Your personal brand is what others think about you. With the increase in social networking sites, avatars (those little images that visually identify online profiles) play a role in recognition.
A recent post by Andy Beard, How To Find The Digg Friends You Never Knew You Had, showed me I’m not using avatars as best I can. The crux is to be consistent.
I’ve been using part of my logo in my Digg avatar (above), yet for social sites (MyBlogLog, BlogCatalog, etc.) I’ve been showing a photo. Not ideal, so the avatar below is now on all profiles.
If you show your photo, use the same one everywhere. Likewise if you show your logo, and make it easy to remember. The key to using a mark or icon is to keep the detail to a minimum and use a good level of contrast. You don’t want people screwing their eyes, trying to make out what your avatar actually is.
Andy uses his avatar to good effect.
It’s his personal logo, easy to remember, and importantly, it’s consistent.