Franklin

Franklin is a man who wears a purple suit, and fights with a revolver and a grenade launcher. The former inflicts between 65 damage, and so can kill all (unarmored) classes besides Spray N Pray in just two shots, but has a comparatively slow rate of fire. A Rapid Fire passive can be quite helpful for this class.

The Grenade Launcher is no different to the one used by Triggerman and Vince: 5 ammo capacity and can inflict 110 damage with a direct hit, but the explosion's splash rapidly loses power, and the grenade itself is an unreliable weapon, due to how rapidly it bounces off of walls; a skilled player can carefully curve it around a corner and kill one or even multiple players. Someone less skilled or plain unlucky can easily end up with it bouncing backwards and killing only themselves

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Trivia

 * This class is based on the Detective in Karnage's direct predecessor, the 2D top-down shooter vertix.io. In that game, he wore a brown coat, and used a similarly powerful Deagle as his primary weapon, and a Grenade Launcher for his secondary weapon. The Deagle had 6 ammo, and the Grenade Launcher just 1, because Vertix doesn't have ammo pick-ups, and instead allows its players to reload indefinitely often.
 * The Detective reappeared in the second Vertix "sequel", the 3D FPS krunker.io. There, he looks much like he did in Vertix, with a similar brown clothing. However, his only weapon is a revolver with 6 shots, though he retains infinite reloads. Like any class in Krunker, he has automatic regenerating health as well. After an update, he had also gained a melee option with a knife, just like every other class in the game.