in development.