The Romulans are a fictional alien species from the Star Trek universe. They are known for their pointed ears, dark hair, and a distinctive green and black uniform. Romulans are descendants of the Vulcans, having separated from them due to ideological differences. They are often portrayed as secretive and cunning, valuing intelligence and strategy in their political and military endeavors. Romulans are part of the Romulan Star Empire, which is a major power in the Star Trek galaxy. Their society is characterized by a strong emphasis on loyalty and honor, often leading to complex relationships with other species, including the Federation. The Romulan Warbird is a notable starship design used by their military forces.