Coldsnap generates and controls temperatures very cold, at the beginning he used muñequeras that helped to increase his powers, but that all finished when he was transformed into an ice monster.
Alex Barros acquired his powers, when he and their brother Marc Barros, accompanied to his father Bernard Barros, a marine biologist, in search of the submarine city Neuport.
When finding the city the submarine in which traveled was attacked by Worlok. The crew were saved by Roman and acquired the ability to breathe under the water. Although Alex and Marc received other powers as well becoming Coldsnap and Seahawk.
Thinking their had father died when helping Roman against Worlok, they returned to the surface and inherited an enormous fortune. Shortly Battlestone approached them and they financed the team Brigade.
In the fight with Bloodstrike, Shogun damage the regulators that controlled Coldsnap's powers; Unable to control his powers, Alex was overwhelmed by them and became an ice monster.
Unable to reverse the process, Coldsnap has changed physically and mentally, becoming very unstable and vindictive but it is still an important element in Brigade.
Coldsnap died when Crypt attacked Brigade. Coldsnap was trying to take revenge for Rebecca Hailey, aka Thermal, the woman whom he loved, who was killed by Crypt.
