Gayle Marsh
From superman.nu: Supermanica
Gayle Marsh
The secret identity of Psi, enemy of Supergirl. Gayle is a freshman at Chicago's Lake Shore University (DNAS No. 1, Nov 1982: "A Very Strange and Special Girl"; DNAS No. 2, Dec 1982: "Crisis over Chicago!"; DNAS No. 3, Jan 1983: "Decay Day!").