<p style="margin: 0px;">Trekker or Trekkie... Both terms are acceptable to most die hard Star Trek fans but in general Trekker is thought of as more serious... </p><p style="margin: 0px;"> </p><p style="margin: 0px;">Here's excerpt from Wikipedia...</p><p style="margin: 0px;"> </p><p style="margin: 0px;">In the 1991 TV show <i>Star Trek: 25th Anniversary Special</i>, <a title="Leonard Nimoy" href="/wiki/Leonard_Nimoy" target=_blank>Leonard Nimoy</a> attempted to settle the issue by stating that the term 'Trekker' is a more preferred term; during an appearance on <i>Saturday Night Live</i> to promote the <a title="Star Trek (film)" href="/wiki/Star_Trek_(film)" target=_blank>2009 <i>Star Trek</i> film</a>, Nimoy—seeking to assure <a title="Chris Pine" href="/wiki/Chris_Pine" target=_blank>Chris Pine</a> and <a title="Zachary Quinto" href="/wiki/Zachary_Quinto" target=_blank>Zachary Quinto</a>, the "new" Kirk and Spock, that most fans would embrace them—initially referred to "Trekkies" before correcting himself and saying "Trekkers", emphasizing the second syllable.<sup id="cite_ref-snls34e22_42-0" class="reference"><a href="#cite_note-snls34e22-42" target=_blank><font size="2"><span>[</span>43<span>]</span></font></a></sup> In the documentary <i><a title="Trekkies (film)" href="/wiki/Trekkies_(film)" target=_blank>Trekkies</a></i>, <a title="Kate Mulgrew" href="/wiki/Kate_Mulgrew" target=_blank>Kate Mulgrew</a> stated that Trekkers are the ones "walking with us" while the Trekkies are the ones content to simply sit and watch Star Trek. </p>