Trombus is a planet home to the Trombusans people known for being technologically advanced weapons manufacturers.
The Master Jailer was guard at Fort Rozz hailed from the planet Trombus. He masqueraded as a National City police detective Carl Draper, while hunting down and killing the Fort Rozz escapees who were disguising themselves as Earthlings. He made use of advanced alien technology, including an armored suit that made him a match for Supergirl physically.
- Trombus was first featured in Superboy #144 (January, 1968) created by Otto Binder and George Papp. In the DC universe, it is the home to the Hyper-Family, a group of humanoid aliens with Kryptonian like abilities which they gained under a "red sun". The Hyper-Family are the only survivors of a nameless world.