During its run, writer Roger Slifer and artist Keith Giffen created the mercenary anti-hero Lobo.

Later creators included writers Doug Moench and Todd Klein (who also lettered later issues in the run), artists Tod Smith, Shawn McManus and Alex Niño, and inkers Mike DeCarlo, Jim McDermott and Greg Theakston.

[2] In 2006 they had their own six issue limited series with Tigorr, Doc, Elu, Broot and Ryand'r - written by Andersen Gabrych and art by Henry Flint.

The Omega Men were assembled as a group of renegades and representatives of conquered Vegan worlds to fight Citadelian aggression.

The Omega Men are important peacekeepers in their sector because the Green Lantern Corps is not allowed into Vegan space, due to a long-standing agreement with the Psions.

A vision by one of their new members, a precog, results in them waiting in a Rannian space station for some time; their ultimate purpose to meet Adam Strange.

Due to the power and influence over thousands of worlds, the Citadel has framed the Omega Men as terrorists and murderers.

The reach of the Citadel even ascends to Earth: after making contact with the US Military, to broker a deal to sell them metal from the Vega Star System, the US Government secretly sends Kyle Rayner to broker a deal with the Citadel at the start of the twelve issue series.

The move clears the Omega Men's good name but fails to stop the Citadel's activities in the Vega Star System.