The Omega Gang are a terrorist group, founded by the rogue Kid Omega and antagonistic faction in the Marvel comics. They were once students of Charles Xavier and aspiring X-Men but betrayed their own team and opted for a violent, anti-human philosophy not dissimilar to Fascism: with the increasingly destable Kid Omega fuelling a potential race war.
The Omega Gang (also known as the Omega Muties) were a group of mutant outcasts, led by the mutant Callisto. The Omegas' base was an underground network in the United States.
Known members included Callisto, Quill, Arclight, and Psylocke. However, it is possible that there were many more, such as Lizard Man, Spike, Phat, and Glob Herman. The Omegas greatly disliked humans, who had made them outcasts.
After the mutant cure was created, the Omega Muties allied themselves with The Brotherhood of Mutants. All known Omegas were seemingly killed on Alcatraz Island, Callisto was killed by Storm and the rest were killed by The Phoenix's disintegration wave.