Some logos never make it online, such as those to the right, which were designed for printed materials. Character logos can distinguish you or what you do. The character at the left is PuterGuy, who writes a common-sense column on computer maintenance. Below are other examples of logos designed by Serenata. The price to print the same logo can be shocking.
Style is important.
The logo at the left is said to be the most well-recognized logo in the world. Years of advertising dollars have been applied to make it so. If you don't have the money for advertising to make your logo as well known, then a simpler, easily adaptable logo might be what you need. It will help establish a brand just for you. If you do not have a logo, perhaps the time has come to have one designed just for you.