Murmur

Murmur is a supervillain in the DC Comics universe. He is one of the new Rogues to threaten the Flash, first appearing in the prestige format one-shot The Flash: Iron Heights (2001). Dr. Michael Amar, a once respected surgeon, succumbed to madness and started a killing spree to stop the voices inside his head. This spree went through Central and Keystone City and caught the eye of police officers Fred Chyre and Joe Jackam. They later tracked Amar down with the help from Central 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...