Illna
this was one of the original names used to describe the character Tzizvvt, during post-production on Star Wars: Episode IV - A New Hope. (OWS)

Imperial Cybernetics Corporation
according to the original Revell model kits, this was the corporation that manufactured both R2-D2 and C-3PO. (REV)

Imperial Legions of Alderaan
in the second screenplay drafy of Star Wars: A New Hope, the Imperial Legions of Alderaan were the armies of the Empire seeking to overthrow the Republica Galactica. (2D)

Imperial Shocktroopers
this was the name given to the military unit from which Boba Fett got his armor, according to issue number 5 of the Star Wars fan club publication Bantha Tracks. According to the newsletter, the Imperial Shocktroopers were "warriors from an olden time. Shocktroopers came from the far side of the galaxy and there aren't many of them left. They were wiped out by the Jedi Knights during the Clone Wars." (BTRKS)

Imperial-class Star Destroyer
according to Star Wars Chronicles, the models of the Imperial-class Star Destroyer were based on a 1/350 scale. This would mean that these craft would have measured just 320 meters in length, compared to the 1,600 meters denoted in the West End Games role-playing statistics. (CHRN)

Itchy
Chewbacca's father, Itchy is an old, grey-haired Wookiee who looks after Chewie's family on Kashyyyk when he's off on adventures. (SWH)