For as long as humans have been around, body art has been a form of self-expression. Over the years, tattoos have become more and more intricate and beautiful, and one of the most popular styles of tattoos today is traditional filler tattoos. Popularized in the early 2000s, filler tattoos are a type of body art that uses a variety of traditional tattooing techniques to create eye-catching designs. Here's a look at traditional filler tattoos and everything you need to know about them.