See The Cunctator.
My ten-year anniversary on Wikipedia is.. hm. Not quite sure. Was around in the CamelCase days. I contributed a little to the Nupedia project. I think my first Wikipedia edit was March 2001? Maybe July.
By July 26, I had edited/created the articles for Cybernetics, Marshall McLuhan, GNU/Linux, Ultimate, Philip K. Dick, Cyberpunk, Media studies, Bruce Sterling, Linux, Norbert Wiener...