Batman; Legion of Super-Heroes [Chameleon Boy; Colossal Boy; Cosmic Boy; Duo Damsel; Element Lad; Princess Projectra; Shadow Lass; Shrinking Violet; Sun Boy]; Rond Vidar; Universo; Dr. Vanaar; Dr. Kyrlu; Anton Halkor; S. T. A. R. Labs; The Spectre (cameo)