The Penguin.  A flightless bird, the logo to the worlds best and only real OS, and now...an annoying large html picture.  

http://www.fortunecity.com/westwood/sculpture/846/penguin/penguin.html

Note: This pic was stolen off another site and the webmaster of this one did not get any permission whatsoever.  If you do have a licence to da bird, tell me and I'll take it down.