 The characters Tarn and Selix, who first appear in "Kobols Last  Gleaming, Part 2", were named at the behest of  Aaron Douglas (I) (qv), who plays Chief Petty Officer Tyrol.  Douglas noted that the two were originally listed in the script  generically (Technician 1 and 2) and, recognizing the potential of  the two characters, consulted with others in the cast to give them  proper names. Douglas then inserted their new names into his lines  on every take.