alienrace The Na'vi in "Avatar," for one Romulans or Klingons Long-distance callers? Klingons, Wookiees, or Martians Klingons, for one Klingons or Romulans Klingons or Na'vi Andorians or Tholians, on "Star Trek" for a xenophobic couch potato? Vulcans, e.g. Time Lords, e.g. Klingons, e.g Vulcans, e.g Klingons or Vulcans, e.g Wookiees or Ewoks Vulcans, for one Time Lords, e.g