Multiple luchadors have used the name Omega, frequently in IWRG.
- Oficial Spartan was Omega from 2002-2004
- a new Omega debuted as a upcoming tecnico team with Alfa.
- an Omega fights in Guadalajara indy shows, with at least one appearance in Arena Coliseo Guadalajara
- an Omega fights in the La Laguna area (and maybe Monterrey?)
- an Omega (San Luis Potosí) fights in San Luis Potosí