
1) Fictional empire 2) Star trek alien 3) Star Trek baddie
Found on
https://www.crosswordclues.com/clue/romulan

The Romulans are a fictional extraterrestrial humanoid species in the science fiction franchise Star Trek. First appearing in the original Star Trek series in the 1966 episode `Balance of Terror`, they have since made appearances in all the main later Star Trek series: The Animated Series, The Next Generation, Deep Space Nine, Voyager, and Enter.....
Found on
http://en.wikipedia.org/wiki/Romulan
No exact match found.