Powers: Boomslang is an expert thrower and skilled martial artist. He uses snake-shaped sickles called "serpent-rangs."
Bio: An Australian criminal, Boomslang aided Viper in her mission to take over the Serpent Society. After Viper's abandonment, Boomslang continued to work with the organization. While spying on Diamondback, he was shot by a gang of thugs. He was rushed to the hospital by Captain America, and later seen in full health, though he has not worked with the Serpent Society since.