Prime, as a show, sort of has a small cast as it stands now. While they can make a decent amount of molds from these characters, with some characters with no announced toys remaining, Hasbro may also create non-show characters to fill out the line. If they did so, what characters would you like to see made in the Prime toyline and aesthetic? What pops to mind first for me is Bludgeon, and maybe Drift. Also the Barricade and Prowl designs from the video game. They could proceed to make a Bluestreak and Smokescreen from Prowl.