Tattoo arm easily the most popular type of tattoo. There are an unlimited number of designs that someone may choose a tattoo on his arm. One of the reasons that led to his arm tattoo has become very popular in today's culture because the arm is usually considered as a region of the body that is not all that painful tattoo. Arm also gives the artist a great deal of space to work with, and that can make it very easy to fit a number of different designs on the arm, especially on the shoulder. If you are considering a tattoo on his arm, but were not sure what some of the most common designs are the arm tattoo, you may want to consider one of these types of tattoos.