I didn't know that there was a name for it, but we have all seen those teeny tiny logos on the address bar showing you which site you're on. Look up at your address bar right now... do you see this?
That's my Favicon. I'm so excited to have learned how to do this, and it was so easy! I followed Scootchidoo Too's Favicon tutorial here. My Favicon will also show up in your list of bookmarks if you bookmark my blog (hint, hint!).
Now go and make one for your blog!