Again check the wiki, his Chest Plate (not t-shirt... sheeesh) has some hebrew characters on it:
???????? ????? ?? ????? ????
(well that teaches me to make hebrew text yokez in this forum, should have looked like this: http://translate.google.com/?hl=en&tab=wT#en|iw|Empire's%20Official%20Tonsils%20Checker)
Empire's Official Tonsil Checker
http://www.theforce.net/swtc/Pix/Xsydney/costumes/Pc220044.jpg