Snowstorm, also identified as Snow Cat in certain media, is a Decepticon character within the *Transformers: Energon* continuity. His background varies across official media, leading to distinct interpretations. Originally conceptualized by Hasbro and Takara as an upgraded form for *Armada*'s Cyclonus, late production decisions redefined him as a separate character to expand the roster. This resulted in conflicting portrayals: some media depict him as Cyclonus's new body, while others establish him as a unique individual named Snowstorm or Snow Cat. The *Energon* animated series and Japanese materials presented the toy as Cyclonus, whereas Hasbro's official bios and the Simon Furman *Energon* comic identify him as Snowstorm. Snowstorm exhibits a maniacal and destructive personality, using chaos and violence as outlets for stress. He acts unpredictably, alarming allies and enemies with reckless tactics. Despite this, he displays unexpected calmness during skiing activities, which he enjoys in winter environments. As a warrior specializing in harsh terrains, he transforms into an all-terrain vehicle equipped with skis for snow and ice mobility. His combat style emphasizes brute force, leveraging missile launchers in both vehicle and robot modes. Within the Decepticon hierarchy, he serves under commanders like Scorponok and Megatron. In the *Energon* comic, he operated in Yukon, sabotaging Autobot Base Unit 1 to reroute Energon to Unicron. He captured Omnicons and attempted to brainwash them using a "Spark Rewriter" device. The Omnicons escaped through teamwork, detonating an underground gas pocket to incapacitate him, leading to his Autobot capture. Later, he participated in a failed Decepticon raid on Ocean City to steal Omega Supreme prototype data; his incompetence was exposed after colliding with scaffolding and blaming a nonexistent earthquake for the failure. An unpublished segment of the *Energon* comic would have shown his prior defeat indirectly aiding the Autobots, as the Omnicons' experience against him taught them collaborative tactics crucial for defeating the ghostly Starscream. In Dreamwave Productions' *Armada* comic continuity, he appeared as "Snow Cat" in Megatron's forces and was swiftly annihilated by Optimus Prime and Wing Saber's combined firepower during a battle. His physical design pays homage to the G.I. Joe "Snow Cat" vehicle, featuring a white and light-blue armored form with ski deployers. His toy includes spring-loaded missile launchers and a detailed cockpit but suffers from structural instability in vehicle mode due to poor friction joints. Ski poles depicted in animation were absent from the toy, though missiles could substitute them. A blue-and-black redeco was later released under the *Universe* (2003) line.