Anyone know what the GT font is called? (not the GameTrailers.com font, but the 2 letters GT)

Simply Mono  Suggested by tophy52 

With only 2 letters so square,
try anything that matches your work
http://www.dafont.com/theme.php?cat=301&nb_ppp=50&af=on&text=GT


(The other is Serpentine)