Omega used to be part of an evil organization called the Syndicate.he was a Syndicate striker-Hussar class(red=highest of said class)when the leader had experimented on him with the Daoden Crysalis which was a success.due to this he was able to learn the fighting styles of every Syndicate red class troops but due to this quite a few moves arnt as powerful as they would be if it were the correct class.but after the destruction of the hidden compound and the death of there leader Omega still lives his crimes but to a lesser degree.he was also a very good marksman as well always favering the SML3 Plasma Rifle and Van de Graaff (VDG) pistol.