Zamboni

 is a Tier 5 Tank that upgrades from Fume and Rifle at level 60.

Design
The has a Rifle in the front with a Chiller icon on its base, and the same small rear barrels as Fume.

Technical
The sacrifices its bullets flare-trails for the Chill ability. Its front bullets have Rifle-like stats giving them decent reload and speed but a bit less damage. Its rear barrel also gains the chill ability, placing stationary flares that can freeze enemies.

Trivia

 * Strangely, this tank does not branch from Chiller despite prominently featuring a chill ability.