Adarian Adarians were a species of bipedal humanoids from the planet Adari in the Inner Rim of the galaxy ; although Adari was not believed to be their original homeworld . Biology and appearance . A humanoid species of mammalians , the Adarians had elongated skulls made distinct by the large hole which penetrated it . Lacking ears and noses , their skulls were covered in fine hairs which were very sensitive to sound waves , and their skin was underlaid by glands that allowed them to detect odors . Sharp , bony ridges around their mouths substituted for lips seen in other species . The Adarians had distendable throat pouches ; elongating them to emit a loud subsonic call which helped in communication over long distances , reaching over 20 kilometers . Society and culture . Adarian society was based around a rigid caste system known as screel ' sara . Their governmental headquarters was the Hall of Decisions from which the upper tier of society had absolute control over those in lower classes . Operating a corporation - like government , the Adarians boasted that their society had never suffered from civil strife . They had unique , advanced carbon - ice drive technology which they developed before contact with the Galactic Republic . Their native language was Adarese , a written and spoken language ; speaking Galactic Basic Standard was difficult for the lipless species and was spoken with a heavy accent . Adarian naming conventions included a first name and a family name ; some examples included Ador Beldune , Denka Melru , Luur Tenefor and Yeeru Meekel . History . Discovered circa 25 , 000 BBY , the Adarians swiftly became a member state of the Galactic Republic . Remaining loyal to the Republic through the Clone Wars , the planet bought neutrality during the Galactic Civil War by supplying the Galactic Empire with extensive resources and retained a seat in the Imperial Senate . Located in relative proximity to Dantooine , Adarians welcomed outcast Jedi and Rebel Alliance troops earning Adari the reputation of being a " refuge planet " . Staying out of galactic affairs , the planet was annexed by Grand Admiral Thrawn during his campaigns against the New Republic . When the Imperial Remnant was finally driven from the core , the Adarians joined the Republic , only to be cut off with the invasion by the Yuuzhan Vong in 26 ABY . When the Republic retook Coruscant and reorganized into the Galactic Alliance , the Adarians quickly joined . Remaining neutral in future wars , the species ' homeworld was a member of Darth Krayt ' s Galactic Empire as of 137 ABY . Adarian in the galaxy . Most Adarians active in the galaxy are scouts under the employ of mining corporations or the Adari government , searching for mineral rich planets or moons to exploit . While the higher class have no need to leave the world , some lower class individuals will abandon their homeworld in search of a better existence . Seeing work as smugglers and joining criminal organizations , the Adari also found work in more prestigious positions . One Adarian served as a junior officer in the Republic Military at the Battle of Sebaddon during the Cold War . Behind the scenes . A member of this species was meant to appear in Jabba ' s Palace in " " but was cut from the finished film . The species was designed and sculpted from the chest up , and was nicknamed " Hole in the Head " . The species was first seen in " The Last Command " comic after being identified by the " " .