An emotionless marauder whose single-minded purpose is to destroy the Autobots. Incapable of fear. Paired with Nightstick, a Nebulan master criminal who doubles as a blinding, corroding black-beam gun. In space jet mode, has nuclear-powered turbine engines that allow him to cruise at Mach 2 in suborbital altitiudes and achieve escape velocity for interstellar space travel.
Cyclonus appeared in the following 24 comic books: