I'm not sure if this has already been mentioned, but the second wave of Black Series toys have revealed a few new design details; the most interesting (to me at least) is the reveal of the red guys we saw running down the hallway in the Comic-Con BTS reel. They're apparently called: Guavian enforcers.
http://www.starwars7news.com/2015/09/star-wars-the-force-awakens-black-series-wave-2-spotted-on-ebay-first-look-at-tfa-6%E2%80%B3-tie-fighter-packaging.html
