Quite possibly the smallest weapon on this list, the Noisy Cricket could also be the most powerful. Will Smith's Agent J is reluctant to take the firearm at first, but the terrified reaction of Tommy Lee Jones' Agent K when it was pointed directly at him was a neat bit of foreshadowing, with the Noisy Cricket sticking to the old adage that size doesn't matter. To say that the weapon has a surprising amount of recoil for one so small would be an understatement, as J is sent flying backwards through the air every time he uses the weapon, including a painful butt-first collision with a car windshield. The Noisy Cricket is also capable of causing massive destruction thanks to the huge energy blast released every time someone is brave enough to pull the trigger.