Over time, fans have seen Tobin Bell's Jigsaw prove humanity will mostly find a way to let its sinister urges guide it down the wrong path. It's the crux of the Saw franchise that James Wan started. Since 2004, Jigsaw has left fans in squeamish positions with his bloody, gory games as he shed his skin as John Kramer. He lost his humanity over time, becoming obsessed with teaching a slew of fiends various lessons on second chances.
Source：https://www.cbr.com/saw-x-connection/
