Published January 2004. Grimlock: judge, jury. and executioner! Issue Details. Characters Jazz, Cliff Jumper, Prowl, Trypticon, Side Swipe, Skids, Gears, Snarl, Slag, Sludge, Swoop, Grimlock, Jet Fire, Shock Wave, Mind Wipe, Bugly, Bludgeon, Trail Breaker, Hound, Blue Streak, The Fallen.