- I look like a weapon if you know how to handle me (Edit) - I am most popular than any other - People use me often when they want to be informal - Dirty minds see something lascivious in me - I am loved by road trippers - Some isolated people in the world have never seen me - I am man-made and when I am with my friends I can enlighten you - I have trillions of twins, but they are mostly fraternal twins - I am indivisible but I can become something else if you mutilate me (edit) - I am often the beginning of the end, but I am not the apocalypse - My grandgrandfather spirit is hidden in multiple things, like trees **What am I?**