Duck

THIS ISNT IN THE GAME THIS IS SPECULATION "oh look at the cute du *explosion* - beginners"

Description
The Duck is the first and only mob that will not be available to the general public. You have to buy the Supporters Pass to use this. It uses its cute appearance to delude the players into thinking it's just an everyday duck; meanwhile its inner nuclear circuits are overheating. If it comes in contact with a survivor, it will result in a huge explosion. The Duck is considered to joker class of the game.

Controls
Left mouse click : Quack

Humanoid Touch : Explode

Pros

 * Creates a huge explosion radius.
 * Instantly kills anyone without blast resistance or additional health.
 * Small and friendly-feature target.
 * Can easily hide within maps.
 * Able to fit through small cracks in maps, like the rock wall in Caved In, due to its size.
 * New players may not classify it as a threat.

Cons

 * Slow speed.
 * Can't damage survivor without dying.
 * Does not explode if killed. Has to be in contact with a survivor.
 * Can only be used once each game