The "Gearbox Friend" emblem is a promotional character emblem given out February 16th 2013, in honor of Gearbox Software's Anniversary
Emblem features two closed fists doing a "Bro Fist", with the Gearbox Software logo on top, and underneath it says "Friends of Gearbox"
These are the Shift Codes used to redeem the emblem: (Valid through February 23rd, 2013):
PC: XTCTT-JWZ6K-WSCSB-TJ3TB-65SZB
PS3: FJKJJ-XXX5K-WKBB5-93C3B-B3B9Z
Xbox: FTCBJ-3SKK6-WBRB9-KRTB3-5BBTJ
For instructions on redeeming the Shift Codes, see:
Aliens Colonial Marines: Redeeming Shift Codes
For a list of any other available Shift Codes, see: