City forensic scientist, Barry Allen. Part of Amar's psychosis is the inability to stop himself from blurting out his crimes. Because of these outbursts, he is quickly convicted and sentenced to death. It is soon discovered that Amar's blood is so abnormal that lethal injection can not kill him. While incarcerated in Iron Heights prison, Amar cuts out his own tongue and sews his mouth shut so he will no longer be able to incriminate himself. Wearing a thin mask of his own design, Amar becomes known as Murmur. While in prison, Murmur creates a virus that kills the guards and prisoners and escapes during the riots it causes. He then joins Blacksmith, who helps him with creating the virus, and her rogues. Afterwards, Murmur strikes out on his own. Murmur is one of the villains being controlled by the Top during the Rogue War story arc. In Infinite Crisis #1, Murmur is seen working in Gotham City with the Riddler, the Body Doubles and the Fisherman in a murderous attack on Gotham police officers. He is seen in issue #7 as one member of the Secret Society of Supervillains, participating in an attack on Metropolis. A superhero army stops the Society. Murmur has also teamed up with another Batman villain - Hush - in the Man-Bat miniseries, which takes place before the Infinite Crisis event. One year after the events of Infinite Crisis, Murmur has made only one full appearance in the DC Universe. In writer Gail Simone's Secret Six, he is one of the villains sent to retrieve the Get-Out-of-Hell-Free card from the team. The only other mention of the villain post-One Year Later is a framed front page newspaper of the Central City Citizen detailing Murmur's arrest and incarceration by police. It is seen on a wall of the Allen household in The Flash: Rebirth #1. Murmur in other media Murmur appears in Arrow, portrayed by Adrian Glynn McMorran. Introduced in the third season, this version was beaten by corrupt police officers and forced to confess to a crime he did not commit, for which he served time in Iron Heights Penitentiary and had his mouth sewn shut. Upon being released, he seeks revenge by stealing diamonds to create diamond-tipped bullets to pierce police officers' body armor, only to be foiled and subdued by Team Arrow. As of the fourth season, Murmur has been re-incarcerated and built