Okay, how about one that's actually possible?
Hexakimbo!
6 guns: 3 in each hand, they shoot in a wave-like pattern, with the ones at the outsides firing first, then the ones in the middle, then the ones on the inside. They're green.
Antikimbo!
-2 guns: they shoot bullets that appear backwards, the recoil makes your arms go downwards, the guns are backwards, the left gun fires first, and they're negatively colored.