Not really, or at least not using some abbreviation thereof.  Just going off &#x2F;leaders, look at tptacek, jaquesm, ColinWright, jgrahamc, ChuckMcM, jrockway, cperciva, DanielRibeiro, DanielBMarkham, steveklabnik, and mikeash.<p>A number of us have screen names because much of the early population of HN came from Reddit, which is almost all pseudonymous (the founders started off with pseudonyms).