A study says, almost a third of tribal tattoos are account for almost a third of all tattoos. It is possible that tribal tattoos came into existence with the invention of fire. Most of these tattoos have a purpose. They tell the clan or the tribe of the wearer. A lot of the tribal tattoos are religious in nature, which are worn to protect the wearer from the evil spirits and some tattoos are believed to grant him/her good luck in hunting.