There are well over 300 different alien races to grace the Star Trek universe, a list that has grown with every new iteration into the franchise. From the straight-talking Klingons and their battle lust, to the logic-driven favorites the Vulcans, as well as their counterparts the Romulans, each race has intricacies and nuances that bring them to life. However, there is one major problem that holds all of them back.