Barber

 is a Tier 5 Tank that upgrades from Planter, Blazer and Furnace at level 60.

Design
The looks somewhat similar to the Planter, but its barrel assembly is a bit shorter overall. Its tip barrel is a bit thicker and its base barrel tapers a lot more, almost matching the tapering angle of the tip.

Technical
Since Blazer is a "Blaster Trapper", it is assumed that the is a Blaster Builder.