Dr. Anton Decibel was a doctor who performed illegal experiements in sonics and bionic modifications on people, including Linda Lewis, who became Lady Lark. Like the other members of the Institute of Evil, Decibel was behavior modified by the Squadron and became a responsible and caring doctor working at the Squadron’s own medical facilities. While caring for the comatose Quagmire, Dr. Decibel was caught in the manifestation of Quagmire’s darkforce muck, which engulfed the hospital and caused Dr. Decibel to drown.