You can portray yourself in avatar form on any Web site that lets you set an avatar or photo for use with a profile, like Facebook, Digg, Flickr, and so on. And, of course, you can use your avatar on your own blog.

Here are a few resources to use to create an avatar:

  • Zwinky is a fun Web site that lets you a build cartoon version of yourself, customizing everything from skin tone to hairstyle to clothing accessories.

  • Meez offers a fun interface with lots of customization to help you build a virtual you. Use the Meezmaker to pick skin color, hair color, clothes, jewelry, even the right environment.

  • Another site you can check out is associated with the release of The Simpsons Movie. At simpsonizeme.com, you can replicate yourself as a Simpsons character, right down to Moe’s hair and Homer’s nose.

If those sites don't offer what you’re looking for, try searching for “free avatarusing your favorite search engine.