Psi

Psi is a DC character created by Paul Kupperberg and Carmine Infantino for The Daring New Adventures of Supergirl #1 (November 1982). Fictional character biography Pre-Crisis Her real name is Gayle Marsh. At the age of twelve, she developed psychic powers, primarily psychokinesis. After her parents died, she was raised by the scientist David Pendergast who was preparing to fight a new menace called "the Decay". In college, she took the alias of Psi and fought Supergirl several times, thinking that Supergirl was the Decay. The truth was that David Pendergast was an extension of her own fears. Realizing that the Decay was David and herself, she put a stop to Pendergast and herself. Post-Crisis Psi’s first appearance in the Post Crisis DC Universe was with the Suicide Squad. She had no memory of her real name or history, as an unknown event "has nearly shattered her psyche".