List of characters (so far):

Supergirl - created by Otto Binder & Al Plastino
Mon-El - Created by Robert Bernstein & George Papp
Imperiex - created by Jeph Loeb e Ian Churchill
Lobo - Roger Slifer and Keith Giffen
Vanya-Van-Lor - Created by M.A. Archer
Devan-Ar - Created by M.A. Archer