Tattoos are one of the most extreme signs of rebellion. You would think that pushing ink permanently into your skin would be the end of the story, but you would be mistaken. There is a new level to tattooing these days: tattooing your eyeball itself. Many tattooers are afraid of tattooing the eyeball, but there are some artists who are willing to do this. Before running out and getting your eyeballs tattooed, research your artist and ask them if they are comfortable doing this. Check out these 15 insane eyeball tattoos.