Answer:
I bring light to a dark world. In a current I travel and through tunnels I am hurled. Touch me and I'll kill you. What am I?
I am known for my natural tuxedo and marching
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
What do you get when you mix lemons with gun powder?
I go in dry and come out wet. The longer I stay in the stronger my surroundings get.
I will disappear every time you say my name.