The origin of tattoo machine. The early tattoo machine was called tattoo, because it was a manual monochrome operation at that time, and most of the patterns were cyan after the color was restored. Therefore, it was called tattoo, because Sam O'Reilly invented the electric tattoo machine in 1892. Since then, modern tattoos have entered a rapid development, with only a slight pain, and its speed is fast. Simple tattoos can be done in a few minutes.