SWTOR Free M8-3R Droid for Star Wars Celebration
Bioware is giving out a M8-3R Astromech Droid pet for Star Wars Celebration.
To redeem the pet, go to here and type in the code SWCELEBRATION17. You will get this pet in the mail on every character (may need to exit and relaunch the game first) and every new character you create.
Edit: You will get this pet in your ingame mail on Tuesday, April 18.