Jigsaw (Marvel Cinematic Universe)

"Me and You, Frankie... We're the same."

- Billy to Frank during the final showdown "If you beat a dog long enough, it goes crazy. Doesn't matter how good it was before. After that happens, the dog that you knew is never coming back."

- Jigsaw to Dinah

William "Billy" Russo is one of the two main antagonists, along with Agent Orange, of the first season of 2017 Netflix series ''Marvel's The Punisher. ''He is the series' adaptation of the comics supervillain Jigsaw.

Russo was the best friend and squad mate of Frank Castle during their time in the U.S. Special Forces. He also leads Anvil, a private military contractor in New York City. Despite their friendship, Billy would be revealed to have betrayed Frank to his boss Agent Orange during an operation overseas called Cerberus which results in Frank not only losing his family but also setting him on the path to become the vigilante known as Punisher. By doing so, he becomes one of Castle’s main targets. Russo also sets out to kill Castle before Castle can do the same to him.

He is portrayed by Ben Barnes who also portrayed Dorian Gray.

Origins
Russo had a difficult childhood in New York City. Growing up, he was very poor. His mother was a meth addict who emotionally neglected her children.

Later, he was put in foster care and lived in a group home. Russo was also a victim of attempted child molestation; luckily, he was able to defend himself, but not without being severely injured by the perpetrator.

Billy became a lieutenant in the U.S. Special Forces and befriended Frank Castle. During one mission, Russo and Castle became trapped in house in Basra and saved each other's lives multiple times.

Russo and Castle joined several other soldiers for a briefing by Agent Orange, who explained they would helping to end the war, as Major Ray Schoonover explained they had joined Operation Cerberus, although Russo continued joking.

To be added

Marvel's The Punisher
Cornered by Frank Castle at the carousel where Frank’s family was killed a plot Billy, who had been Frank’s closest friend in the military, knew about the suave former special-ops soldier pleads for Frank to kill him, only to be denied an easy way out. Instead, Frank smashes Billy’s face into a mirror, scraping it against shards that slice his face apart, leaving him alive but mangled beyond recognition.

Personality
Billy is an arrogant, confident and intelligent man. Whilst in Afghanistan, he befriended and betrayed Frank Castle to Agent Orange for his own good. He is nicknamed "The Beaut" for his good looks.

Trivia

 * In the comics, Billy Russo was a ruthless gangster nicknamed "The Beaut" for his good looks whose face was horrifically disfigured in a run-in with the Punisher and henceforth went by the alias of Jigsaw.